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Haizler-Cohen L, Saeed H, Quiett V, Kaur G, Tefera EA, Gizaw S, Verstraete R, Auerbach M, Hazen N. Utility of Reticulocyte Hemoglobin Equivalent in Screening for Iron Deficiency in Pregnancy. Am J Perinatol 2025; 42:834-841. [PMID: 39317214 DOI: 10.1055/a-2419-9404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/26/2024]
Abstract
Ferritin, commonly used for diagnosing iron deficiency (ID) in pregnancy, is limited by high cost and false elevations during inflammation. Reticulocyte hemoglobin equivalent (Ret-He), an alternative marker for ID, is unaffected by inflammation and analyzed on the same collection tube as the standard complete blood count (CBC). We aimed to determine the accuracy of Ret-He in detecting ID in pregnancy compared to ferritin in a U.S. cohort.This prospective cohort study enrolled 200 pregnant participants, recruited in any trimester if a CBC was drawn as part of routine prenatal care. For those who agreed to participate, Ret-He and ferritin were collected concurrently with the CBC. ID was defined as ferritin level below 30 ng/mL. Patients were classified into three groups based on hemoglobin and ferritin results to determine the severity of ID: no ID, ID alone, and ID anemia (IDA). Four participants with anemia but normal ferritin were excluded. Receiver operating curve analysis, including the area under the curve (AUC), was performed to assess the accuracy of Ret-He in detecting ID. A one-way ANOVA (analysis of variance) with post-hoc analysis was used to compare differences in Ret-He between the three groups of ID severity.The prevalence of ID in our cohort was 82% (161/196). The AUC for Ret-He was 0.65 (95% confidence interval: 0.55-0.75), indicating suboptimal discrimination between patients with and without ID. Ret-He was significantly different among the three groups (p < 0.001). In post-hoc analysis, Ret-He was significantly lower in the IDA group compared to the ID group (p < 0.001) but there was only a trend of lower Ret-He in the ID group compared to the non-ID group (p = 0.38).Ret-He has low accuracy in diagnosing ID in pregnancy. It may be useful in detecting severe ID resulting in anemia but not a mild iron-deficient state resulting in ID only. · The prevalence of ID in our cohort was 82%.. · Ret-He has low accuracy in diagnosing ID in pregnancy.. · Ferritin is preferable when readily available..
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Affiliation(s)
- Lylach Haizler-Cohen
- Department of Obstetrics and Gynecology, MedStar Washington Hospital Center, Washington, District of Columbia
| | - Haleema Saeed
- Department of Obstetrics and Gynecology, MedStar Washington Hospital Center, Washington, District of Columbia
| | - Valencia Quiett
- Bloodless Medicine and Surgery Program, MedStar Georgetown University Hospital, Washington, District of Columbia
| | - Gurpinder Kaur
- Department of Obstetrics and Gynecology, MedStar Washington Hospital Center, Washington, District of Columbia
| | - Eshetu A Tefera
- Department of Biostatistics, MedStar Health Research Institute, Hyattsville, Maryland
| | - Samrawit Gizaw
- Department of Biostatistics, MedStar Health Research Institute, Hyattsville, Maryland
| | - Richard Verstraete
- Bloodless Medicine and Surgery Program, MedStar Georgetown University Hospital, Washington, District of Columbia
| | - Michael Auerbach
- Department of Medicine, Georgetown University School of Medicine, Washington, District of Columbia
| | - Nicholas Hazen
- Department of Obstetrics and Gynecology, MedStar Georgetown University Hospital, Washington, District of Columbia
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Wada-Hiraike O, Maruyama A, Mitobe Y, Iriyama T, Mori-Uchino M, Osuga Y. A Multicenter Single-Arm Study of Switching to Ferric Citrate Hydrate for Iron Deficiency Anemia in Patients Intolerant to Oral Iron: RIO-SWITCH. Adv Ther 2025; 42:2150-2167. [PMID: 40053213 PMCID: PMC12006243 DOI: 10.1007/s12325-025-03123-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2024] [Accepted: 01/20/2025] [Indexed: 04/18/2025]
Abstract
INTRODUCTION Treatment interruptions due to adverse drug reactions (ADRs) are common in iron deficiency anemia (IDA). We evaluated medication completion rates and quality of life (QoL) changes in patients with IDA after starting ferric citrate hydrate (FCH) treatment. METHODS This multicenter, open-label, uncontrolled, single-arm comparative study included 30 Japanese female patients with IDA who experienced nausea and/or vomiting (N/V) with previous oral iron preparations. Patients received FCH 500 mg orally daily (< 1000 mg/day). Those with hemoglobin levels ≥ 11.0 g/dl completed the study at week 4; others continued until week 8. The primary endpoint was medication completion rate. Secondary endpoints included medication compliance rate, treatment satisfaction scores, and QoL scores and changes. RESULTS Thirty patients initiated and completed treatment; 24 reached ≥ 11.0 g/dl hemoglobin at week 4 and ended treatment, while 6 continued until week 8. The medication compliance rate was 93.92% ± 8.11% (mean ± standard deviation [SD]), and the completion rate was 100.0% (95% confidence interval 88.4-100.0%). Questionnaire findings revealed that the most severe nausea score decreased from 5.7 ± 2.4 to 1.7 ± 2.1 (mean ± SD), N/V incidence decreased from 100.0 to 63.3%, and patients reporting that N/V did not interfere with daily life increased from 6.7 to 52.6% following the switch to FCH. Twenty-four patients (80.0%) reported a satisfactory experience with FCH versus their previous oral iron preparation. Scores for all eight subscales of the Short-Form 36-Item Health Survey v2 improved, with significant increases in six. Nine ADR events occurred in six patients (20.0%), including nausea in three (10.0%); none were serious or resulted in treatment discontinuation. CONCLUSION FCH treatment exhibited a satisfactory medication completion rate in patients with IDA. Switching to FCH reduced N/V incidence and improved N/V and QoL severity compared with previous oral iron preparations. TRIAL REGISTRATION jRCTs031210634. Registration date: March 01, 2022.
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Affiliation(s)
- Osamu Wada-Hiraike
- Department of Obstetrics and Gynecology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Aya Maruyama
- Medical Affairs Department, Torii Pharmaceutical Co., Ltd., 3-4-1 Nihonbashi-Honcho, Chuo-ku, Tokyo, 103-8439, Japan
| | - Yuko Mitobe
- Medical Affairs Department, Torii Pharmaceutical Co., Ltd., 3-4-1 Nihonbashi-Honcho, Chuo-ku, Tokyo, 103-8439, Japan.
| | - Takayuki Iriyama
- Department of Obstetrics and Gynecology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Mayuyo Mori-Uchino
- Department of Obstetrics and Gynecology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Yutaka Osuga
- Department of Obstetrics and Gynecology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
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Sharif N, Neyazi A, Khatib MN, Baldaniya L, Ballal S, Kavita V, Maharana L, Arya R, Bushi G, Shabil M, Syed R, Gupta M, Kumar S, Ansar S, Sah S, Jena D, Satapathy P. Anemia in Asian children: trends in the prevalence, etiology and analysis of geographic inequalities. World J Pediatr 2025:10.1007/s12519-025-00897-4. [PMID: 40257723 DOI: 10.1007/s12519-025-00897-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2024] [Revised: 03/12/2025] [Accepted: 03/12/2025] [Indexed: 04/22/2025]
Abstract
BACKGROUND Pediatric anemia is a pervasive public health issue in Asia, significantly impairing children's growth, cognitive development, and future potential. This study evaluates trends, prevalence, and socio-economic disparities of pediatric anemia across Asia from 1990 to 2021, leveraging data from the Global Burden of Disease Study (GBD) 2021 study. METHODS Using estimated annual percentage change (EAPC) and Pearson's correlation coefficient, geographic variations and temporal trends were analysed alongside associations between prevalence, years lived with disability (YLDs), and Socio-demographic index (SDI). RESULTS The study reveals a modest overall decline in anemia prevalence by 11.9%, from 464.53 million cases in 1990 to 409.07 million in 2021. High-SDI regions such as East Asia achieved significant reductions (- 71.36%), with countries like Singapore, the Republic of Korea, Seychelles, Qatar, and the United Arab Emirates (UAE) showing substantial progress. In stark contrast, low-SDI countries, including Yemen (108.34%) and Afghanistan (130.28%), along with Cambodia, India, and Pakistan, experienced alarming increases. Dietary iron deficiency was the dominant cause, followed by hemoglobinopathies and neglected tropical diseases. Females, particularly adolescents, and children under five faced disproportionate burdens, with prevalence rates in low-SDI regions exceeding 47,000 per 100,000 compared to < 10,000 per 100,000 in high-SDI areas. CONCLUSIONS These findings emphasize profound regional and socio-economic inequalities in anemia burden. Urgent, evidence-based interventions are imperative, focusing on enhancing nutrition, expanding healthcare access, and integrating sex-sensitive strategies to address this multifaceted issue. Strengthened policies and targeted actions are critical to mitigating the burden and fostering health equity, particularly in vulnerable low-SDI regions.
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Affiliation(s)
- Nowaj Sharif
- University Center for Research and Development, Chandigarh University, Mohali, Punjab, India
- Faculty of Data Science and Information Technology, INTI International University, Nilai, Malaysia
| | - Ahmad Neyazi
- Afghanistan Center for Epidemiological Studies, Herat, Afghanistan.
- Faculty of Medicine, Kabul University of Medical Sciences, Kabul, Afghanistan.
- Scientific Research Committee, Afghanistan Medical Students Association, Herat, Afghanistan.
| | - Mahalaqua Nazli Khatib
- Division of Evidence Synthesis, Global Consortium of Public Health and Research, Datta Meghe Institute of Higher Education, Wardha, India.
| | - Lalji Baldaniya
- Department of Pharmaceutical Sciences, Faculty of Health Sciences, Marwadi University Research Center, Marwadi University, Rajkot, Gujarat, 360003, India
| | - Suhas Ballal
- Department of Chemistry and Biochemistry, School of Sciences, JAIN (Deemed to Be University), Bangalore, Karnataka, India
| | - V Kavita
- Department of Chemistry, Sathyabama Institute of Science and Technology, Chennai, Tamil Nadu, India
| | - Laxmidhar Maharana
- Department of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to Be University), Bhubaneswar, Odisha, 751030, India
| | - Renu Arya
- Department of Pharmacy, Chandigarh Pharmacy College, Chandigarh Group of Colleges-Jhanjeri, Mohali, Punjab, 140307, India
| | - Ganesh Bushi
- Chitkara Centre for Research and Development, Chitkara University Institute of Engineering and Technology, Chitkara University, Baddi, Himachal Pradesh, 174103, India
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, India
| | - Muhammed Shabil
- Noida Institute of Engineering and Technology (Pharmacy Institute), Greater Noida, India
- Medical Laboratories Techniques Department, AL-Mustaqbal University, 51001, Hillah, Babil, Iraq
| | - Rukshar Syed
- IES Institute of Pharmacy, IES University, Bhopal, Madhya Pradesh, 462044, India
| | - Manika Gupta
- New Delhi Institute of Management, Tughlakabad Institutional Area, New Delhi, India
| | - Sunil Kumar
- Department of Microbiology, Graphic Era (Deemed to Be University), Clement Town, Dehradun-248002, India
- Graphic Era Hill University, Clement Town, Dehradun, India
| | - Sabah Ansar
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, 11433, Riyadh, Saudi Arabia
| | - Sanjit Sah
- Department of Paediatrics, Dr. D. Y. Patil Medical College Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth (Deemed-to-Be-University), Pimpri, 411018, Maharashtra, India
- Department of Public Health Dentistry, Dr. D. Y. Patil Medical College Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth (Deemed-to-Be-University), Pimpri, 411018, Maharashtra, India
- Department of Medicine, Korea Universtiy, Seoul, South Korea
| | - Diptismita Jena
- Centre Centre for Research Impact and Outcome, Chitkara University Institute of Engineering and Technology, Chitkara University, Rajpura, 140401, Punjab, India
- Division of Research and Innovation, Uttaranchal University, Dehradun, India
| | - Prakasini Satapathy
- Center for Global Health Research, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India.
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Fernandez H, Lasocki S, Capdevila X, Chapron C. Perioperative iron deficiency and anaemia in scheduled gynaecological surgery: An update based on findings from the PERIOPES and CARENFER studies: Iron deficiency in gynaecological surgery. J Gynecol Obstet Hum Reprod 2025:102960. [PMID: 40254134 DOI: 10.1016/j.jogoh.2025.102960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2025] [Revised: 04/05/2025] [Accepted: 04/14/2025] [Indexed: 04/22/2025]
Abstract
Major gynaecological surgery is a significant risk factor for intra and postoperative blood loss. Effective iron deficiency (ID) and anaemia management is critical for ensuring patient safety. The aim of this update, was to take an in-depth look at two recently published studies focusing on the assessment and management of ID and anaemia in subgroups of patients undergoing gynaecological surgery from the CARENFER PBM (2023) and PERIOPES (2023 and 2024) studies. Among the 6999 patients included in the three studies, 354 involved gynaecological procedures. Within this cohort, the prevalence of preoperative ID ranged from 70% to 78%, with 88% considered absolute ID, while preoperative anaemia affected 28% to 59% of women. Indeed, several gynaecological conditions that require surgery (e.g., uterine fibroids and gynaecological malignancies) are frequently associated with significant blood loss. Nonetheless, pre-operative iron workup was only performed in 5% to 33% of the patients. Furthermore, anaemia and/or ID were only treated in 12.5%-24% pre-operatively and 25% postoperatively. In conclusion, there seems to be a need to optimise peri-operative ID and anaemia management in gynaecologic surgery by ensuring systematic preoperative screening and treatment for anaemia and/or ID and, wherever feasible, postponing surgery if restoration of the blood mass and iron stores is considered necessary prior to surgery.
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Affiliation(s)
- H Fernandez
- Université Paris-Saclay, 63 rue Gabriel Peri 94270 Le Kremlin Bicêtre, France.
| | - S Lasocki
- Département Anaesthesia Réanimation, CHU Angers, Angers, France
| | - X Capdevila
- Department of Anaesthesia and Critical Care Medicine, Lapeyronie University Hospital and Montpellier University, Montpellier, France
| | - C Chapron
- Université Paris-Cité, Faculté de Santé, Faculté de Médecine, Paris, France; Assistance Publique - Hôpitaux de Paris (APHP), Hôpital Universitaire Paris Centre (HUPC), CHU Cochin Port-Royal, Département de Gynécologie Obstétrique II et Médecine de la Reproduction, Paris France; Département «Infection, Immunité, Inflammation», Institut Cochin, INSERM U1016, Paris, France
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5
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Lahtiharju T, Savola P, Lempiäinen A, Helin T, Joutsi-Korhonen L. Ferritin outperforms other biomarkers in predicting bone marrow iron stores in patients with hematologic disorders. Blood Adv 2025; 9:1608-1617. [PMID: 39841943 PMCID: PMC11986213 DOI: 10.1182/bloodadvances.2024014283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 12/05/2024] [Accepted: 01/03/2025] [Indexed: 01/24/2025] Open
Abstract
ABSTRACT Although iron-deficiency anemia is common, interpreting iron laboratory test results can be challenging in patients with comorbidities. We aimed to study the accuracy of common iron biomarkers compared with bone marrow iron staining in a large retrospective data set of patients with hematologic disorders. We collected from 6610 patients (median age, 66 years) results of iron staining, with their concurrent ferritin, transferrin saturation, soluble transferrin receptor, transferrin, hemoglobin, and mean red blood cell volume results from Helsinki University Hospital electronic health records. In receiver operating characteristics analysis, ferritin had the highest area under the curve (AUC) with 88% (95% confidence interval [CI], 86-90) for females and 89% (95% CI, 87-91) for males in predicting reduced bone marrow iron. Using a ferritin cutoff of 30 μg/L resulted in high specificity rates of 97% in females and 99% in males. However, sensitivity rates were only 54% and 35%, respectively. Other studied biomarkers had inferior AUCs. Multivariate logistic regression models did not significantly perform better in prediction than ferritin alone. With 50% preprobability for reduced iron stores, a ferritin of 30 μg/L (females) and 51 μg/L (males) had a 95% positive predictive value for reduced iron stores. A 95% negative predictive value was achieved at 1750 μg/L (females) and 4967 μg/L (males). In our large population study, ferritin was the best single biomarker for iron deficiency in secondary care. Adding other blood tests in a multivariate model did not improve performance. However, in these patients with hematologic disorders, even a high ferritin did not rule out iron deficiency with 95% certainty.
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Affiliation(s)
- Tapio Lahtiharju
- Department of Clinical Chemistry and Hematology, Diagnostic Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Paula Savola
- Department of Clinical Chemistry and Hematology, Diagnostic Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Anna Lempiäinen
- Department of Clinical Chemistry and Hematology, Diagnostic Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Tuukka Helin
- Department of Clinical Chemistry and Hematology, Diagnostic Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Lotta Joutsi-Korhonen
- Department of Clinical Chemistry and Hematology, Diagnostic Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
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Duan Y, Xu Y, Wei Y, Liu T, Xu T, Liu Q. Bilateral segmental testicular infarction secondary to iron deficiency anemia: a case report. BMC Urol 2025; 25:70. [PMID: 40176024 PMCID: PMC11963300 DOI: 10.1186/s12894-025-01756-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2025] [Accepted: 03/21/2025] [Indexed: 04/04/2025] Open
Abstract
Segmental testicular infarction (STI) is an idiopathic testicular disease with a low incidence. Accurately diagnosing and treating this disease presents a challenge for clinicians. Iron deficiency anemia (IDA) is a relatively common blood disorder and is generally accompanied by thrombocytosis, which increases the risk of thrombosis. In the present study, we report a 38-year-old man who suffered from a rare bilateral STI, which may be related to IDA. After conservative treatment and timely administration of iron supplementation, we observed an improvement in the patient's IDA and bilateral STI. Ultrasound, magnetic resonance imaging, and laboratory tests helped us to accurately diagnose the disease and avoid unnecessary surgery. Following a month of follow-up, continuous ultrasound monitoring showed that the patient's lesions had completely disappeared, with no indications of recurrence. Therefore, ultrasound is a useful tool for the diagnosis and continuous monitoring of this type of disease.
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Affiliation(s)
- Yun Duan
- Department of Ultrasound, Affiliated Hospital of Hubei University of Chinese Medicine (Hubei Provincial Hospital of Traditional Chinese Medicine), Yinchuan, China
| | - Yadi Xu
- Department of Ultrasound, Affiliated Hospital of Hubei University of Chinese Medicine (Hubei Provincial Hospital of Traditional Chinese Medicine), Yinchuan, China
| | - Yan Wei
- Department of Ultrasound, Affiliated Hospital of Hubei University of Chinese Medicine (Hubei Provincial Hospital of Traditional Chinese Medicine), Yinchuan, China
| | - Tingting Liu
- Department of Maternal Health Care, Affiliated Hospital of Huazhong University of Science and Technology Tongji Medical College (Maternal and Child Health Hospital of Hubei Province), Wuhan, China
| | - Ting Xu
- Department of Ultrasound, Affiliated Hospital of Hubei University of Chinese Medicine (Hubei Provincial Hospital of Traditional Chinese Medicine), Yinchuan, China
| | - Qi Liu
- Department of Andrology, Ningxia Chinese medicine Research Center, NO. 114 Beijing west Road, Xixia district, Yinchuan, Ningxia, China.
- Department of Urology Surgery, Affiliated Hospital of Hubei University of Chinese Medicine, Hubei Provincial Hospital of Traditional Chinese Medicine), Yinchuan, China.
- Department of Andrology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China.
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7
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Wu YH, Yu-Fong Chang J, Lee YP, Wang YP, Sun A, Chiang CP. Anemia, hematinic deficiencies, hyperhomocysteinemia, and serum gastric parietal cell antibody positivity in oral lichen planus patients with vitamin B12 deficiency. J Dent Sci 2025; 20:1102-1109. [PMID: 40224072 PMCID: PMC11993082 DOI: 10.1016/j.jds.2025.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2025] [Indexed: 04/15/2025] Open
Abstract
Background/purpose Our previous study found that 60 of 588 oral lichen planus (OLP) patients have vitamin B12 deficiency. This study assessed whether the vitamin B12-deficient OLP (B12D/OLP) patients had significantly higher frequencies of anemia, hematinic deficiencies, hyperhomocysteinemia, and serum gastric parietal cell antibody (GPCA) positivity than healthy control subjects and evaluated whether all B12D/OLP patients had pernicious anemia (PA). Materials and methods The blood hemoglobin (Hb) and serum iron, vitamin B12, folic acid, homocysteine, and GPCA levels in 60 B12D/OLP patients and 588 healthy control subjects were measured and compared. Results We found that 60 B12D/OLP patients had significantly lower mean blood Hb and serum iron, vitamin B12, and folic acid levels as well as significantly higher mean corpuscular volume (MCV) and mean serum homocysteine level than 588 healthy control subjects (all P-values <0.01). Moreover, 60 B12D/OLP patients had significantly higher frequencies of macrocytosis (55.0 %), blood Hb (68.3 %) and serum iron (31.7 %) and vitamin B12 (100.0 %) deficiencies, hyperhomocysteinemia (91.7 %), and serum GPCA positivity (66.7 %) than 588 healthy control subjects (all P-values <0.001). The four most common types of anemia in 41 anemic B12D/OLP patients were PA (17 patients, 41.5 %), normocytic anemia (12 patients, 29.3 %), iron deficiency anemia (6 patients, 14.6 %), and macrocytic anemia other than PA (5 patients, 12.2 %). Conclusion The B12D/OLP patients have significantly higher frequencies of macrocytosis, blood Hb and serum iron and vitamin B12 deficiencies, hyperhomocysteinemia, and serum GPCA positivity than healthy control subjects. Only 17 (28.3 %) of 60 B12D/OLP patients have PA.
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Affiliation(s)
- Yu-Hsueh Wu
- Department of Stomatology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Institute of Oral Medicine, School of Dentistry, National Cheng Kung University, Tainan, Taiwan
| | - Julia Yu-Fong Chang
- Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan
| | - Yi-Pang Lee
- Department of Dentistry, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- Institute of Oral Medicine and Materials, College of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Yi-Ping Wang
- Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan
| | - Andy Sun
- Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan
| | - Chun-Pin Chiang
- Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan
- Department of Dentistry, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- Institute of Oral Medicine and Materials, College of Medicine, Tzu Chi University, Hualien, Taiwan
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Chang JYF, Wu YH, Lee YP, Wang YP, Sun A, Chiang CP. Anemia, hematinic deficiencies, hyperhomocysteinemia, and gastric parietal cell antibody positivity in oral lichen planus patients with iron deficiency. J Dent Sci 2025; 20:1078-1085. [PMID: 40224068 PMCID: PMC11993001 DOI: 10.1016/j.jds.2024.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2024] [Revised: 12/09/2024] [Indexed: 01/06/2025] Open
Abstract
Background/purpose Our previous study found that 99 of 588 oral lichen planus (OLP) patients have iron deficiency (ID). This study assessed whether all OLP patients with ID (so-called ID/OLP patients) had iron deficiency anemia (IDA) and evaluated whether the ID/OLP patients had significantly higher frequencies of anemia, hematinic deficiencies, hyperhomocysteinemia, and serum gastric parietal cell antibody (GPCA) positivity than healthy control subjects. Materials and methods The blood hemoglobin (Hb) and serum iron, vitamin B12, folic acid, homocysteine, and GPCA levels in 99 ID/OLP patients and 588 healthy control subjects were measured and compared. Results We found that 99 ID/OLP patients had significantly lower mean blood Hb and serum iron, vitamin B12, folic acid levels as well as significantly higher mean serum homocysteine level than 588 healthy control subjects (all P-values <0.001). Moreover, 99 ID/OLP patients had significantly higher frequencies of blood Hb (64.7 %) and serum vitamin B12 (19.2 %), and folic acid (2.0 %) deficiencies, hyperhomocysteinemia (34.3 %), and serum GPCA positivity (33.3 %) than 588 healthy control subjects (all P-values <0.05). Furthermore, of 64 anemic ID/OLP patients, 2 (3.1 %) had pernicious anemia, 30 (46.9 %) had normocytic anemia, and 32 (50.0 %) had IDA. Conclusion ID/OLP patients have significantly higher frequencies of blood Hb and serum vitamin B12 and folic acid deficiencies, hyperhomocysteinemia, and serum GPCA positivity than healthy control subjects. Although the IDA (50.0 %) is the most common type of anemia in our 64 anemic ID/OLP patients, there are still 46.9 % of the 64 anemic ID/OLP patients who had the normocytic anemia.
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Affiliation(s)
- Julia Yu-Fong Chang
- Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan
| | - Yu-Hsueh Wu
- Department of Stomatology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Institute of Oral Medicine, School of Dentistry, National Cheng Kung University, Tainan, Taiwan
| | - Yi-Pang Lee
- Department of Dentistry, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- Institute of Oral Medicine and Materials, College of Medicine, Tzu Chi University, Hualien, Taiwan
| | - Yi-Ping Wang
- Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan
| | - Andy Sun
- Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan
| | - Chun-Pin Chiang
- Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan
- Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan
- Department of Dentistry, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan
- Institute of Oral Medicine and Materials, College of Medicine, Tzu Chi University, Hualien, Taiwan
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Momoeda M, Ito K, Inoue S, Shibahara H, Mitobe Y, Komatsu N. Cost-effectiveness of ferric citrate hydrate in patients with iron deficiency anemia. Int J Hematol 2025; 121:467-475. [PMID: 39724235 PMCID: PMC11923001 DOI: 10.1007/s12185-024-03905-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 12/08/2024] [Accepted: 12/15/2024] [Indexed: 12/28/2024]
Abstract
We investigated the cost-effectiveness of treating iron deficiency anemia (IDA) with ferric citrate hydrate (FC) in Japan. We employed four treatment strategies: switching from sodium ferrous citrate (SF) to FC at (1) 500 mg (approximately 120 mg of iron) per day or (2) 1000 mg (approximately 240 mg of iron) per day in patients with SF-induced nausea/vomiting, or starting treatment with FC at (3) 500 mg/day or (4) 1000 mg/day. We evaluated the cost-effectiveness of these strategies compared with SF 100 mg (100 mg of iron) per day. Incremental effects over 26 weeks relative to SF 100 mg were 0.0052 quality-adjusted life years (QALYs) for (1) and (2), and 0.0044 QALYs for (3) and (4). From the payer's perspective, incremental cost-effectiveness ratios (ICERs: JPY/QALY) against SF 100 mg were: (1) 1,107,780, (2) 2,257,477, (3) 5,588,430, and (4) 11,544,816. All four FC strategies were dominant (less costly and more effective) from a limited societal perspective. Treatment with FC for IDA was cost-effective (ICER ≤ JPY 5,000,000/QALY) when switching strategies from the payer perspective, and cost-saving (all FC strategies) from limited societal perspectives. Individual patients' characteristics and cost-effectiveness should be considered in treatment selection.
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Affiliation(s)
- Mikio Momoeda
- Aiiku Maternal and Child Health Center, Aiiku Hospital, 1-16-10 Shibaura, Minato-Ku, Tokyo, 105-8321, Japan
| | - Kyoko Ito
- Medical Affairs Department, Torii Pharmaceutical Co., Ltd., 3-4-1 Nihonbashi-Honcho, Chuo-Ku, Tokyo, 103-8439, Japan
| | - Sachie Inoue
- CRECON Medical Assessment Inc., The Pharmaceutical Society of Japan, Nagai Memorial Hall 2-12-15, Shibuya, Shibuya-Ku, Tokyo, 150-0002, Japan
| | - Hidetoshi Shibahara
- CRECON Medical Assessment Inc., The Pharmaceutical Society of Japan, Nagai Memorial Hall 2-12-15, Shibuya, Shibuya-Ku, Tokyo, 150-0002, Japan
| | - Yuko Mitobe
- Medical Affairs Department, Torii Pharmaceutical Co., Ltd., 3-4-1 Nihonbashi-Honcho, Chuo-Ku, Tokyo, 103-8439, Japan.
| | - Norio Komatsu
- Department of Hematology, Juntendo University Graduate School of Medicine, 2-1-1, Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
- Department of Advanced Hematology, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-Ku, Tokyo, 113-8421, Japan
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10
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Chen Y, Ji X, Zhao W, Lin J, Xie S, Xu J, Mao J. A real-world study on the characteristics of autoimmune gastritis: A single-center retrospective cohort in China. Clin Res Hepatol Gastroenterol 2025; 49:102556. [PMID: 39961485 DOI: 10.1016/j.clinre.2025.102556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2024] [Revised: 02/05/2025] [Accepted: 02/15/2025] [Indexed: 02/22/2025]
Abstract
BACKGROUND AND AIM Autoimmune gastritis (AIG) was previously considered a rare disease in China, and its clinical characteristics were not fully understood. This study aimed to demonstrate the characteristics of AIG in China and evaluate gastric oxyntic mucosal atrophy using a modified AIG-atrophic staging. METHODS This was a single-center retrospective observational real-world study. The diagnosis of AIG was based on pathological results combined with parietal cell antibody (PCA) and intrinsic factor antibody (IFA) results, and endoscopic findings. RESULTS A total of 745 patients were enrolled, the median age at diagnosis was 58 years old, and 69.9 % were female. The symptoms of AIG patients were nonspecific, and about 2/5 of the cases were asymptomatic. The proportions of cases from modified AIG-atrophic stage 1 to 4 were 0.8 %, 14.1 %, 73.8 %, and 11.3 %, respectively. Approximately 1/5 had autoimmune thyroiditis (AITD). Near 1/2 had one or more comorbidities: iron-deficiency anemia (IDA), pernicious anemia (PA), neuropathy, gastric hyperplastic polyps (GHP), gastric intraepithelial neoplasia (GIN), type 1 gastric neuroendocrine tumors (g-NET), or gastric adenocarcinoma (GAC). There was a high risk of type 1 g-NET (7.0 %) and GAC (9.1 %) in AIG patients. CONCLUSIONS AIG is not rare in China, and its early diagnosis is challenging, accompanied by a high risk of GAC. The modified four-stage AIG-atrophic staging can effectively represent the extent of oxyntic mucosal atrophy and the progression in AIG.
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Affiliation(s)
- Yu Chen
- Department of Gastroenterology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaowei Ji
- Department of Gastroenterology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Weiyi Zhao
- Department of Pathology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jie Lin
- Department of Gastroenterology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Siyuan Xie
- Department of Gastroenterology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jinghong Xu
- Department of Pathology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jianshan Mao
- Department of Gastroenterology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
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11
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Alsunaid A, Spencer S, Bhandari S. Intravenous iron in chronic kidney disease without anaemia but iron deficiency: A scoping review. World J Nephrol 2025; 14:101576. [PMID: 40134647 PMCID: PMC11755244 DOI: 10.5527/wjn.v14.i1.101576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2024] [Revised: 12/30/2024] [Accepted: 01/09/2025] [Indexed: 01/20/2025] Open
Abstract
Iron deficiency (ID) is a prevalent complication of chronic kidney disease (CKD), often managed reactively when associated with anaemia. This scoping review evaluates the evidence supporting intravenous (IV) iron therapy in non-anaemic individuals with CKD and ID, focusing on safety, efficacy, and emerging therapeutic implications. Current diagnostic markers, including serum ferritin, transferrin saturation, and reticulocyte haemoglobin content, are reviewed alongside their limitations in the context of inflammation and variability. The pathophysiology of ID in CKD is explored, highlighting the roles of hepcidin, hypoxia-inducible factor pathways, and uraemic toxins. Comparative studies reveal that IV iron offers a more rapid correction of iron stores, improved compliance, and fewer gastrointestinal side effects compared to oral iron. Evidence from trials such as "iron and heart" and "iron and muscle" suggests potential benefits of IV iron on functional capacity and fatigue, though findings were statistically non-significant. Insights from heart failure trials support the safety and efficacy of IV iron in improving quality of life and reducing hospitalizations, with newer formulations like ferric derisomaltose demonstrating favourable safety profiles. This review underscores the need for standardized screening protocols for ID in CKD, even in the absence of anaemia, to facilitate earlier intervention. Future research should prioritise robust outcome measures, larger sample sizes, and person-specific treatment strategies to optimise dosing and administration frequency. Tailored approaches to IV iron therapy have the potential to significantly improve functional outcomes, quality of life, and long-term health in people with CKD.
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Affiliation(s)
- Abdulrahman Alsunaid
- Department of Medical Science, Hull York Medical School, Kingston Upon Hull HU6 7RU, United Kingdom
| | - Sebastian Spencer
- Department of Medical Science, Hull York Medical School, Kingston Upon Hull HU6 7RU, United Kingdom
- Department of Medical Science, University of Hull, Kingston Upon Hull HU6 7RU, United Kingdom
- Department of Academic Renal, Hull University Teaching Hospitals NHS Trust, Kingston Upon Hull HU3 2JZ, United Kingdom
| | - Sunil Bhandari
- Department of Medical Science, Hull York Medical School, Kingston Upon Hull HU6 7RU, United Kingdom
- Department of Academic Renal, Hull University Teaching Hospitals NHS Trust, Kingston Upon Hull HU3 2JZ, United Kingdom
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12
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Lin ES, Dutson U, Jensen DM. Low Rates of Diagnosis and Treatment of Iron Deficiency Anemia After an Acute Severe Gastrointestinal Hemorrhage. Dig Dis Sci 2025:10.1007/s10620-025-08974-4. [PMID: 40119243 DOI: 10.1007/s10620-025-08974-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2024] [Accepted: 03/04/2025] [Indexed: 03/24/2025]
Abstract
BACKGROUND Few studies report about management of iron deficiency anemia after a severe, acute gastrointestinal bleed. Most include good risk patients with upper gastrointestinal bleeds and report only laboratory improvements but not clinical outcomes. AIMS To assess management of iron deficiency anemia and clinical outcomes of patients after a severe, acute gastrointestinal bleed from either upper or lower sources in an unselected group of patients. METHODS Retrospective analysis of adult patients hospitalized with severe gastrointestinal bleeding in two referral centers. They had endoscopic diagnoses of lesions including non-variceal upper, variceal, and lower sites (diverticulosis or other colon sources). Analyses were of rates of iron studies ordered and iron treatments up to 4 months post-discharge. Composite clinical outcomes were also assessed and analyzed. RESULTS For 337 patients studied, iron studies were ordered in only 50%. When tested, iron deficiency was diagnosed in 75% of anemias. Intravenous iron or oral iron was prescribed in only 7.1% and 26.7% of patients, respectively. By 4 months, 94% of patients treated with intravenous iron and 80% treated with oral iron achieved ≥ 2 g/dL increase in hemoglobin level. Patients with high rates of severe co-morbidities and severe anemia had poor clinical outcomes although most were not treated for IDA. CONCLUSIONS Despite significant anemia after a severe gastrointestinal bleed from common diagnoses, iron studies were not routinely ordered. Iron deficiency anemia was infrequently recognized or treated with iron therapies. Patients with severe co-morbidities and anemia after an acute gastrointestinal bleed had poor clinical outcomes.
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Affiliation(s)
- Elissa S Lin
- Vatche and Tamar Manoukian Division of Digestive Diseases Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
- VA GI Hemostasis Research Unit at West Los Angeles VA Medical Center, Los Angeles, CA, USA
| | - Usah Dutson
- VA GI Hemostasis Research Unit at West Los Angeles VA Medical Center, Los Angeles, CA, USA
| | - Dennis M Jensen
- Vatche and Tamar Manoukian Division of Digestive Diseases Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.
- VA GI Hemostasis Research Unit at West Los Angeles VA Medical Center, Los Angeles, CA, USA.
- Gastroenterology Division, Department of Medicine, VA Greater Los Angeles Healthcare System, Los Angeles, CA, USA.
- GI Hemostasis Research Unit, VA Greater Los Angeles Healthcare System, Building 115 Room 318, 11301 Wilshire Blvd., Los Angeles, CA, 90073, USA.
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13
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Papagiannaki M. Understanding and managing iron deficiency anaemia. Nurs Stand 2025; 40:61-66. [PMID: 39865761 DOI: 10.7748/ns.2025.e12430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/10/2024] [Indexed: 01/28/2025]
Abstract
Iron deficiency anaemia develops when there is not enough iron in the body to sustain normal red blood cell production. It is a major cause of morbidity worldwide and is linked to a range of comorbid conditions, including gastrointestinal cancer. In the UK, iron deficiency anaemia is the most common cause of anaemia identified in primary care and is estimated to affect 3% of men and 8% of women. Nurses can support the management of iron deficiency anaemia by identifying possible causes, ordering blood tests, advising on diet and iron supplementation, and referring patients for additional investigations as required. This article provides an overview of the pathophysiology, identification and diagnosis of iron deficiency anaemia, describes sources of dietary iron and factors influencing dietary iron absorption, and discusses patient management.
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Affiliation(s)
- Maria Papagiannaki
- programme leader BSc (Hons) Nutrition, Department of Natural Sciences, Faculty of Science and Technology, Middlesex University, London, England
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14
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Mandal AK, Parida S, Behera AK, Adhikary SP, Lukatkin AA, Lukatkin AS, Jena M. Seaweed in the Diet as a Source of Bioactive Metabolites and a Potential Natural Immunity Booster: A Comprehensive Review. Pharmaceuticals (Basel) 2025; 18:367. [PMID: 40143143 PMCID: PMC11945151 DOI: 10.3390/ph18030367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2024] [Revised: 02/15/2025] [Accepted: 02/19/2025] [Indexed: 03/28/2025] Open
Abstract
Seaweed plays an essential role in the survival of marine life, provides habitats and helps in nutrient recycling. It is rich in valuable nutritious compounds such as pigments, proteins, polysaccharides, minerals, vitamins, omega-rich oils, secondary metabolites, fibers and sterols. Pigments like fucoxanthin and astaxanthin and polysaccharides like laminarin, fucoidan, galactan and ulvan possess immune-modulatory and immune-enhancing properties. Moreover, they show antioxidative, antidiabetic, anticancer, anti-inflammatory, antiproliferative, anti-obesity, antimicrobial, anticoagulation and anti-aging properties and can prevent diseases such as Alzheimer's and Parkinson's and cardiovascular diseases. Though seaweed is frequently consumed by Eastern Asian countries like China, Japan, and Korea and has gained the attention of Western countries in recent years due to its nutritional properties, its consumption on a global scale is very limited because of a lack of awareness. Thus, to incorporate seaweed into the global diet and to make it familiar as a functional food, issues such as large-scale cultivation, processing, consumer acceptance and the development of seaweed-based food products need to be addressed. This review is intended to give a brief overview of the present status of seaweed, its nutritional value and its bioactive metabolites as functional foods for human health and diseases owing to its immunity-boosting potential. Further, seaweed as a source of sustainable food and its prospects along with its issues are discussed in this review.
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Affiliation(s)
- Amiya Kumar Mandal
- Algal Biotechnology and Molecular Systematic Laboratory, Post Graduate Department of Botany, Berhampur University, Bhanja Bihar, Berhampur 760007, Odisha, India; (A.K.M.); (S.P.); (A.K.B.)
| | - Sudhamayee Parida
- Algal Biotechnology and Molecular Systematic Laboratory, Post Graduate Department of Botany, Berhampur University, Bhanja Bihar, Berhampur 760007, Odisha, India; (A.K.M.); (S.P.); (A.K.B.)
| | - Akshaya Kumar Behera
- Algal Biotechnology and Molecular Systematic Laboratory, Post Graduate Department of Botany, Berhampur University, Bhanja Bihar, Berhampur 760007, Odisha, India; (A.K.M.); (S.P.); (A.K.B.)
| | - Siba Prasad Adhikary
- Department of Biotechnology, Institute of Science, Visva-Bharati, Santiniketan 731235, West Bengal, India;
| | - Andrey A. Lukatkin
- Department of Cytology, Histology and Embryology with Courses in Medical Biology and Molecular Cell Biology, N.P. Ogarev Mordovia State University, Bolshevistskaja Str., 68, Saransk 430005, Russia;
| | | | - Mrutyunjay Jena
- Algal Biotechnology and Molecular Systematic Laboratory, Post Graduate Department of Botany, Berhampur University, Bhanja Bihar, Berhampur 760007, Odisha, India; (A.K.M.); (S.P.); (A.K.B.)
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15
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Dugan C, Peeling P, Buissink P, MacLean B, Lim J, Jayasuriya P, Richards T. Effect of intravenous iron therapy on exercise performance, fatigue scores and mood states in iron-deficient recreationally active females of reproductive age: a double-blind, randomised control trial (IRONWOMAN Trial). Br J Sports Med 2025:bjsports-2024-108240. [PMID: 40032294 DOI: 10.1136/bjsports-2024-108240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/17/2025] [Indexed: 03/05/2025]
Abstract
OBJECTIVES Non-anaemic iron deficiency (IDNA) is highly prevalent in exercising females. Although iron therapy can be used to correct this issue, its impact on exercise performance is equivocal. Our aim was to assess the efficacy of intravenous iron therapy on exercise performance, fatigue, mood states, and quality of life in recreationally active IDNA females of reproductive age. METHODS Twenty-six recreationally active IDNA females were randomised to either an intravenous iron treatment (IRON) group or placebo (PLA). Prior to, 4 days and 4 weeks following intervention, participants completed a variety of assessments to determine changes in exercise performance, haemoglobin mass, blood iron status and haematology, fatigue levels, mood states and quality of life. RESULTS Intravenous iron therapy significantly improved serum ferritin, serum iron and transferrin saturation (p<0.05), with a highly variable individual response. No differences were observed between groups' peak oxygen consumption (V̇O2Peak), lactate threshold or haemoglobin mass. Running economy improved in IRON from baseline to 4 weeks (p<0.05), which was also different to PLA at 4 weeks (p<0.05). Fatigue scores improved in IRON but not PLA after 4 weeks (p<0.05). Mood states and quality of life remained unchanged in both groups over the trial. CONCLUSION In recreationally active IDNA females, intravenous iron therapy corrects iron status and improves both exercise economy and fatigue scores after 4 weeks. TRIAL REGISTRATION NUMBER ACTRN12620001357943.
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Affiliation(s)
- Cory Dugan
- School of Human Sciences, The University of Western Australia, Perth, Western Australia, Australia
| | - Peter Peeling
- School of Human Sciences, The University of Western Australia, Perth, Western Australia, Australia
| | - Paige Buissink
- Division of Surgery, The University of Western Australia, Perth, Western Australia, Australia
| | - Beth MacLean
- Division of Surgery, The University of Western Australia, Perth, Western Australia, Australia
| | - Jayne Lim
- Division of Surgery, The University of Western Australia, Perth, Western Australia, Australia
| | - Pradeep Jayasuriya
- Division of Surgery, The University of Western Australia, Perth, Western Australia, Australia
| | - Toby Richards
- School of Health, Sport & Bioscience, University of East London, London, England, UK
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16
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Harrabi MA, Fendri T, Chaari F, Ayed R, Mezghani I, Kallel C, Rebai H, Turki M, Ayadi F, Sahli S. Eight weeks of oral iron supplementation improves postural control in young women with iron deficiency anemia. Eur J Clin Nutr 2025; 79:156-160. [PMID: 39414981 DOI: 10.1038/s41430-024-01522-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 10/08/2024] [Accepted: 10/09/2024] [Indexed: 10/18/2024]
Abstract
OBJECTIVE This study aimed to explore the effect of 8-week oral supplementation on postural control in young women with iron deficiency anemia (IDA). METHODS This study involved 15 women with IDA who received 160 mg of elemental iron daily in the form of dried ferrous sulfate capsules (80 mg twice daily) taken in two divided doses for 8 weeks. The mean velocity of oscillations of the center of pressure (CoPv) was recorded to evaluate postural control pre- and post-supplementation. In addition, simple reaction time (SRT) and weight discrimination tests were performed to assess attentional capacity and proprioceptive acuity, respectively. RESULTS This study revealed significant increases (P < 0.001, mean difference = 1.83, 95% CI: -17.25; -9.42) in proprioceptive acuity values, as well as decreases in CoPv [firm (EO (P < 0.01, mean difference = 0.52, 95% CI: 0.69; 2.92), EC (P < 0.05, mean difference = 0.75, 95% CI: 0.24; 3.45)) and foam (EO (P < 0.001, mean difference = 0.64, 95% CI: 1.71; 4.44) ; EC (P < 0.001, mean difference = 1.04, 95% CI: 3.51; 7.97))] and SRT (P < 0.001, mean difference = 59.31, 95% CI: 103.02; 168.71) values post-supplementation compared to pre-supplementation. CONCLUSION This study showed significant improvements in postural control in young women with IDA after 8 weeks of oral iron supplementation. These improvements were probably related to the enhanced bioavailability of iron, which may have influenced neural processes inducing improvements in attention capacity and proprioceptive acuity.
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Affiliation(s)
- Mohamed Achraf Harrabi
- Research Laboratory Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, 3000, Sfax, Tunisia.
| | - Thouraya Fendri
- Sport, Physical Activity, Rehabilitation and Movement for Performance and Health (SAPRéM), Université d'Orléans, Orléans, France
- Complexity, Innovations, Motor and Sports Activities (CIAMS), Université d'Orléans, Orléans, France
| | - Fatma Chaari
- Laboratory 'Movement, Interactions, Performance', Faculty of Sciences and Technologies, Le Mans University, Le Mans, France
| | - Rahma Ayed
- Research Laboratory, Molecular Bases of Human Pathology, LR19ES13, Faculty of Medicine of Sfax, University of Sfax, Sfax, Tunisia
- Laboratory of Biochemistry, Habib Bourguiba University Hospital, University of Sfax, 3000, Sfax, Tunisia
| | - Ines Mezghani
- Research Laboratory, Molecular Bases of Human Pathology, LR19ES13, Faculty of Medicine of Sfax, University of Sfax, Sfax, Tunisia
- Laboratory of Biochemistry, Hedi Chaker University Hospital, University of Sfax, 3000, Sfax, Tunisia
| | - Choumous Kallel
- Laboratory of Hematology, Habib Bourguiba University Hospital, University of Sfax, Sfax, Tunisia
| | - Haithem Rebai
- Sports Performance Optimization (LR09SEP01), National Center of Medecine and Science in Sports (CNMSS), Tunis, Tunisia
| | - Mouna Turki
- Research Laboratory, Molecular Bases of Human Pathology, LR19ES13, Faculty of Medicine of Sfax, University of Sfax, Sfax, Tunisia
- Laboratory of Biochemistry, Hedi Chaker University Hospital, University of Sfax, 3000, Sfax, Tunisia
| | - Fatma Ayadi
- Research Laboratory, Molecular Bases of Human Pathology, LR19ES13, Faculty of Medicine of Sfax, University of Sfax, Sfax, Tunisia
- Laboratory of Biochemistry, Habib Bourguiba University Hospital, University of Sfax, 3000, Sfax, Tunisia
| | - Sonia Sahli
- Research Laboratory Education, Motricité, Sport et Santé, EM2S, LR19JS01, High Institute of Sport and Physical Education of Sfax, University of Sfax, 3000, Sfax, Tunisia
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Kotak K, Aggarwal K, Garg S, Gupta V, Anamika F, Jain R. Understanding the Interplay between Iron Deficiency and Congestive Heart Failure: A comprehensive review. Cardiol Rev 2025; 33:171-177. [PMID: 37643208 DOI: 10.1097/crd.0000000000000603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Iron is an essential micronutrient for abounding physiological processes in the body, and its deficiency can be caused by various factors, such as low iron intake due to economic difficulties or loss of appetite, decreased iron absorption due to gastrointestinal issues, or increased iron loss due to hemorrhages or proteinuria. Iron deficiency is a prevalent issue among heart failure (HF) patients and is a significant contributor to anemia, affecting 30-50% of patients regardless of their gender, ethnicity, or left ventricular ejection fraction. Individuals with HF have high levels of pro-inflammatory cytokines, which can inhibit erythropoiesis by degrading the membrane iron exporter ferroportin, mediated by an increased release of hepcidin. In addition, elevated sympathetic and renin-angiotensin-aldosterone system activity retains salt and water, resulting in high cardiac output HF in people with normal left ventricular function. This review provides an overview of iron deficiency and HF.
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Affiliation(s)
- Kopal Kotak
- From the Department of Internal Medicine, Pandit Dindayal Upadhyay Medical College, Gujarat, India
| | - Kanishk Aggarwal
- Department of Internal Medicine, Dayanand Medical College and Hospital, Punjab, India
| | - Shreya Garg
- Department of Internal Medicine, Dayanand Medical College and Hospital, Punjab, India
| | - Vasu Gupta
- Department of Internal Medicine, Dayanand Medical College and Hospital, Punjab, India
| | - Fnu Anamika
- Department of Internal Medicine, University College of Medical Sciences, New Delhi, India
| | - Rohit Jain
- Department of Internal Medicine, Penn State Milton S. Hershey Medical Center, PA
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18
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Alasvand Zarasvand S, Ogawa S, Nestor B, Bridges W, Haley-Zitlin V. Effects of Herbal Tea (Non-Camellia sinensis) on Glucose Homeostasis and Serum Lipids in Type 2 Diabetes Mellitus: A Systematic Review and Meta-Analysis. Nutr Rev 2025; 83:e1128-e1145. [PMID: 38894639 DOI: 10.1093/nutrit/nuae068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024] Open
Abstract
CONTEXT Hyperglycemia and hyperlipidemia increase the risk for diabetes and its complications, atherosclerosis, heart failure, and stroke. Identification of safe and cost-effective means to reduce risk factors is needed. Herbal teas may be a vehicle to deliver antioxidants and polyphenols for prevention of complications. OBJECTIVE This systematic review and meta-analysis were conducted to evaluate and summarize the impact of herbal tea (non-Camellia sinensis) on glucose homeostasis and serum lipids in individuals with type 2 diabetes (T2D). DATA SOURCES PubMed, FSTA, Web of Science, CINAHL, MEDLINE, and Cochrane Library databases were searched from inception through February 2023 using relevant keyword proxy terms for diabetes, serum lipids, and "non-Camellia sinensis" or "tea." DATA EXTRACTION Data from 14 randomized controlled trials, totaling 551 participants, were included in the meta-analysis of glycemic and serum lipid profile end points. RESULTS Meta-analysis suggested a significant association between drinking herbal tea (prepared with 2-20 g d-1 plant ingredients) and reduction in fasting blood glucose (FBG) (P = .0034) and glycated hemoglobin (HbA1c; P = .045). In subgroup analysis based on studies using water or placebo as the control, significant reductions were found in serum total cholesterol (TC; P = .024), low-density lipoprotein cholesterol (LDL-C; P = .037), and triglyceride (TG; P = .043) levels with a medium effect size. Meta-regression analysis suggested that study characteristics, including the ratio of male participants, trial duration, and region, were significant sources of FBG and HbA1c effect size heterogeneity; type of control intervention was a significant source of TC and LDL-C effect size heterogeneity. CONCLUSIONS Herbal tea consumption significantly affected glycemic profiles in individuals with T2D, lowering FBG levels and HbA1c. Significance was seen in improved lipid profiles (TC, TG, and LDL-C levels) through herbal tea treatments when water or placebo was the control. This suggests water or placebo may be a more suitable control when examining antidiabetic properties of beverages. Additional research is needed to corroborate these findings, given the limited number of studies.
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Affiliation(s)
- Sepideh Alasvand Zarasvand
- Department of Food, Nutrition, and Packaging Sciences, Clemson University, Clemson, SC 29634-0316, United States
| | - Shintaro Ogawa
- Department of Behavioral Medicine, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo 187-8553, Japan
| | - Bailey Nestor
- Department of Food, Nutrition, and Packaging Sciences, Clemson University, Clemson, SC 29634-0316, United States
| | - William Bridges
- Department of Mathematical and Statistical Sciences, Clemson University, Clemson, SC 29634, United States
| | - Vivian Haley-Zitlin
- Department of Food, Nutrition, and Packaging Sciences, Clemson University, Clemson, SC 29634-0316, United States
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19
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Revanna BN, Kamat V, Swamynayaka A, Harish KK, Venkatesha K, Madegowda M, Poojary B, Majani SS, Kollur SP. Chalcone-based Turn-Off Chemosensor for Selective and Susceptible Detection of Fe 2+ Ions: Spectroscopic and DFT Investigations. J Fluoresc 2025; 35:1781-1795. [PMID: 38457072 DOI: 10.1007/s10895-024-03646-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 02/26/2024] [Indexed: 03/09/2024]
Abstract
Herein, in this report we are introducing newly synthesized chalcone derivative, "(E)-1-phenyl-3-(4-((5-(((Z)-thiophen-2-ylmethylene)amino)-1,3,4-thiadiazol-2-yl)thio)phenyl)prop-2-en-1-one" (5), as a chemosensor to detect Fe2+ metal ions in HEPES buffer solution of pH 7.5. Spectroscopic techniques were used to confirm the synthesized sensor. To determine the chemical reactivity and molecular stability of the probe, a frontier molecular orbitals investigation was carried out. A molecular electrostatic potential map was investigated to know the binding site of 5 for metal ion coordination. The theoretical absorption and fluorescence emission properties were estimated and correlated with the experimental observations. The sensor showed excellent selectivity for Fe2+ compared to all other studied metal ions. The fluorescence binding studies were carried out by adding different amounts of Fe2+ ions for a fixed concentration of probe 5. The inclusion of Fe2+ ions resulted in a decrease in fluorescence intensity with a bathochromic shift of emission wavelength of 5 due to the 5-Fe2+ complexation. The binding affinity value for the probe was found to be 576.2 M-1 with the help of the Stern-Volmer plot. The Job's plot and mass spectra supported the 2:1 (5: Fe2+) stoichiometry of complex formation. The detection limit and limit of quantification of 5 for Fe2+ were calculated to be 4.79 × 10-5 M and 14.54 × 10-5 M. Further, in addition to this, the photophysical parameters such as fluorescence lifetime of 5 and 5-Fe2+ complex measured to be 0.1439 and 0.1574 ns. The quantum yield of 5 and 5-Fe2+ was found to be 0.0398 and 0.0376. All these experimental findings revealed that probe 5 has excellent selectivity and sensitivity for Fe2+ ions.
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Affiliation(s)
- Bhavya Nelligere Revanna
- Department of Physics, Vidyavardhaka College of Engineering, Mysuru, 570002, Karnataka, India
- Department of Studies in Physics, University of Mysore, Mysuru , Manasagangotri, 570006, Karnataka, India
| | - Vinuta Kamat
- Department of Chemistry, Mangalore University, Mangalagangothri, Mangalore, 574199, Karnataka, India
| | - Ananda Swamynayaka
- Department of Studies in Physics, University of Mysore, Mysuru , Manasagangotri, 570006, Karnataka, India
| | - Keshav Kumar Harish
- Department of Studies in Physics, University of Mysore, Mysuru , Manasagangotri, 570006, Karnataka, India
| | - Keerthikumara Venkatesha
- Department of Studies in Physics, University of Mysore, Mysuru , Manasagangotri, 570006, Karnataka, India
| | - Mahendra Madegowda
- Department of Studies in Physics, University of Mysore, Mysuru , Manasagangotri, 570006, Karnataka, India.
| | - Boja Poojary
- Department of Chemistry, Mangalore University, Mangalagangothri, Mangalore, 574199, Karnataka, India
| | - Sanjay S Majani
- School of Physical Sciences, Amrita Vishwa Vidyapeetham, Mysuru Campus, Mysuru, 570026, Karnataka, India
| | - Shiva Prasad Kollur
- School of Physical Sciences, Amrita Vishwa Vidyapeetham, Mysuru Campus, Mysuru, 570026, Karnataka, India
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20
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Sowe A, Wood E, Gautam SK. Maternal Anemia as a Predictor of Childhood Anemia: Evidence from Gambian Health Data. Nutrients 2025; 17:879. [PMID: 40077752 PMCID: PMC11901893 DOI: 10.3390/nu17050879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2025] [Revised: 02/26/2025] [Accepted: 02/26/2025] [Indexed: 03/14/2025] Open
Abstract
BACKGROUND Iron deficiency anemia (IDA) is a significant global health problem affecting close to 2 billion people worldwide. The prevalence of IDA is higher among children younger than five years and women of reproductive age, indicating an intergenerational correlation between maternal and child anemia. This study aims to analyze the association between maternal and child anemia in The Gambia. METHODS A nationally representative dataset comprising 3249 children under the age of five, obtained from The Gambia Demographic and Health Survey (2019-2020), was utilized for empirical analyses. Multivariate linear regression models were employed to assess the association between maternal and child anemia. The multivariate models were adjusted for various confounding variables, including birth order, age, and the gender of the child, as well as maternal education, religion, wealth quintiles, rural residence, and region-fixed effects. RESULTS Fifty-three percent of children and 52% of mothers are anemic. Children from poorer households show a higher rate of anemia compared to those from wealthier households. Maternal anemia was significantly associated with the anemia status of the children. Children born to anemic mothers were 13.5% more likely to be also anemic (p < 0.001). The correlation coefficient between mother and child hemoglobin levels is 0.165 (p < 0.001). The correlation coefficient between maternal and child anemia is higher among the bottom three wealth quintiles than the top two wealth quintiles. CONCLUSIONS The significant intergenerational association between maternal and child anemia status highlights the need for targeted, multi-pronged strategies to combat the adverse impacts of anemia. Maternal anemia, in general, appears to influence childhood anemia beyond just the pregnancy period. Shared socioeconomic environment, dietary patterns, and exposure to infections likely contribute to this intergenerational association.
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Affiliation(s)
- Alhagie Sowe
- Eck Institute for Global Health, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Elizabeth Wood
- Eck Institute for Global Health, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Santosh Kumar Gautam
- Keough School of Global Affairs, University of Notre Dame, Notre Dame, IN 46556, USA
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21
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Carrasco A, Navren M, Larsson I, Taube F, Björkman F. Systematic Review and Meta-Analysis: Iron Deficiency and Iron Deficiency Anemia Among Military Recruits Undergoing Basic Combat Training. Mil Med 2025; 190:541-553. [PMID: 39301668 DOI: 10.1093/milmed/usae437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 08/12/2024] [Accepted: 09/02/2024] [Indexed: 09/22/2024] Open
Abstract
INTRODUCTION The first period of military service consists of a physically and mentally challenging basic combat training (BCT) program. Factors like demanding physical exercise, limited recovery time, and restricted diet choice and food intake may challenge iron intake and homeostasis in recruits undergoing BCT. Iron-deficient individuals may experience reduced work capacity, fatigue, weakness, frequent infections, and increased injury risk. Limited knowledge is available on the extent of this potential health risk among military recruits. The aim of the present study was to systematically review published studies on the prevalence and change in prevalence of anemia, iron deficiency (ID), and ID anemia (IDA) among recruits undergoing BCT. MATERIALS AND METHODS Electronic searches were conducted in the databases Medline (Ovid), Embase (Embase.com), and Web of Science (Clarivate Analytics) from database inception up until April 16, 2024. Inclusion criteria were observational studies with both cross-sectional and observational longitudinal designs that examined the effects of BCT (intervention) on iron status (outcome) in military recruits (population). Extracted data were the number of participants (n), age, sex, country/population, BCT duration, and relevant measures of prevalence and changes in prevalence of anemia, ID, and IDA (primary outcome) and physical performance, mood state, stress fractures, attrition rate, and nutritional supplements (secondary outcomes). The study quality and risk of bias were assessed using the JBI Critical Appraisal Checklist for Studies Reporting Prevalence Data and The National Institutes of Health Quality Assessment Tool for Before-After (Pre-Post) Studies With No Control Group. Meta-analyses were performed using restricted maximum-likelihood models, and the effect size was calculated as Cohen's h with 95% CI. RESULTS Twenty-two articles were systematically reviewed (n = 111,764 men and 12,650 women), and six of these papers (n = 388 men and 773 women) were included in the meta-analysis. There was a varying prevalence of anemia, ID, and IDA among military recruits at the start of BCT. Results from meta-analyses showed negligible and nonsignificant effects of BCT on the prevalence of anemia, ID, and IDA. The quality of the included cross-sectional studies ranging from fair to good, whereas a large proportion of the included longitudinal studies were classified as poor. No sign of publication bias was found. CONCLUSIONS The prevalence of anemia, ID, and IDA in military recruits seems not to be affected by the completion of BCT shorter than 16 weeks, whereas the effects of longer BCT durations remain unclear. Even though body iron homeostasis seems unaffected, adequate energy and nutritional intake should remain a priority. Future research could focus on dietary interventions to determine the optimal diet among female recruits in specifically exposed populations.
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Affiliation(s)
- Anna Carrasco
- Department of Medicine, Center for Infectious Medicine, Karolinska Institute, Stockholm 171 77, Sweden
| | - Mats Navren
- Defence Health, Command and Control Regiment, Enkoping 749 40, Sweden
| | - Ingrid Larsson
- Department of Medicine, Sahlgrenska University Hospital, Gothenburg 413 41, Sweden
- Institute of Medicine, Sahlgrenska Academy, Gothenburg University, Gothenburg 405 30, Sweden
| | - Fabian Taube
- Research Centre for Disaster Medicine, Institute for Clinical Sciences, Sahlgrenska Academy, Gothenburg University, Gothenburg 405 30, Sweden
- Joint Centre for Defence Medicine, Swedish Armed Forces, Gothenburg 426 05, Sweden
| | - Frida Björkman
- Department of Physical Activity and Health, The Swedish School of Sport and Health Sciences, Stockholm 114 33, Sweden
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22
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Lei W, Liu Z, Lai HP, Fu R. Gut microbiota and risk of iron deficiency anemia: A two-sample Mendelian randomization study. Medicine (Baltimore) 2025; 104:e41617. [PMID: 39993092 PMCID: PMC11856941 DOI: 10.1097/md.0000000000041617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2024] [Revised: 01/31/2025] [Accepted: 02/03/2025] [Indexed: 02/26/2025] Open
Abstract
Previous studies have suggested a link between gut microbiota and iron-deficiency anemia (IDA). However, interpreting these findings is difficult due to various factors that influence microbiome composition and the limitations of observational studies, such as confounding variables and reverse causation. This study aims to explore the causal relationship between gut microbiota and IDA using Mendelian randomization (MR) to overcome these limitations. We conducted a 2-sample MR analysis using data from genome-wide association studies from the MiBioGen Consortium and the UK Biobank. The gut microbiome data included 211 genus-level microbes linked to single-nucleotide polymorphisms from 18,340 participants in the MiBioGen Consortium. The outcome data for IDA were obtained from 484,598 participants in the UK Biobank, with 2941 cases and 481,657 controls. We assessed causal relationships using various MR techniques, primarily inverse variance weighting, and performed sensitivity analyses to confirm the robustness of our results. Nine genus-level gut microbes were significantly associated with IDA (P < .05). Protective factors included Clostridia, Actinomycetaceae, Pasteurellaceae, Oscillospira, Prevotella, and Roseburia, while risk factors included Ruminococcus gnavus group, Hungatella, and Parasutterella. Sensitivity analyses showed the reliability of these findings without significant variability. This study provides evidence for a causal relationship between specific gut bacteria and IDA risk, identifying potential targets for therapies aimed at improving outcomes for those with IDA. Further research is needed to clarify the bacteria involved.
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Affiliation(s)
- Wenhui Lei
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, PR China
- Tianjin Institute of Hematology, Tianjin, China
- Department of Internal Medicine, Lishui Municipal Central Hospital, Lishui, Zhejiang Province, PR China
- Tianjin Key Laboratory of Bone Marrow Failure and Malignant Hemopoietic Clone Control, Tianjin, China
| | - Zhaoyun Liu
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, PR China
- Tianjin Institute of Hematology, Tianjin, China
- Tianjin Key Laboratory of Bone Marrow Failure and Malignant Hemopoietic Clone Control, Tianjin, China
| | - Hai-Ping Lai
- Department of Medicine, Ganzhou Tumor Hospital, Ganzhou, Jiangxi Province, PR China
| | - Rong Fu
- Department of Hematology, Tianjin Medical University General Hospital, Tianjin, PR China
- Tianjin Institute of Hematology, Tianjin, China
- Tianjin Key Laboratory of Bone Marrow Failure and Malignant Hemopoietic Clone Control, Tianjin, China
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23
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Rehman T, Agrawal R, Ahamed F, Das S, Mitra S, Kumar D, Sethy C, Kanungo S, Bhattacharya D, Pati S. Optimal dose and duration of iron supplementation for treating iron deficiency anaemia in children and adolescents: A systematic review and meta-analysis. PLoS One 2025; 20:e0319068. [PMID: 39951396 PMCID: PMC11828412 DOI: 10.1371/journal.pone.0319068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2024] [Accepted: 01/27/2025] [Indexed: 02/16/2025] Open
Abstract
INTRODUCTION Iron deficiency anaemia (IDA) accounts for nearly two-thirds of all anaemia cases globally. Despite the widespread use of iron supplementation, the optimal dose and duration for treating IDA remain unclear. In this study, we aimed to determine the most effective dose and duration of iron supplementation for improving haemoglobin (Hb) levels in children and adolescents (≤19 years) with IDA. METHODS A systematic review and meta-analysis were conducted. We searched MEDLINE, Embase, CINAHL, and the Cochrane Library for peer-reviewed studies published between 2013 and 2024. The interventions included iron supplementation with a defined dose and duration of at least 30 days. Comparators were placebo, no treatment, or alternative regimens. The outcome was the change in Hb levels. Eligible studies included IDA cases diagnosed through ferritin level measurements in healthy individuals. Studies involving pregnant women or children with underlying conditions were excluded. A meta-analysis was performed using standardized mean differences to pool effect sizes for Hb improvement with 95% confidence intervals (CIs). Subgroup analyses were performed for different treatment durations (<3 months, 3-6 months, >6 months) and dosage categories (<5 mg/kg/day, 5-10 mg/kg/day, >10 mg/kg/day). A random-effects meta-regression model was used to determine the optimal dose and duration, accounting for known covariates affecting Hb improvement. RESULTS A total of 28 studies with 8,829 participants from 16 countries were included. The pooled effect size for Hb improvement was 2.01 gm/dL (95% CI: 1.48-2.54, p < 0.001). Iron supplementation for less than 3 months showed the highest significant effect size (2.39 gm/dL, 95% CI: 0.72-4.07), followed by treatments exceeding 6 months (1.93 gm/dL, 95% CI: 0.09-3.77). The lowest effect size was observed in treatments lasting 3-6 months (1.58 gm/dL, 95% CI: 0.93-2.23). Low-dose iron supplementation (<5 mg/kg/day) demonstrated favourable trends in Hb improvement, particularly in individuals with lower baseline Hb levels. Oral ferrous sulphate had a significant effect (2.03 gm/dL, 95% CI: 1.24-2.82), while parenteral ferric Carboxymaltose showed consistent efficacy. CONCLUSION Low-dose iron supplementation (<5 mg/kg/day) combined with treatment durations of either less than 3 months or more than 6 months, is optimal for improving Hb levels in children and adolescents with IDA. Tailoring treatment based on baseline Hb levels and anaemia severity is essential. These findings provide evidence to support updated guidelines on iron supplementation in paediatric and adolescent populations and inform national anaemia management programmes. TRIAL REGISTRATION Prospero registration number: This study was registered with PROSPERO (CRD42024541773).
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Affiliation(s)
- Tanveer Rehman
- ICMR Regional Medical Research Centre, Bhubaneswar, Odisha, India
- Model Rural Health Research Unit, Namkum, Ranchi, Jharkhand, India
| | - Ritik Agrawal
- ICMR Regional Medical Research Centre, Bhubaneswar, Odisha, India
- Model Rural Health Research Unit, Namkum, Ranchi, Jharkhand, India
| | - Farhad Ahamed
- All India Institute of Medical Sciences, Kalyani, West Bengal, India
| | - Saibal Das
- ICMR-Centre for Ageing and Mental Health, Kolkata, India
- Department of Global Public Health, Karolinska Institute, Stockholm, Sweden
| | - Srijeeta Mitra
- ICMR Regional Medical Research Centre, Bhubaneswar, Odisha, India
- Model Rural Health Research Unit, Namkum, Ranchi, Jharkhand, India
| | - Dinesh Kumar
- ICMR Regional Medical Research Centre, Bhubaneswar, Odisha, India
- Model Rural Health Research Unit, Namkum, Ranchi, Jharkhand, India
| | - Chinmayee Sethy
- Indian Institute of Public Health, Gandhinagar, Gujarat, India
| | - Srikanta Kanungo
- ICMR Regional Medical Research Centre, Bhubaneswar, Odisha, India
| | | | - Sanghamitra Pati
- ICMR Regional Medical Research Centre, Bhubaneswar, Odisha, India
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24
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Qiu Y, Long Z, Long Z. Epidemiology of dietary iron deficiency in China from 1990 to 2021: findings from the global burden of disease study 2021. BMC Public Health 2025; 25:596. [PMID: 39948490 PMCID: PMC11823194 DOI: 10.1186/s12889-025-21665-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2024] [Accepted: 01/28/2025] [Indexed: 02/17/2025] Open
Abstract
OBJECTIVE To analyze the burden of dietary iron deficiency in China from 1990 to 2021. METHODS Using the results of the 2021 Global Burden of Disease (GBD 2021) study, this study analyzed the prevalence and disability adjusted life years (DALY) of dietary iron deficiency in China from 1990 to 2021. RESULTS In 2021, the prevalence number of dietary iron deficiency was 795,910,75 (76,187,661-82,382,158), which decreased by 40.86% compared to that in 1990. The number of DALY were 1,689,209 (1,119,315-2,445,991), which decreased by 47.15% compared to that in 1990. The age-standardized prevalence rate (ASPR) and age-standardized DALY rate (ASDR) of dietary iron deficiency showed a downward trend from 1990 to 2021 (P < 0.05). CONCLUSION From 1990 to 2021, the burden of dietary iron deficiency in China showed a downward trend, with the burden of females having a significantly higher than males, and the burden in females aged 20 to 49 years old increases significantly.
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Affiliation(s)
- Yujie Qiu
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, China.
| | - Zhenghao Long
- School of Pharmacy, North China University of Science and Technology, Tangshan, Hebei, China
| | - Zheng Long
- Department of Medical Affairs, Xuanwu Hospital Capital Medical University, Changchun Street 45, Xicheng District, Beijing, 100053, China.
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25
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Gremme A, Safa Flaih ZAT, Scholz J, Gerisch E, Thiel A, McColl G, Hayen H, Michalke B, Bornhorst J. Is Ferric the Same as Ferrous? Effect of Nutritionally Relevant Iron Species in C. elegans: Bioavailability, Iron Homeostasis, Oxidative Stress, and Cell Death. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2025; 73:3714-3723. [PMID: 39899691 DOI: 10.1021/acs.jafc.4c10463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2025]
Abstract
Iron (Fe) is present in foods and food supplements in a wide variety of Fe species. Caution needs to be paid in the case of overdosing on this essential trace element as adverse effects like neurodegenerative diseases are associated with increased iron levels in the brain. However, knowledge regarding the species-specific effects of nutritionally relevant Fe species is limited. Therefore, we treated the nematode Caenorhabditis elegans (C. elegans) with an overdose of the Fe species iron(III) ammonium citrate (FAC), iron(II) gluconate (FeGlu), and iron(II) chloride (FeCl2) for 5 and 24 h. While the bioavailability of Fe was highest with FeCl2 and lowest with FAC, the effects on tested endpoints, such as superoxide dismutase activity, translocation of the transcription factor daf-16 (human FOXO3), mitochondrial reactive oxygen and nitrogen species, and apoptotic cells were similar. This study provides further insights into Fe-species-specific effects on genes related to Fe homeostasis of C. elegans by studying gene expression and investigating C. elegans mutants lacking smf-3, ftn-1, ftn-2, dcytb (f55h2.5), and cp (f21d5.3). Thus, these findings underline the significance of the oxidation state and ligand of Fe species with respect to bioavailability while also identifying the key genes involved in Fe homeostasis in C. elegans.
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Affiliation(s)
- Anna Gremme
- Food Chemistry with focus on toxicology, Faculty of Mathematics and Natural Science, University of Wuppertal, Wuppertal 42119, Germany
| | - Zainab Al-Timimi Safa Flaih
- Food Chemistry with focus on toxicology, Faculty of Mathematics and Natural Science, University of Wuppertal, Wuppertal 42119, Germany
| | - Johannes Scholz
- Institute of Inorganic and Analytical Chemistry, University of Münster, Münster 48149, Germany
| | - Emely Gerisch
- Food Chemistry with focus on toxicology, Faculty of Mathematics and Natural Science, University of Wuppertal, Wuppertal 42119, Germany
| | - Alicia Thiel
- Food Chemistry with focus on toxicology, Faculty of Mathematics and Natural Science, University of Wuppertal, Wuppertal 42119, Germany
| | - Gawain McColl
- Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, Victoria 3052, Australia
| | - Heiko Hayen
- Institute of Inorganic and Analytical Chemistry, University of Münster, Münster 48149, Germany
| | - Bernhard Michalke
- Helmholtz Zentrum München, Research Unit Analytical BioGeoChemistry, Neuherberg 85764, Germany
| | - Julia Bornhorst
- Food Chemistry with focus on toxicology, Faculty of Mathematics and Natural Science, University of Wuppertal, Wuppertal 42119, Germany
- TraceAge - DFG Research Unit on Interactions of Essential Trace Elements on Healthy and Diseased Elderly (FOR 2558), Berlin-Potsdam-Jena-Wuppertal 14558 Germany
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26
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Rohilla S, Bushi G, Khatib MN, Ballal S, Bansal P, Tomar BS, Ashraf A, M RK, Sinha A, Rawat P, Gaidhane AM, Sah S, Serhan HA, Shabil M. The Bidirectional Relationship Between Iron Deficiency Anemia and Chronic Headache Disorders: A Systematic Review and Meta-Analysis. Anemia 2025; 2025:5695022. [PMID: 39959849 PMCID: PMC11828653 DOI: 10.1155/anem/5695022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2024] [Accepted: 01/18/2025] [Indexed: 02/18/2025] Open
Abstract
Background and Objective: IDA and chronic headache disorders such as migraines and tension-type headaches are common conditions that significantly affect quality of life. Emerging evidence suggests a bidirectional relationship between these two conditions. This systematic review and meta-analysis aimed to explore and quantify the association between iron deficiency anemia (IDA) and chronic headache disorders, with a focus on understanding the bidirectional nature of this relationship. Methods: A comprehensive literature search was conducted across PubMed, Embase, and Web of Science to identify relevant studies published up until August 10, 2024. Observational studies examining the prevalence, incidence, or association between IDA and chronic headache disorders were included. Data were extracted and assessed for quality using the Newcastle-Ottawa Scale. Meta-analyses were performed using a random-effects model to calculate pooled prevalence rates and risk ratios (RRs), with heterogeneity assessed via the I 2 statistic and meta-regression. A sensitivity analysis was conducted using the leave-one-out approach, and publication bias was evaluated through a funnel plot. Results: The meta-analysis included 13 studies: five studies examined chronic headaches among patients with IDA, and eight studies examined IDA among patients with chronic headaches. The pooled prevalence of chronic headaches among patients with IDA was 38% (95% CI: 15%-69%). In addition, 20% (95% CI: 10%-35%) of patients with chronic headaches were found to have IDA. Anemic patients were found to have a 76% higher risk of developing chronic headaches compared to nonanemic individuals (RR: 1.76; 95% CI: 1.22-2.52). Significant heterogeneity was observed across the studies. Conclusion: This meta-analysis demonstrates a significant association between IDA and chronic headache disorders, with a pooled prevalence of 38% for chronic headaches in IDA patients and 20% for IDA in chronic headache patients. IDA was associated with a 76% higher risk of chronic headaches. Routine screening for IDA in high-risk populations may improve headache outcomes, but further longitudinal studies are needed to establish causality and refine management strategies.
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Affiliation(s)
- Shivam Rohilla
- Department of Pharmacy Practice, National Institute of Pharmaceutical Education and Research, Guwahati, India
| | - Ganesh Bushi
- Center for Global Health Research, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, India
| | - Mahalaqua Nazli Khatib
- Division of Evidence Synthesis, Global Consortium of Public Health and Research, Datta Meghe Institute of Higher Education, Wardha, India
| | - Suhas Ballal
- Department of Chemistry and Biochemistry, School of Sciences, JAIN (Deemed to be University), Bangalore, Karnataka, India
| | - Pooja Bansal
- Department of Allied Healthcare and Sciences, Vivekananda Global University, Jaipur Rajasthan-303012, India
| | - Balvir S Tomar
- Institute of Pediatric Gastroenterology and Hepatology, NIMS University, Jaipur, India
| | - Ayash Ashraf
- Department of Pharmacy, Chandigarh Pharmacy College, Chandigarh Group of College, Jhanjeri, Mohali 140307, Punjab, India
| | - Ravi Kumar M
- Department of Chemistry, Raghu Engineering College, Visakhapatnam Andhra Pradesh-531162, India
| | - Aashna Sinha
- School of Applied and Life Sciences, Division of Research and Innovation, Uttaranchal University, Dehradun, India
| | - Pramod Rawat
- Department of Biotechnology, Graphic Era (Deemed to be University), Clement Town, Dehradun 248002, India
- Department of Allied Sciences, Graphic Era Hill University, Clement Town, Dehradun 248002, India
| | - Abhay M Gaidhane
- Jawaharlal Nehru Medical College and Global Health Academy, School of Epidemiology and Public Health, Datta Meghe Institute of Higher Education, Wardha, India
| | - Sanjit Sah
- Department of Paediatrics, Dr. D. Y. Patil Medical College, Hospital and Research Centre, Dr. D. Y. Patil Vidyapeeth, Pune 411018, Maharashtra, India
- Department of Public Health Dentistry, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Pune 411018, Maharashtra, India
- Department of Medicine, SR Sanjeevani Hospital, Kalyanpur, Siraha 56517, Nepal
| | | | - Muhammed Shabil
- Center for Research and Development, University Center for Research and Development, Chandigarh University, Mohali, Punjab, India
- Medical Laboratories Techniques Department, AL-Mustaqbal University 51001, Hillah, Babil, Iraq
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27
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Strubbe M, David K, Peene B, Eeckhout B, Van der Schueren B, Decallonne B, Vangoitsenhoven R, Vanderschueren D, Antonio L. No longer to be ignored: Hypophosphatemia following intravenous iron administration. Rev Endocr Metab Disord 2025; 26:125-135. [PMID: 39648248 DOI: 10.1007/s11154-024-09926-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/01/2024] [Indexed: 12/10/2024]
Abstract
Intravenous iron supplementation is increasingly used to safely and effectively correct iron deficiency anemia, but some formulations are linked to a renal phosphate wasting syndrome which is mediated by fibroblast growth factor 23. Unawareness among prescribers and the nonspecific clinical symptoms of hypophosphatemia result in underreporting of this complication. Even though it is often an asymptomatic and self-limiting condition, accumulating evidence from case reports and dedicated randomized controlled trials show that IV iron induced hypophosphatemia may be associated with clinical symptoms. If hypophosphatemia is not recognized and treated, a metabolic bone disease phenotype may develop, pathophysiologically reminiscent of hypophosphatemic rickets as seen in X-linked hypophosphatemic rickets or oncogenic osteomalacia. This syndrome is particularly, but not uniquely, associated with formulations containing ferric carboxymaltose, probably due to specific chemical characteristics of its carbohydrate moiety. Risk factors include repeated infusion, severity of iron deficiency, as well as normal kidney function. Coexisting vitamin D deficiency or hyperparathyroidism increase the risk of metabolic bone disease. Complications can be easily prevented by an early diagnosis and switching to another IV iron formulation. In this review, we describe the epidemiology and pathophysiology of this condition, to raise awareness among prescribing clinicians.
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Affiliation(s)
- Matthijs Strubbe
- Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium
| | - Karel David
- Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium
| | - Bernard Peene
- Department of Endocrinology, Ziekenhuis Geel, Geel, Belgium
| | - Bert Eeckhout
- Department of Endocrinology, Ziekenhuis Geel, Geel, Belgium
| | - Bart Van der Schueren
- Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium
- Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Brigitte Decallonne
- Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium
- Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Roman Vangoitsenhoven
- Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium
- Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Dirk Vanderschueren
- Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium
- Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Leen Antonio
- Department of Endocrinology, University Hospitals Leuven, Leuven, Belgium.
- Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium.
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Wang W, Ye R, Tang B, Qi Y. MultiThal-classifier, a machine learning-based multi-class model for thalassemia diagnosis and classification. Clin Chim Acta 2025; 567:120025. [PMID: 39521397 DOI: 10.1016/j.cca.2024.120025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2024] [Revised: 10/30/2024] [Accepted: 10/30/2024] [Indexed: 11/16/2024]
Abstract
BACKGROUND The differential diagnosis between iron deficiency anemia (IDA) and thalassemia trait (TT) remains a significant clinical challenge. This study aimed to develop a machine learning-based multi-class model to differentiate among Microcytic-TT(TT with low mean corpuscular volume), Normocytic-TT (TT with normal mean corpuscular volume), IDA, and healthy individuals. METHODS A comprehensive dataset comprising 1,819 individuals was analyzed using six distinct machine learning algorithms. The eXtreme Gradient Boosting (XGBoost) algorithm was ultimately selected to construct the MultiThal-Classifier (M-THAL) model. SMOTENC (Synthetic Minority Over-sampling Technique for Nominal and Continuous features) was employed to address data imbalance. Model performance was evaluated using various metrics, and SHAP values were applied to interpret the model's predictions.Additionally, external validation was conducted to assess the model's robustness and generalizability. RESULTS After performing 1000 bootstrap resamples of the test set, the average performance metrics of M-THAL and the 95 % confidence interval(CI) were as follows, sensitivity 90.27 % (95 % CI: 84.88-95.26), specificity 97.87 % (95% CI: 97.10-98.55), PPV 93.42 % (95 % CI: 89.34-96.48), NPV 97.82% (95 % CI: 97.00-98.53), F1-score 91.50 % (95% CI: 87.29-95.34), Youden's index 88.15 % (95 % CI: 82.33-93.70), accuracy 97.06 % (95% CI: 96.06-97.99), and AUC 94.07 % (95 % CI: 91.17-96.84).Feature importance analysis identified mean corpuscular volume(MCV), mean corpuscular hemoglobin(MCH), red cell distribution width - standard deviation(RDW-SD), and hemoglobin (HGB) were identified as the most important features. External validation confirmed the model's robustness and generalizability. CONCLUSION The M-THAL effectively distinguishes Normocytic-TT, Microcytic-TT, IDA, and healthy individuals using hematological parameters, offers a rapid and cost-effective screening tool that can be readily implemented in diverse healthcare settings.
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Affiliation(s)
- WenQiang Wang
- Department of Clinical Laboratory, Ningde Municipal Hospital of Ningde Normal University, Ningde, China
| | - RenQing Ye
- Department of Clinical Laboratory, Ningde Municipal Hospital of Ningde Normal University, Ningde, China
| | - BaoJia Tang
- Department of Clinical Laboratory, Ningde Municipal Hospital of Ningde Normal University, Ningde, China
| | - YuYing Qi
- Department of Clinical Laboratory, Ningde Municipal Hospital of Ningde Normal University, Ningde, China.
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Richardson D, Brown K, Rusch J, Verburgh E, Louw V, Opie J. From the marrow to the blood: optimising the diagnosis of iron deficiency in the setting of inflammation. Pathology 2025; 57:87-93. [PMID: 39419720 DOI: 10.1016/j.pathol.2024.06.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 06/11/2024] [Accepted: 06/29/2024] [Indexed: 10/19/2024]
Abstract
Iron deficiency (ID) is a common condition with readily available treatment but can be challenging to diagnose. Traditional biomarkers of ID are acute-phase reactants, which complicate diagnosis in patients with co-existent inflammation. This study aimed to establish optimal biomarker diagnostic thresholds for ID diagnosis using bone marrow (BM) iron stores as the gold standard and the C-reactive protein (CRP) as an inflammatory marker. A cross-sectional study was carried out in the haematology department of a tertiary academic hospital. Patients undergoing BM biopsies for any reason were recruited for inclusion. Retrospective case finding was used to enrich the data for cases with confirmed BM ID. Laboratory markers including red cell indices, reticulocyte haemoglobin and iron studies were evaluated to establish optimal cut-offs for ID diagnosis. A CRP of >5 mg/L was used as a marker of inflammation. The study included 139 patients. Forty-two had BM ID, with a median serum ferritin (SF) of 48.5 μg/L. Ninety-six of 134 (72%) had inflammation with a CRP >5 mg/L. An SF of <80 μg/L had optimal sensitivity (69%) and specificity (94%) for ID diagnosis in the whole group (odds ratio 23.5; 95% confidence interval 4.3-129). In patients without inflammation, an SF cut-off of 80 μg/L had high sensitivity (93%) and specificity (96%). An SF <200 μg/L indicated ID in those with inflammation (sensitivity 78%, specificity 74%). A transferrin saturation of <13% in those with inflammation increased the diagnostic specificity (92%). The reticulocyte haemoglobin was unhelpful in diagnosing ID in this setting. In this hospital population, SF was the best parameter to diagnose ID, even in the presence of inflammation. The CRP was useful to identify populations with inflammation in whom higher SF thresholds could be used together with the transferrin saturation to accurately diagnose ID.
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Affiliation(s)
- David Richardson
- Division of Haematology, Department of Pathology, Faculty of Health Science, University of Cape Town and National Health Laboratory Service, Groote Schuur Hospital, Cape Town, South Africa.
| | - Karryn Brown
- Division of Clinical Haematology, Department of Medicine, University of Cape Town, Groote Schuur Hospital, Cape Town, South Africa
| | - Jody Rusch
- Division of Chemical Pathology, Department of Pathology, Faculty of Health Science, University of Cape Town and National Health Laboratory Service, Groote Schuur Hospital, Cape Town, South Africa
| | - Estelle Verburgh
- Division of Clinical Haematology, Department of Medicine, University of Cape Town, Groote Schuur Hospital, Cape Town, South Africa
| | - Vernon Louw
- Division of Clinical Haematology, Department of Medicine, University of Cape Town, Groote Schuur Hospital, Cape Town, South Africa
| | - Jessica Opie
- Division of Haematology, Department of Pathology, Faculty of Health Science, University of Cape Town and National Health Laboratory Service, Groote Schuur Hospital, Cape Town, South Africa
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Wang R, Xu S, Hao X, Jin X, Pan D, Xia H, Liao W, Yang L, Wang S. Anemia during pregnancy and adverse pregnancy outcomes: a systematic review and meta-analysis of cohort studies. Front Glob Womens Health 2025; 6:1502585. [PMID: 39959784 PMCID: PMC11825799 DOI: 10.3389/fgwh.2025.1502585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2024] [Accepted: 01/10/2025] [Indexed: 02/18/2025] Open
Abstract
Objectives Anemia in pregnancy has been a topic of interest for researchers due to its potential impact on various adverse pregnancy outcomes. This study aims to explore the relationship between anemia and adverse pregnancy outcomes such as preterm birth, low birth weight, and maternal mortality. Methods We conducted both a systematic review and a meta-analysis on the associations between anemia during pregnancy and adverse pregnancy outcomes. We searched Chinese databases (CNKI, Wanfang, CBM, VIP) and English ones (Cochrane Library, PubMed, Embase, Web of Science). Two researcher-authors independently assessed study quality with the Newcastle-Ottawa Scale. After extracting data, we analyzed heterogeneity and used a random-effects model for higher heterogeneity and a fixed-effects model for low heterogeneity in the meta-analysis while also systematically synthesizing and narratively describing findings in the systematic review. Results A total of 31 cohort studies were included. Meta-analysis showed that the risk of postpartum hemorrhage [RR [95% CI], 2.76 [1.63, 4.66]], premature rupture of membranes (PROM) [1.94 (1.26, 3.00)], preterm delivery [1.51 (1.33, 1.72)], low birth weight (LBW) [1.40 (1.19, 1.63)], cesarean section[1.33 (1.02, 1.74)], gestational hypertension[1.28 (1.14, 1.44)] and neonatal asphyxia[1.21 (1.07, 1.37)] was higher in the group of anemia in pregnancy than in the control group. Conclusion Maternal anemia is associated with an increased risk of seven adverse pregnancy outcomes: postpartum hemorrhage, PROM, preterm delivery, LBW, cesarean section, gestational hypertension and neonatal asphyxia. Appropriate nutritional supplementation and screening for anemia before and during pregnancy are recommended to improve maternal health and manage adverse pregnancy outcomes.
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Affiliation(s)
- Rui Wang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing, China
| | - Shan Xu
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing, China
| | - Xiaoyu Hao
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing, China
| | - Xingyi Jin
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing, China
| | - Da Pan
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing, China
| | - Hui Xia
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing, China
| | - Wang Liao
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing, China
| | - Ligang Yang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing, China
| | - Shaokang Wang
- Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, and Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing, China
- Clinical Medical Research Center for Plateau Gastroenterological Disease of Xizang Autonomous Region, and School of Medicine, Xizang Minzu University, Xianyang, China
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Szymulewska-Konopko K, Reszeć-Giełażyn J, Małeczek M. Ferritin as an Effective Prognostic Factor and Potential Cancer Biomarker. Curr Issues Mol Biol 2025; 47:60. [PMID: 39852175 PMCID: PMC11763953 DOI: 10.3390/cimb47010060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2024] [Revised: 01/05/2025] [Accepted: 01/13/2025] [Indexed: 01/26/2025] Open
Abstract
Ferritin is found in all cells of the body, serving as a reservoir of iron and protecting against damage to the molecules that make up cellular structures. It has emerged as a biomarker not only for iron-related disorders but also for inflammatory diseases and conditions in which inflammation plays a key role, including cancer, neurodegeneration, and infection. Oxidative stress, which can cause cellular damage, is induced by reactive oxygen species generated during the Fenton reaction, activating signaling pathways associated with tumor growth and proliferation. This review primarily emphasizes basic studies on the identification and function of ferritin, its essential role in iron metabolism, its involvement in inflammatory diseases, and its potential as an important prognostic factor and biomarker for cancer detection.
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Affiliation(s)
| | - Joanna Reszeć-Giełażyn
- Department of Medical Pathomorphology, Medical University of Bialystok, 15-089 Białystok, Poland; (K.S.-K.); (M.M.)
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Hermann R, Shovlin CL, Kasthuri RS, Serra M, Eker OF, Bailly S, Buscarini E, Dupuis-Girod S. Hereditary haemorrhagic telangiectasia. Nat Rev Dis Primers 2025; 11:1. [PMID: 39788978 DOI: 10.1038/s41572-024-00585-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/29/2024] [Indexed: 01/12/2025]
Abstract
Hereditary haemorrhagic telangiectasia (HHT) is a vascular dysplasia inherited as an autosomal dominant trait and caused by loss-of-function pathogenic variants in genes encoding proteins of the BMP signalling pathway. Up to 90% of disease-causal variants are observed in ENG and ACVRL1, with SMAD4 and GDF2 less frequently responsible for HHT. In adults, the most frequent HHT manifestations relate to iron deficiency and anaemia owing to recurrent epistaxis (nosebleeds) or bleeding from gastrointestinal telangiectases. Arteriovenous malformations (AVMs) in the lungs, liver and the central nervous system cause additional major complications and often complex symptoms, primarily due to vascular shunting, which is right-to-left through pulmonary AVMs (causing ischaemic stroke or cerebral abscess) and left-to-right through systemic AVMs (causing high cardiac output). Children usually experience isolated epistaxis; in rare cases, childhood complications occur from large AVMs in the lungs or central nervous system. Management goals encompass control of epistaxis and intestinal bleeding from telangiectases, screening for and treatment of iron deficiency (with or without anaemia) and AVMs, genetic counselling and evaluation of at-risk family members. Novel therapeutics, such as systemic antiangiogenic therapies, are actively being investigated. Although HHT is associated with increased morbidity, the appropriate screening and treatment of visceral AVMs, and the effective management of bleeding and anaemia, improves quality of life and overall survival.
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Affiliation(s)
- Ruben Hermann
- ENT department, Hôpital E Herriot, Hospices Civils de Lyon, Lyon, France
- European Reference Network for Rare Multisystemic Vascular Disease (VASCERN), HHT Rare Disease Working Group, Paris, France
| | - Claire L Shovlin
- National Heart and Lung Institute, Imperial College London, London, UK
- Respiratory Medicine, Imperial College Healthcare NHS Trust, London, UK
| | - Raj S Kasthuri
- Division of Hematology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Marcelo Serra
- Internal Medicine department, HHT Unit, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - Omer F Eker
- Department of Neuroradiology, Hôpital Pierre Wertheimer, Hospices Civils de Lyon, Bron, France
| | - Sabine Bailly
- Biosanté Unit U1292, Grenoble Alpes University, INSERM, CEA, Grenoble, France
| | - Elisabetta Buscarini
- European Reference Network for Rare Multisystemic Vascular Disease (VASCERN), HHT Rare Disease Working Group, Paris, France
- Gastroenterology Department, ASST Ospedale Maggiore, Crema, Italy
| | - Sophie Dupuis-Girod
- European Reference Network for Rare Multisystemic Vascular Disease (VASCERN), HHT Rare Disease Working Group, Paris, France.
- Biosanté Unit U1292, Grenoble Alpes University, INSERM, CEA, Grenoble, France.
- HHT National Reference Center and Genetic Department, Hôpital Femme-Mère-Enfants, Hospices Civils de Lyon, Bron, France.
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Walle M, Tesfaye A, Agidew MM, Semaw M, Mekuria S, Getu F. The association of Helicobacter pylori infection with the risk of anemia in children: systematic review and meta-analysis. BMC Infect Dis 2025; 25:23. [PMID: 39762773 PMCID: PMC11702240 DOI: 10.1186/s12879-024-10427-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2024] [Accepted: 12/27/2024] [Indexed: 01/11/2025] Open
Abstract
BACKGROUND Children are among the most vulnerable groups for Helicobacter pylori (H. pylori) infection, which was linked with an increased risk of anemia. H. pylori infection may cause the development of anemia through affecting the absorption of different micronutrients and increasing hepcidin production from hepatocytes. This study aimed to assess the effect of H. pylori infection on the occurrence of anemia in children. METHODOLOGY Previously published articles were systematically searched on major databases including Science Direct, PubMed, Embase, Scopus, Cochrane Library, and Science Citation Index using search terms. The search results were imported into EndNote X9 to organize and remove duplicates. Then, relevant data was extracted and analyzed using STATA version 16.0. The pooled odds ratio (OR) was calculated to evaluate the associations of H. pylori infection with Anemia. Moreover, pooled standardized mean difference (SMD) of Hemoglobin (Hgb) and Serum ferritin (SF) levels between cases and controls were calculated for group comparisons. RESULTS A total of nine published articles were included in this study. The result showed that H. pylori-infected children had 2.68 times more risk of developing anemia compared to H. pylori-negative children (OR: 2.68:95% CI:1.44-4.99, p = 0.002). Subgroup analyses based on study design showed an increased significant association between H. pylori infection and anemia among case-control studies (OR:3.792:95%CI;1.767, 8.142, p = 0.001). Subgroup analyses based on the H. pylori detection method indicated an increased significant association between H. pylori infection and anemia when the stool antigen test method was used (OR:3.801;95%CI:1.090,13.250, p = 0.036). Moreover, there was a significant decrement of Hgb and SF levels in the H. pylori positive group compared to the negative group with SMD of -0.54(95%CI: -0.65, -0.42, p < 0.001) and - 0.49(95% CI: -0.91, -0.08, p < 0.020), respectively. CONCLUSIONS This study revealed that children with H. pylori infection are at a higher risk of developing anemia as compared to non-infected children. Moreover, the observed decrease in Hgb and SF levels in infected children suggests that H. pylori may contribute to the development of anemia. Future research need to focus on the mechanisms by which H. pylori infection contributes to anemia, as well as the potential benefits of targeted interventions in reducing both H. pylori prevalence and anemia rates in children.
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Affiliation(s)
- Muluken Walle
- Department of Hematology and Immunohematology, School of Biomedical and Laboratory Science, College of Medicine and Health Science, University of Gondar, P.O.Box 196, Gondar, Ethiopia.
| | - Addisu Tesfaye
- Department of Medical Laboratory Science, College of Medicine and Health Sciences, Jigjiga University, Jigjiga, Ethiopia
| | - Melaku Mekonnen Agidew
- Department of Medical Biochemistry, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Muluken Semaw
- Medical Laboratory Unit, Sanja General Hospital, Amhara National Regional State Health Bureau, Sanja, Ethiopia
| | - Surafel Mekuria
- Department of Medical Laboratory Science, College of Medicine and Health Sciences, Jigjiga University, Jigjiga, Ethiopia
| | - Fasil Getu
- Department of Medical Laboratory Science, College of Medicine and Health Sciences, Jigjiga University, Jigjiga, Ethiopia
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Akpan IJ, Narang M, Zampaglione E, Marshall S, Stefanik D. Iron deficiency anemia in patients with heavy menstrual bleeding: The patients' perspective from diagnosis to treatment. WOMEN'S HEALTH (LONDON, ENGLAND) 2025; 21:17455057251321221. [PMID: 40014696 PMCID: PMC11869313 DOI: 10.1177/17455057251321221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2024] [Revised: 01/22/2025] [Accepted: 01/28/2025] [Indexed: 03/01/2025]
Abstract
BACKGROUND Heavy menstrual bleeding (HMB) associated with iron deficiency anemia (IDA) negatively affects quality of life (QoL). Management of IDA usually begins with oral iron supplementation or, if ineffective/poorly tolerated, then intravenous iron (IVI) is given; however, no guidance exists on transitioning from oral to IVI in patients with HMB. While various IVI products exist, safety profiles and distinct properties affecting treatment logistics make product choice important. OBJECTIVES Assess the IVI treatment journey for patients with HMB and IDA. DESIGN A survey was designed to assess multiple aspects of IVI treatment to evaluate patient perspectives. METHODS Patients (⩾18 years) from the United States with IDA currently prescribed IVI completed a survey conducted by The Harris Poll in 2023. Questions covered symptoms, time to diagnosis/treatment, IVI appointment logistics, IVI infusion experience, impact on daily activities, and patient preferences. RESULTS Of 323 respondents, 71 (22.0%) were prescribed IVI for HMB and received ⩾2 IVI infusions monthly. The mean age for these patients was 33.5 years; they experienced a mean of 2.9 years from symptom onset until IDA diagnosis, and 1.4 years between diagnosis and IVI treatment. Most patients agreed that navigating IVI treatment logistics interfered with productivity and social commitments, and felt they must schedule their life around treatment. Patients who were also diagnosed with hypophosphatemia following IVI (12/71; 16.9%) reported a mean of 8.2 additional hospital visits. Furthermore, 36.6% of patients missed an IVI dose; of these, 80.8% preferred single-dose IVI. CONCLUSION Patients with IDA and HMB experienced substantial delays from symptom onset to subsequent IVI treatment, demonstrating a gap in management. Therefore, oral iron may not be an appropriate first-line treatment for some of these patients. Multiple-dose IVI and associated appointment logistics can negatively impact patients' perspectives on treatment. Single-dose IVI preferences should be considered to improve patients' adherence and QoL.
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Affiliation(s)
- Imo J Akpan
- Division of Hematology and Oncology, Department of Medicine, Irving Medical Center, Columbia University, New York, NY, USA
| | - Mohit Narang
- US Oncology Research, Maryland Oncology Hematology, Columbia, MD, USA
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Hu Q, Liu Y, Fei Y, Zhang J, Yin S, Zou H, Zhu F. Efficacy of probiotic, prebiotic, and synbiotics supplements in individuals with anemia: a systematic review and meta-analysis of randomized controlled trials. BMC Gastroenterol 2024; 24:472. [PMID: 39716076 DOI: 10.1186/s12876-024-03562-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2024] [Accepted: 12/13/2024] [Indexed: 12/25/2024] Open
Abstract
INTRODUCTION Anemia is a common global health problem, particularly in impoverished regions, with a high incidence rate. The condition is multifactorial, with iron deficiency being one of the most prevalent causes. Current treatment for anemia often relies on iron supplements or erythropoiesis-stimulating agents, although these therapies may show limited efficacy for some patients. Recent evidence suggests that probiotics, prebiotics, and synbiotics, as microbiome modulators, hold significant potential in the treatment of anemia. These interventions may enhance iron absorption and improve overall blood health through their impact on gut microbiota, thus providing an alternative or complementary approach to conventional treatments. METHODS Six databases, including the Cochrane Central Register of Controlled Trials, Embase, PubMed, Web of Science (WOS), China National Knowledge Infrastructure (CNKI), and WangFang data library, were searched up to November 20, 2024. Studies published in English and Chinese were included. We included randomized controlled trials (RCTs) evaluating the effects of probiotics, prebiotics, or synbiotics in treating anemia. The experimental groups received probiotics, prebiotics, or synbiotics, while the control groups received placebo, alternative treatments, or no treatment. The primary outcome was hemoglobin (Hb) levels. Secondary outcomes included serum iron (SI) and serum ferritin (SF). A descriptive analysis was conducted for studies where meta-analysis was not feasible. The GRADE tool was used to assess the quality of evidence, and the Cochrane guidelines were employed to evaluate the risk of bias in each study. RESULTS Seven studies were included comprising a total of eight RCTs, with the main types of anemia being iron deficiency anemia (IDA) and anemia of chronic kidney disease (CKD), involving 632 patients. The analysis revealed that probiotics, prebiotics, or synbiotics significantly improved Hb levels in patients with anemia (WMD = 10.760, 95% CI: 4.593 to 16.747, p = 0.001), though heterogeneity was high (I² = 96.5%). Two RCTs (n = 120 participants) reported significant increases in serum iron levels in the probiotic group (WMD = 3.835, 95% CI: 3.271 to 4.400), with moderate heterogeneity (I² = 38.7%). Two RCTs (n = 192 participants) reported no significant differences were observed between the groups in serum ferritin levels (WMD = 8.048, p = 0.115), and heterogeneity remained high (I² = 62.6%). Subgroup analyses revealed that probiotics improved Hb levels in renal and iron-deficiency anemia, as well as across different doses. The synbiotic group showed consistent efficacy (I² = 0%), while the prebiotic group did not exhibit significant effects, with extremely high heterogeneity (I² = 99.3%). This indicates that heterogeneity may stem from variations in intervention types, and the results should be interpreted with caution. CONCLUSION There is moderate-quality evidence suggesting that probiotics, prebiotics, and synbiotics may improve anemia management, particularly by enhancing Hb levels. Further high-quality RCTs are required to explore the specific role of synbiotics in anemia management, including their comparative efficacy against probiotics and prebiotics alone, and their impact on gastrointestinal factors such as gut microbiota modulation and inflammation reduction. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42024590073.
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Affiliation(s)
- Qian Hu
- Department of Hematology, Meishan City People's Hospital, Meishan, China
| | - Ying Liu
- Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Youmei Fei
- Department of Hematology, Meishan City People's Hospital, Meishan, China
| | - Jingping Zhang
- Department of Hematology, Meishan City People's Hospital, Meishan, China
| | - Shao Yin
- Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hui Zou
- Department of Acupuncture and Rehabilitation, Renshou County Hospital of Traditional Chinese Medicine, Meishan, China
| | - Fengya Zhu
- Zigong First People's Hospital, Zigong, China.
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Allara E, Bell S, Smith R, Keene SJ, Gill D, Gaziano L, Morselli Gysi D, Wang F, Tragante V, Mason A, Karthikeyan S, Lumbers RT, Bonglack E, Ouwehand W, Roberts DJ, Dowsett J, Ostrowski SR, Larsen MH, Ullum H, Pedersen OB, Brunak S, Banasik K, Erikstrup C, Mitchell J, Fuchsberger C, Pattaro C, Pramstaller PP, Girelli D, Arvas M, Toivonen J, Molnos S, Peters A, Polasek O, Rudan I, Hayward C, McDonnell C, Pirastu N, Wilson JF, van den Hurk K, Quee F, Ferrucci L, Bandinelli S, Tanaka T, Girotto G, Concas MP, Pecori A, Verweij N, van der Harst P, van de Vegte YJ, Kiemeney LA, Sweep FC, Galesloot TE, Sulem P, Gudbjartsson D, Ferkingstad E, Djousse L, Cho K, Inouye M, Burgess S, Benyamin B, Oexle K, Swinkels D, Stefansson K, Magnusson M, Ganna A, Gaziano M, Ivey K, Danesh J, Pereira A, Wood AM, Butterworth AS, Di Angelantonio E. Novel loci and biomedical consequences of iron homoeostasis variation. Commun Biol 2024; 7:1631. [PMID: 39643614 PMCID: PMC11624196 DOI: 10.1038/s42003-024-07115-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 10/21/2024] [Indexed: 12/09/2024] Open
Abstract
Iron homoeostasis is tightly regulated, with hepcidin and soluble transferrin receptor (sTfR) playing significant roles. However, the genetic determinants of these traits and the biomedical consequences of iron homoeostasis variation are unclear. In a meta-analysis of 12 cohorts involving 91,675 participants, we found 43 genomic loci associated with either hepcidin or sTfR concentration, of which 15 previously unreported. Mapping to putative genes indicated involvement in iron-trait expression, erythropoiesis, immune response and cellular trafficking. Mendelian randomisation of 292 disease outcomes in 1,492,717 participants revealed associations of iron-related loci and iron status with selected health outcomes across multiple domains. These associations were largely driven by HFE, which was associated with the largest iron variation. Our findings enhance understanding of iron homoeostasis and its biomedical consequences, suggesting that lifelong exposure to higher iron levels is likely associated with lower risk of anaemia-related disorders and higher risk of genitourinary, musculoskeletal, infectious and neoplastic diseases.
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Affiliation(s)
- Elias Allara
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK.
- NIHR Blood and Transplant Research Unit in Donor Health and Behaviour, Cambridge, UK.
- Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK.
| | - Steven Bell
- Precision Breast Cancer Institute, Department of Oncology, University of Cambridge, Cambridge, UK
- Cancer Research UK Cambridge Centre, Li Ka Shing Centre, University of Cambridge, Cambridge, UK
| | - Rebecca Smith
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK
| | - Spencer J Keene
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK
| | - Dipender Gill
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - Liam Gaziano
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK
- Massachusetts Veterans Epidemiology Research and Information Center (MAVERIC), VA Boston Healthcare System, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Deisy Morselli Gysi
- Massachusetts Veterans Epidemiology Research and Information Center (MAVERIC), VA Boston Healthcare System, Boston, MA, USA
- Department of Statistics, Federal University of Parana, Curitiba, Brazil
- Division of Aging, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Feiyi Wang
- Genetic Epidemiology Lab, Institute for Molecular Medicine Finland, Helsinki, Finland
| | | | - Amy Mason
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK
| | - Savita Karthikeyan
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK
| | | | - Emmanuela Bonglack
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK
- BHF Centre of Research Excellence, School of Clinical Medicine, Addenbrooke's Hospital, Cambridge, UK
| | - Willem Ouwehand
- Department of Haematology, University of Cambridge, Cambridge, UK
- NHS Blood and Transplant, Cambridge Biomedical Campus, Cambridge, UK
- Department of Haematology, Cambridge University Hospitals NHS Trust, Cambridge, UK
- Department of Haematology, University College London Hospitals NHS Trust, London, UK
| | - David J Roberts
- Radcliffe Department of Medicine, University of Oxford, John Radcliffe Hospital, Oxford, UK
- Department of Haematology, Churchill Hospital, Headington, Oxford, UK
| | - Joseph Dowsett
- Department of Clinical Immunology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Sisse Rye Ostrowski
- Department of Clinical Immunology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Margit Hørup Larsen
- Department of Clinical Immunology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | | | - Ole Birger Pedersen
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Immunology, Zealand University Hospital, Køge, Denmark
| | - Søren Brunak
- Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Karina Banasik
- Novo Nordisk Foundation Center for Protein Research, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | | | | | | | | | - Peter P Pramstaller
- Eurac Research, Institute for Biomedicine, Bolzano, Italy
- Department of Neurology, General Central Hospital, Bolzano, Italy
| | - Domenico Girelli
- Department of Medicine, Section of Internal Medicine, EuroBloodNet Referral Center, University Hospital of Verona, Verona, Italy
| | - Mikko Arvas
- Finnish Red Cross Blood Service, Helsinki, Finland
| | | | - Sophie Molnos
- msg life central europe gmbh, München, Germany
- Institute of Epidemiology, Helmholtz Munich, Neuherberg, Germany
| | - Annette Peters
- Institute of Epidemiology, Helmholtz Munich, Neuherberg, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
- Institute for Medical Information Processing, Biometry and Epidemiology, Medical Faculty, Ludwig-Maximilians-Universität München, München, Germany
| | - Ozren Polasek
- Faculty of Medicine, University of Split, Split, Croatia
| | - Igor Rudan
- Centre for Global Health Research, Usher Institute, University of Edinburgh, Edinburgh, Scotland, Edinburgh, UK
| | - Caroline Hayward
- Medical Research Council Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Ciara McDonnell
- Centre for Global Health Research, Usher Institute, University of Edinburgh, Edinburgh, Scotland, Edinburgh, UK
- Centre for Cardiovascular Sciences, Queens Medical Research Institute, University of Edinburgh, Edinburgh, Scotland, UK
| | - Nicola Pirastu
- Centre for Global Health Research, Usher Institute, University of Edinburgh, Edinburgh, Scotland, Edinburgh, UK
- Genomics Research Centre, Human Technopole, Milan, Italy
| | - James F Wilson
- Centre for Global Health Research, Usher Institute, University of Edinburgh, Edinburgh, Scotland, Edinburgh, UK
- Medical Research Council Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Katja van den Hurk
- Donor Studies, Department of Donor Medicine Research, Sanquin Research, Amsterdam, The Netherlands
- Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam UMC, Amsterdam, The Netherlands
| | - Franke Quee
- Donor Studies, Department of Donor Medicine Research, Sanquin Research, Amsterdam, The Netherlands
- Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam UMC, Amsterdam, The Netherlands
| | - Luigi Ferrucci
- Longitudinal studies section, National Institute on Aging, Baltimore, MD, USA
| | | | - Toshiko Tanaka
- Longitudinal studies section, National Institute on Aging, Baltimore, MD, USA
| | - Giorgia Girotto
- Institute for Maternal and Child Health - IRCCS, Burlo Garofolo, Trieste, Italy
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy
| | - Maria Pina Concas
- Institute for Maternal and Child Health - IRCCS, Burlo Garofolo, Trieste, Italy
| | - Alessandro Pecori
- Institute for Maternal and Child Health - IRCCS, Burlo Garofolo, Trieste, Italy
| | - Niek Verweij
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- Regeneron Genetics Center, Tarrytown, NY, USA
| | - Pim van der Harst
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
- Department of Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Yordi J van de Vegte
- Department of Cardiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Lambertus A Kiemeney
- IQ Health, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Urology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Fred C Sweep
- Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | | | | | - Daniel Gudbjartsson
- deCODE genetics/Amgen Inc., Reykjavik, Iceland
- School of Engineering and Natural Sciences, University of Iceland, Reykjavik, Iceland
| | | | - Luc Djousse
- Massachusetts Veterans Epidemiology Research and Information Center (MAVERIC), VA Boston Healthcare System, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Division of Aging, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Department of Nutrition, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Kelly Cho
- Massachusetts Veterans Epidemiology Research and Information Center (MAVERIC), VA Boston Healthcare System, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Division of Aging, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Michael Inouye
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK
- BHF Centre of Research Excellence, School of Clinical Medicine, Addenbrooke's Hospital, Cambridge, UK
- Cambridge Baker Systems Genomics Initiative, Baker Heart and Diabetes Institute, Melbourne, Australia
- Health Data Research UK Cambridge, Wellcome Genome Campus and University of Cambridge, Cambridge, UK
- Cambridge Baker Systems Genomics Initiative, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
| | - Stephen Burgess
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK
- BHF Centre of Research Excellence, School of Clinical Medicine, Addenbrooke's Hospital, Cambridge, UK
- Medical Research Council Biostatistics Unit, Cambridge, UK
| | - Beben Benyamin
- Australian Centre for Precision Health & Allied Health and Human Performance, University of South Australia, Adelaide, Australia
- South Australian Health and Medical Research Institute, Adelaide, Australia
| | - Konrad Oexle
- Neurogenetic Systems Analysis Group, Institute of Neurogenomics, Helmholtz Munich, Neuherberg, Germany
- Institute of Human Genetics, School of Medicine, Technical University of Munich, München, Germany
| | - Dorine Swinkels
- Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
- Sanquin Blood Bank, Amsterdam, The Netherlands
| | - Kari Stefansson
- deCODE genetics/Amgen Inc., Reykjavik, Iceland
- Faculty of Medicine, School of Health Sciences, University of Iceland, Reykjavik, Iceland
| | - Magnus Magnusson
- deCODE genetics/Amgen Inc., Reykjavik, Iceland
- Faculty of Medicine, School of Health Sciences, University of Iceland, Reykjavik, Iceland
| | - Andrea Ganna
- Genetic Epidemiology Lab, Institute for Molecular Medicine Finland, Helsinki, Finland
| | - Michael Gaziano
- Massachusetts Veterans Epidemiology Research and Information Center (MAVERIC), VA Boston Healthcare System, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Division of Aging, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Kerry Ivey
- Massachusetts Veterans Epidemiology Research and Information Center (MAVERIC), VA Boston Healthcare System, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Division of Aging, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - John Danesh
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- NIHR Blood and Transplant Research Unit in Donor Health and Behaviour, Cambridge, UK
- Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK
- BHF Centre of Research Excellence, School of Clinical Medicine, Addenbrooke's Hospital, Cambridge, UK
- Health Data Research UK Cambridge, Wellcome Genome Campus and University of Cambridge, Cambridge, UK
- Department of Human Genetics, Wellcome Sanger Institute, Hinxton, UK
| | - Alexandre Pereira
- Massachusetts Veterans Epidemiology Research and Information Center (MAVERIC), VA Boston Healthcare System, Boston, MA, USA
- Department of Medicine, Harvard Medical School, Boston, MA, USA
- Division of Aging, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Angela M Wood
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- NIHR Blood and Transplant Research Unit in Donor Health and Behaviour, Cambridge, UK
- Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK
- BHF Centre of Research Excellence, School of Clinical Medicine, Addenbrooke's Hospital, Cambridge, UK
- Health Data Research UK Cambridge, Wellcome Genome Campus and University of Cambridge, Cambridge, UK
- Cambridge Centre of Artificial Intelligence in Medicine, Cambridge, UK
| | - Adam S Butterworth
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- NIHR Blood and Transplant Research Unit in Donor Health and Behaviour, Cambridge, UK
- Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK
- BHF Centre of Research Excellence, School of Clinical Medicine, Addenbrooke's Hospital, Cambridge, UK
- Health Data Research UK Cambridge, Wellcome Genome Campus and University of Cambridge, Cambridge, UK
| | - Emanuele Di Angelantonio
- BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK.
- NIHR Blood and Transplant Research Unit in Donor Health and Behaviour, Cambridge, UK.
- Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK.
- BHF Centre of Research Excellence, School of Clinical Medicine, Addenbrooke's Hospital, Cambridge, UK.
- Health Data Research UK Cambridge, Wellcome Genome Campus and University of Cambridge, Cambridge, UK.
- Health Data Science Centre, Human Technopole, Milan, Italy.
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Niriella MA, Jayasena H, Withanachchi A, Premawardhena A. Mistakes in the management of iron deficiency anaemia: a narrative review. Hematology 2024; 29:2387987. [PMID: 39110847 DOI: 10.1080/16078454.2024.2387987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Accepted: 07/30/2024] [Indexed: 01/03/2025] Open
Abstract
INTRODUCTION Anaemia occurs due to an imbalance between erythrocyte production and loss. This imbalance can be due to ineffective erythropoiesis, blood loss or haemolysis. Whilst there are many causes for anaemia, iron deficiency anaemia (IDA) remains the predominant cause worldwide. AREAS COVERED There have been many updated guidelines on the management of IDA in the past few years. As the reasons for IDA are many, evaluation requires thorough analysis and focused investigations. As an asymptomatic disease in the early stages, IDA can lead to many mistakes in its management. This review highlights potential mistakes in assessing and managing IDA and recommendations to avoid them. CONCLUSION The effective management of IDA necessitates a comprehensive and multidisciplinary approach. By recognising and addressing the common mistakes highlighted in this narrative review, healthcare professionals can improve patient outcomes, minimise complications, and enhance the overall quality of care.
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Affiliation(s)
| | - Hiruni Jayasena
- Faculty of Medicine, General Sir John Kothalawala Defence University, Rathmalana, Sri Lanka
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Yadav A, Narain U, Gupta A, Maurya S. Iron Deficiency and Renal Phosphate Handling: The Role of Maximal Tubular Reabsorption of Phosphate Normalized to Glomerular Filtration Rate (TmP/GFR) in Proximal Tubular Dysfunction. Cureus 2024; 16:e76329. [PMID: 39850154 PMCID: PMC11756918 DOI: 10.7759/cureus.76329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/23/2024] [Indexed: 01/25/2025] Open
Abstract
BACKGROUND AND AIM Phosphate dysregulation is often associated with chronic kidney disease (CKD), and recent studies suggest that it may also be present in non-CKD patients with systemic conditions including iron deficiency anemia. This study aimed to evaluate the relationship between iron deficiency parameters (total iron-binding capacity {TIBC}, hemoglobin, and serum ferritin) and markers of proximal tubular dysfunction (the maximal tubular reabsorption of phosphate normalized to glomerular filtration rate {TmP/GFR} and tubular reabsorption of phosphate {TRP}) in non-CKD patients with iron deficiency anemia. METHODS This was a hospital-based analytical cross-sectional study conducted in the outpatient department and/or inpatient wards of the Department of Internal Medicine, Swaroop Rani Nehru (SRN) Hospital associated with Moti Lal Nehru (MLN) Medical College, Prayagraj, Uttar Pradesh, India, between July 2023 and August 2024. RESULTS This study analyzed 40 anemic patients without CKD, with a mean age of 33.9 years. Most participants (n=24, 60%) were aged 18-35 years, and the majority (n=27, 67.5%) were female. Peripheral smear analysis revealed that 72.5% (n=29) had microcytic hypochromic anemia. Hemoglobin levels averaged 7.7 g/dL, serum iron was 91.0 µg/dL, total iron-binding capacity (TIBC) was 316.3 µg/dL, and serum ferritin was 199.7 ng/mL. Phosphate handling was assessed with TmP/GFR and tubular reabsorption of phosphate (TRP) showing mean values of 4.1 mg/dL and 99.2%, respectively. This study found that TmP/GFR had a significant positive correlation with TIBC (r=0.402, p=0.010), but non-significant negative correlations with hemoglobin and serum iron. TRP was negatively correlated with hemoglobin and serum ferritin, but not significantly. Among patients with microcytic hypochromic anemia, 55.2% (n=16) had increased TmP/GFR, and 61.1% (n=20) of patients with iron deficiency anemia exhibited increased TmP/GFR. Regression analysis revealed that TIBC significantly predicted TmP/GFR (p=0.022), indicating that higher TIBC values are associated with increased TmP/GFR, suggesting a potential link between iron metabolism and renal phosphate handling. CONCLUSION Higher TIBC levels were associated with increased TmP/GFR, suggesting that iron deficiency anemia may influence proximal tubular function. The findings emphasize the importance of considering renal phosphate handling in patients with iron deficiency anemia.
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Affiliation(s)
- Aman Yadav
- General Medicine, Moti Lal Nehru Medical College, Prayagraj, IND
| | - Upma Narain
- Microbiology, Tejas Micro Diagnostic Centre, Prayagraj, IND
| | - Arvind Gupta
- Nephrology, Moti Lal Nehru Medical College, Prayagraj, IND
| | - Santosh Maurya
- Nephrology, Moti Lal Nehru Medical College, Prayagraj, IND
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Machado P, McNaughton SA, Wingrove K, Stephens LD, Baker P, Lawrence M. A Scoping Review of the Causal Pathways and Biological Mechanisms Linking Nutrition Exposures and Health Outcomes. Curr Nutr Rep 2024; 14:3. [PMID: 39613942 DOI: 10.1007/s13668-024-00591-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2024]
Abstract
BACKGROUND/AIM Building on the evidence for multifaceted effects of different nutrients, foods and dietary patterns is a new priority for nutrition science. This review aims to describe the causal pathways and biological mechanisms that elucidate the associations between different nutrition exposures (nutrients, foods and dietary patterns) and health outcomes. METHODS A scoping review was conducted in two stages: 1) review of nutrition science textbooks; and 2) a review of reviews of empirical literature using a systematic approach to elucidate causal pathways and biological mechanisms for nutrition exposures and health outcomes. Reviews were eligible for inclusion if they reported biological mechanistic pathways between exposures and outcomes of interest among free-living healthy adults and/or children. Causal pathways within and between the exposures and the outcomes were identified and summarised visually. RESULTS A total of seven core textbooks and 1,934 reviews of relevant empirical literature were included. The complexity of the causal pathways and the number of biological mechanisms progressively increases as the nutrition exposure changes from nutrients to foods to dietary patterns. The biological mechanisms demonstrate that associations with beneficial or adverse health outcomes are determined by the contrasting chemical composition and physical structure of the different types and forms of nutrition exposures, and that contextual factors (e.g., food processing) can influence these chemical and physical factors for food and dietary pattern exposures. CONCLUSION This review provides models that can guide future research, and has several implications for the generation and interpretation of the nutrition evidence, and its synthesis and translation to inform nutrition guidelines and policies.
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Affiliation(s)
- Priscila Machado
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, 3220, Australia.
- School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, 3220, Australia.
| | - Sarah A McNaughton
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, 3220, Australia
- School of Human Movement and Nutrition Sciences, Faculty of Health and Behavioural Sciences, The University of Queensland, Brisbane, QLD, 4072, Australia
- School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, 3220, Australia
| | - Kate Wingrove
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, 3220, Australia
| | - Lena D Stephens
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, 3220, Australia
- School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, 3220, Australia
| | - Phillip Baker
- Sydney School of Public Health, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, 2050, Australia
| | - Mark Lawrence
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, 3220, Australia
- School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, 3220, Australia
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40
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Guo Z, Huo D, Shao Y, Yang W, Wang J, Zhang Y, Xiao H, Hao B, Liao S. Novel biallelic variants in IREB2 cause an early-onset neurodegenerative disorder in a Chinese pedigree. Orphanet J Rare Dis 2024; 19:435. [PMID: 39587636 PMCID: PMC11587613 DOI: 10.1186/s13023-024-03465-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2024] [Accepted: 11/15/2024] [Indexed: 11/27/2024] Open
Abstract
BACKGROUND Cellular iron metabolism is essential for maintaining various biological processes in organisms, and this is influenced by the function of iron-responsive element-binding protein 2 (IRP2), encoded by the IREB2 gene. Since 2019, three cases of a genetic neurodegenerative syndrome resulting from compound heterozygous mutations in IREB2 have been documented, highlighting the crucial role of IRP2 in regulating iron metabolism homeostasis. This study aims to investigate the molecular basis in a single proband born to non-consanguineous healthy parents, presenting with severe psychomotor developmental abnormalities and microcytic anemia. METHODS Trio-whole exome sequencing (WES) was applied to identify the disease-causing gene in an 8-month-old male patient from China. In silico tools were used to predict the pathogenicity of the identified variants, and in vitro functional studies were performed to evaluate the molecular mechanism. RESULTS WES identified novel biallelic variants, c.1111 A > G (P.Ile371Val) and c.2477 A > T (P.Asp826Val), in the IREB2 gene, which encodes the iron metabolism-related protein, IRP2. Functional studies revealed that c.2477 A > T resulted in a significant degradation of IRP2, which led to the misregulation of intracellular ferric iron. CONCLUSIONS We report the identification of the first functional domain associated with the degradation of IRP2. The biallelic variants that affect protein degradation likely underlie the pathogenesis of the IRP2-related neurodegenerative disorder. Moreover, the use of proteasome inhibitors can potentially restore the expression of IRP2, highlighting a promising therapeutic target for patients with IRP2deficiency.
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Affiliation(s)
- Zhenglong Guo
- Henan Provincial Key Laboratory of Genetic Diseases and Functional Genomics, Medical Genetics Institute of Henan Province, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450000, China.
- School of Medicine, People's Hospital of Henan University, Henan University, Zhengzhou, 450000, China.
| | - Dawei Huo
- Bone Marrow Transplantation Center of The First Affiliated Hospital & Liangzhu Laboratory, Institute of Hematology, Zhejiang Province Engineering Research Center for Stem Cell and Immunity Therapy, Zhejiang University School of Medicine, Zhejiang University, Hangzhou, 310003, China
| | - Yingying Shao
- The First Affiliated Hospital of Zhengzhou University School, Zhengzhou, 450000, China
| | - Wenke Yang
- Henan Provincial Key Laboratory of Genetic Diseases and Functional Genomics, Medical Genetics Institute of Henan Province, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450000, China
- School of Medicine, People's Hospital of Henan University, Henan University, Zhengzhou, 450000, China
| | - Jinming Wang
- Henan Provincial Key Laboratory of Genetic Diseases and Functional Genomics, Medical Genetics Institute of Henan Province, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450000, China
- School of Medicine, People's Hospital of Henan University, Henan University, Zhengzhou, 450000, China
| | - Yuwei Zhang
- Henan Provincial Key Laboratory of Genetic Diseases and Functional Genomics, Medical Genetics Institute of Henan Province, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450000, China
- School of Medicine, People's Hospital of Henan University, Henan University, Zhengzhou, 450000, China
| | - Hai Xiao
- Henan Provincial Key Laboratory of Genetic Diseases and Functional Genomics, Medical Genetics Institute of Henan Province, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450000, China
- School of Medicine, People's Hospital of Henan University, Henan University, Zhengzhou, 450000, China
| | - Bingtao Hao
- Henan Provincial Key Laboratory of Genetic Diseases and Functional Genomics, Medical Genetics Institute of Henan Province, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450000, China.
- Department of Immunology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, China.
- Henan Eye Institute, Henan Academy of Innovations in Medical Science, Zhengzhou, Henan, 450000, China.
| | - Shixiu Liao
- Henan Provincial Key Laboratory of Genetic Diseases and Functional Genomics, Medical Genetics Institute of Henan Province, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450000, China.
- School of Medicine, People's Hospital of Henan University, Henan University, Zhengzhou, 450000, China.
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Parlak G, Aksu MD, Gümrük F, Ünal Ş. Single-center experience of four cases with iron-refractory iron deficiency anemia (IRIDA). Turk J Pediatr 2024; 66:658-665. [PMID: 39582459 DOI: 10.24953/turkjpediatr.2024.4522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 09/30/2024] [Indexed: 11/26/2024]
Abstract
BACKGROUND Iron refractory iron deficiency anemia (IRIDA) is a rare autosomal recessive type of anemia characterized by unresponsiveness to oral iron therapy and partial response to parenteral iron therapy. In this article, we report the clinical presentation of four patients with IRIDA admitted to our clinic, including their laboratory values at admission and after oral and parenteral iron treatment, and the analysis of their mutation(s) in TMPRSS6 gene. CASE Four patients from different families, aged between 3 and 14 years, two girls and two boys, two of whom were from consanguineous marriages, who were diagnosed with iron deficiency anemia in primary health care institutions and referred to our clinic because of inadequate response to oral iron treatment were included. Patients were evaluated for the differential diagnosis of microcytic, hypochromic anemia and investigated for the etiology of IDA. Homozygous or compound heterozygous mutations causing defective matriptase-2 protein expression were detected in the TMPRSS6 gene; these mutations included four frameshift mutations-two of which were the same in two cases and causing premature terminal stop codons-and a nonsense mutation, all of which were previously demonstrated in the literature. The response to parental iron therapy ranged from complete non-response to mild to good response in hemoglobin levels, but none of the patients showed improvement in iron parameters. CONCLUSIONS Increased awareness of IRIDA and keeping it in mind in the differential diagnosis in the presence of hypochromic microcytic anemia that does not respond to iron treatment will be crucial in improving the diagnosis and treatment of the disease and ultimately enhancing the quality of care for affected individuals.
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Affiliation(s)
- Gülin Parlak
- Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Türkiye
| | - Muhammed Doğukan Aksu
- Faculty of Medicine, Hacettepe University, Ankara, Türkiye
- Department of Basic Oncology, Cancer Institute, Hacettepe University, Ankara, Türkiye
| | - Fatma Gümrük
- Department of Pediatric Hematology, Faculty of Medicine, Hacettepe University, Ankara, Türkiye
| | - Şule Ünal
- Department of Pediatric Hematology, Faculty of Medicine, Hacettepe University, Ankara, Türkiye
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42
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Lin ES, Dutson U, Jensen DM. Low Rates of Diagnosis and Treatment of Iron Deficiency Anemia After an Acute Severe Gastrointestinal Hemorrhage. RESEARCH SQUARE 2024:rs.3.rs-5307617. [PMID: 39606431 PMCID: PMC11601834 DOI: 10.21203/rs.3.rs-5307617/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2024]
Abstract
Background Few studies report about management of iron deficiency anemia after a severe, acute gastrointestinal bleed. Most include good risk patients with upper gastrointestinal bleeds and report only laboratory improvements but not clinical outcomes. Aims To assess management of iron deficiency anemia and clinical outcomes of patients after a severe, acute gastrointestinal bleed from either upper or lower sources in an unselected group of patients. Methods Retrospective analysis of adult patients hospitalized with severe gastrointestinal bleeding in two referral centers. They had endoscopic diagnoses of lesions including non-variceal upper, variceal, and lower sites (diverticulosis or other colon sources). Analyses were of rates of iron studies ordered and iron treatments up to 4 months post discharge. Composite clinical outcomes were also assessed and analyzed. Results For 337 patients studied, iron studies were ordered in only 50%. When tested, iron deficiency was diagnosed in 75% of anemias. Intravenous iron or oral iron was prescribed in only 7.1% and 26.7% of patients respectively. By 4 months, 94% of patients treated with intravenous iron and 80% treated with oral iron achieved ≥ 2 g/dL increase in hemoglobin level. Patients with high rates of severe comorbidities and severe anemia had poorer clinical outcomes than others with severe anemia and less comorbidity. Conclusions Despite significant anemia after a severe gastrointestinal bleed from common diagnoses, iron studies were not routinely ordered. Iron deficiency anemia was infrequently recognized or treated with iron therapies. Patients with severe co-morbidities and anemia after an acute gastrointestinal bleed had poor clinical outcomes.
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Affiliation(s)
| | - Usah Dutson
- VA GI Hemostasis Research Unit at West Los Angeles VA Medical Center
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Blanco Sánchez A, Parra Virto E, Martínez-López J, Zamanillo Herreros I. Anemia ferropénica. Enfermedades por depósito de hierro. MEDICINE - PROGRAMA DE FORMACIÓN MÉDICA CONTINUADA ACREDITADO 2024; 14:1234-1242. [DOI: 10.1016/j.med.2024.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2025]
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Dentand AL, Schubert MG, Krayenbuehl PA. Current iron therapy in the light of regulation, intestinal microbiome, and toxicity: are we prescribing too much iron? Crit Rev Clin Lab Sci 2024; 61:546-558. [PMID: 38606523 DOI: 10.1080/10408363.2024.2331477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 01/26/2024] [Accepted: 03/13/2024] [Indexed: 04/13/2024]
Abstract
Iron deficiency is a widespread global health concern with varying prevalence rates across different regions. In developing countries, scarcity of food and chronic infections contribute to iron deficiency, while in industrialized nations, reduced food intake and dietary preferences affect iron status. Other causes that can lead to iron deficiency are conditions and diseases that result in reduced intestinal iron absorption and blood loss. In addition, iron absorption and its bioavailability are influenced by the composition of the diet. Individuals with increased iron needs, including infants, adolescents, and athletes, are particularly vulnerable to deficiency. Severe iron deficiency can lead to anemia with performance intolerance or shortness of breath. In addition, even without anemia, iron deficiency leads to mental and physical fatigue, which points to the fundamental biological importance of iron, especially in mitochondrial function and the respiratory chain. Standard oral iron supplementation often results in gastrointestinal side effects and poor compliance. Low-dose iron therapy seems to be a valid and reasonable therapeutic option due to reduced hepatic hepcidin formation, facilitating efficient iron resorption, replenishment of iron storage, and causing significantly fewer side effects. Elevated iron levels influence gut microbiota composition, favoring pathogenic bacteria and potentially disrupting metabolic and immune functions. Protective bacteria, such as bifidobacteria and lactobacilli, are particularly susceptible to increased iron levels. Dysbiosis resulting from iron supplementation may contribute to gastrointestinal disorders, inflammatory bowel disease, and metabolic disturbances. Furthermore, gut microbiota alterations have been linked to mental health issues. Future iron therapy should consider low-dose supplementation to mitigate adverse effects and the impact on the gut microbiome. A comprehensive understanding of the interplay between iron intake, gut microbiota, and human health is crucial for optimizing therapeutic approaches and minimizing potential risks associated with iron supplementation.
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Affiliation(s)
- Anaëlle L Dentand
- Department of Endocrinology, Diabetology and Clinical Nutrition, University Hospital of Zurich, Zurich, Switzerland
| | - Morton G Schubert
- Department of Endocrinology, Diabetology and Clinical Nutrition, University Hospital of Zurich, Zurich, Switzerland
| | - Pierre-Alexandre Krayenbuehl
- Department of Endocrinology, Diabetology and Clinical Nutrition, University Hospital of Zurich, Zurich, Switzerland
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Lauer JM, Bhaise S, Dhurde V, Gugel A, Shah M, Hibberd PL, Patel A, Locks LM. Maternal Anemia during Pregnancy and Infant Birth Outcomes: A Prospective Cohort Study in Eastern Maharashtra, India. Curr Dev Nutr 2024; 8:104476. [PMID: 39559722 PMCID: PMC11570827 DOI: 10.1016/j.cdnut.2024.104476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 10/01/2024] [Accepted: 10/05/2024] [Indexed: 11/20/2024] Open
Abstract
Background Anemia during pregnancy may be associated with poor infant outcomes, although its consequences may vary based on etiology and timing. Objectives We examined the associations between anemia and anemia-related biomarkers during pregnancy and infant outcomes [birthweight, gestational age at birth, birthweight-for-gestational age percentile, and infant hemoglobin (Hb) at 6 wk of age] in Nagpur, Eastern Maharashtra, India. Methods We conducted a prospective cohort study of 200 pregnant women. In the first trimester, venous blood was collected to assess Hb via cyanmethemoglobin analysis, micronutrient status (ferritin, vitamin B12, and folate), and inflammation (C-reactive protein). Hb was also assessed in capillary samples using a hemoglobinometer in the first and third trimesters for mothers and at 6 wk for infants. Associations were assessed using generalized linear models controlling for background characteristics. Results In the first trimester, high (compared with normal) venous Hb was significantly associated with lower gestational age at birth [β: -1.0 wk, 95% confidence interval (CI): -1.9, -0.2] and higher birthweight-for-gestational age percentile (β: 20.1, 95% CI: 9.0, 31.2). Mild anemia, moderate anemia, and high (compared with normal) capillary Hb were significantly associated with lower birthweight (β: -147.7 g, 95% CI: -243.4, -51.7; β: -77.7 g, 95% CI: -123.9, -31.4; and β: -236.0 g, 95% CI: -478.0, -48.1) and birthweight-for-gestational age percentile (β: -7.3, 95% CI: -13.7, -0.9; β: -8.4, 95% CI: -14.1, -2.8; and β: -8.9, 95% CI: -15.9, -1.9). Higher serum ferritin was significantly associated with higher birthweight (β: 2.0 g, 95% CI: 0.1, 3.9) and gestational age at birth (β: 0.01 wk, 95% CI: 0.00, 0.01). In the third trimester, mild anemia was significantly associated with lower gestational age at birth (β: -0.5 wk, 95% CI: -0.7, -0.3). Conclusions Associations between maternal anemia during pregnancy and infant outcomes were mixed indicating further studies are needed to better understand these relationships.
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Affiliation(s)
- Jacqueline M Lauer
- Department of Health Sciences, Sargent College of Health & Rehabilitation Sciences, Boston University, Boston, MA, United States
| | - Shilpa Bhaise
- Lata Medical Research Foundation, Nagpur, Maharashtra, India
| | - Varsha Dhurde
- Lata Medical Research Foundation, Nagpur, Maharashtra, India
| | - Abigail Gugel
- Department of Global Health, School of Public Health, Boston University, Boston, MA, United States
| | - Miloni Shah
- Department of Global Health, School of Public Health, Boston University, Boston, MA, United States
| | - Patricia L Hibberd
- Department of Global Health, School of Public Health, Boston University, Boston, MA, United States
- School of Medicine, Boston University, Boston, MA, United States
| | - Archana Patel
- Lata Medical Research Foundation, Nagpur, Maharashtra, India
- Datta Meghe Institute of Medical Sciences, Sawangi, Maharashtra, India
| | - Lindsey M Locks
- Department of Health Sciences, Sargent College of Health & Rehabilitation Sciences, Boston University, Boston, MA, United States
- Department of Global Health, School of Public Health, Boston University, Boston, MA, United States
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Suhaimi NA, Loh SP, Ab Manan N, Zalbahar N, Mohamad Alwi MN, Ahmad Fuzi SF. An 8-Week Vitamin D3-Fortified Fruit Drink Supplementation Increases Serum Ferritin Concentration: A Randomized Controlled Trial in Malaysian Women With Low Iron Stores. J Acad Nutr Diet 2024; 124:1440-1450.e1. [PMID: 38408566 DOI: 10.1016/j.jand.2024.02.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 02/06/2024] [Accepted: 02/21/2024] [Indexed: 02/28/2024]
Abstract
BACKGROUND There is limited randomized controlled trial evidence to support the association between vitamin D deficiency and anemia risk, highlighting the necessity for further investigations into the role of vitamin D in influencing iron status. OBJECTIVE The aim of this study was to determine the effect of vitamin D3-fortified fruit drink consumption (4,000 IU) on vitamin D and iron status biomarkers among iron-deficient women (serum ferritin of <20 μg/L [to convert μg/L ferritin to ng/mL, multiply by 1]). DESIGN An 8-week double-blind randomized controlled trial was conducted. SUBJECTS/SETTING A total of 45 healthy, nonpregnant, nonlactating subjects aged 18 through 40 years (mean [SD] 25.3 [4.6] years) were included in the study, excluding those who donated blood 6 months prior, regularly consumed nutritional supplements, or had gastrointestinal or iron metabolic disorders. INTERVENTION Subjects were randomly assigned to receive either vitamin D3-fortified fruit drink or a placebo. MAIN OUTCOME MEASURES Measurements of 25-hydroxyvitamin D (25[OH]D), serum ferritin, high-sensitivity C-reactive protein, and full blood count concentrations were obtained at baseline, interim, and post intervention. STATISTICAL ANALYSES A mixed model, repeated measures analysis of variance was used to analyze the intervention effect. RESULTS Attrition rate for the study was 13%, with 6 dropouts, and 39 subjects completed the study. Daily consumption of vitamin D3-fortified fruit drink in the intervention group resulted in significant increases in 25(OH)D and serum ferritin concentrations compared with the placebo group. The intervention group showed significantly higher mean (SD) changes (Δ) in both 25(OH)D (Δ 76.4 [30.2] nmol/L [to convert nmol/L 25(OH)D to ng/mL, multiply by .4] vs Δ -1.3 [10.7] nmol/L; P = .001) and serum ferritin concentrations (Δ 2.2 [4.2] μg/L vs Δ -0.3 [3.4] μg/L; P = .048) between baseline and post intervention. The other iron status biomarkers were not affected by the intervention. CONCLUSIONS Our study found that daily vitamin D3-fortified fruit drink supplementation for 8 weeks effectively improved 25(OH)D and iron stores, indicated by increased serum ferritin concentrations, in iron-deficient women. Further research is needed to evaluate its safety, efficacy, feasibility, and optimal food fortification in diverse populations.
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Affiliation(s)
- Nursyafiqah Aqilah Suhaimi
- Department of Nutrition, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Selangor, Malaysia
| | - Su Peng Loh
- Department of Nutrition, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Selangor, Malaysia
| | - Norhafizah Ab Manan
- Department of Community Medicine, Faculty of Medicine, University of Cyberjaya, Selangor, Malaysia
| | - Nurzalinda Zalbahar
- Department of Nutrition, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Selangor, Malaysia
| | | | - Salma Faeza Ahmad Fuzi
- Department of Nutrition, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Selangor, Malaysia.
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Jo E, Kim HJ, Kim J, Yoo TH, Kim Y, Kim SW, Oh KH, Seong EY, Song SH. The association between transferrin saturation and all-cause mortality in chronic kidney disease: findings from Korean Cohort Study for Outcome in Patients with Chronic Kidney Disease. Kidney Res Clin Pract 2024; 43:785-796. [PMID: 38934042 PMCID: PMC11615453 DOI: 10.23876/j.krcp.23.278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 12/18/2023] [Accepted: 01/06/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND Transferrin saturation (TSAT) has been used as an indicator of iron deficiency. However, there is no consensus regarding its optimal range for patient with chronic kidney disease (CKD). We aimed to analyze the effect of TSAT on the prognosis of patients with non-dialysis CKD (NDCKD). METHODS From 2011 to 2016, 2157 NDCKD patients with baseline TSAT measurements were followed for 10 years. Patients were divided into three groups based on baseline TSAT values: <25%, ≥25% and <45%, and ≥45%. All-cause mortality and 4-point major adverse cardiovascular events (MACE) were analyzed using multivariable Cox regression analysis. Other iron biomarkers and mortality were also analyzed. RESULTS During a mean follow-up of 7.1 ± 2.9 years, 182 of a total of 2,157 patients (8.4%) died. Compared with the TSAT ≥25% and <45% group, the TSAT <25% group showed significantly increased all-cause mortality (hazard ratio [HR], 1.44; 95% confidence interval (CI), 1.02-2.03; p = 0.04). The occurrence of 4-point MACE was significantly increased in univariable analysis in the TSAT <25% group (HR, 1.48; 95% CI, 1.02-2.15; p = 0.04), but it was not significant in the multivariable analysis (HR, 1.38; 95% CI, 0.89-2.15; p = 0.15). Tertile comparisons of the iron-to-log-ferritin ratio showed increased mortality in the first tertile group. CONCLUSION TSAT <25% is an independent risk factor for all-cause mortality in patients with NDCKD and care should be taken to prevent TSAT values of <25%. Other indicators, such as serum iron and iron-to-log-ferritin ratio, may also be used to assess iron deficiency.
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Grants
- 2011E3300300, 2012E3301100, 2013E3301600, 2013E 3301601, 2013E3301602, 2016E3300200, 2016E3300201, 2016E3300202,2019E320100, 2019E320101, 2019E320102, 2022-11-007 Korea Disease Control and Prevention Agency
- 202310510001 Pusan National University
- RS-2023-00223764 National Research Foundation of Korea
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Affiliation(s)
- Eunmi Jo
- Department of Internal Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
| | - Hyo Jin Kim
- Department of Internal Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
- Department of Internal Medicine, Pusan National University School of Medicine, Yangsan, Korea
| | - Jayoun Kim
- Medical Research Collaborating Center, Seoul National University Hospital, Seoul, Republic of Korea
| | - Tae-Hyun Yoo
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Republic of Korea
| | - Yaeni Kim
- Department of Internal Medicine, Seoul St Mary‘s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Soo Wan Kim
- Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Kook-Hwan Oh
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Kidney Research Institute, Seoul National University Medical Research Center, Seoul, Korea
| | - Eun Young Seong
- Department of Internal Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
- Department of Internal Medicine, Pusan National University School of Medicine, Yangsan, Korea
| | - Sang Heon Song
- Department of Internal Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
- Department of Internal Medicine, Pusan National University School of Medicine, Yangsan, Korea
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Carmona ER, Rojo C, Vergara Carmona V. Nanomaterial-Based Biofortification: Potential Benefits and Impacts of Crops. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:23645-23670. [PMID: 39432886 DOI: 10.1021/acs.jafc.4c05079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2024]
Abstract
Nanomaterials (NMs) have shown relevant impacts in crop protection, improvement of yields, and minimizing collateral side effects of fertilizer and pesticides in vegetable and fruit production. The application of NMs to improve biofortification has gained much attention in the last five years, offering a hopeful and optimistic outlook. Thus, we propose comprehensively revising the scientific literature about the use of NMs in the agronomic biofortification of crops and analyzing the beneficial impact of the use of NMs. The results indicated that different species of plants were biofortified with essential elements and macronutrients after the applications of Zn, Fe, Se, nanocomposites, and metalloid NPs. In addition, the physiological performances, antioxidant compounds, and yields were improved with NMs. Using nanofertilizers for the biofortification of crops can be considered a promising method to deliver micronutrients for plants with beneficial impacts on human health, the environment, and agriculture.
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Affiliation(s)
- Erico R Carmona
- Facultad de Recursos Naturales Renovables, Laboratorio de Bionanomateriales, Universidad Arturo Prat, Av. Arturo Prat s/n, Campus Huayquique, Iquique 1100000, Chile
- Núcleo de Investigación Aplicada e Innovación en Ciencias Biológicas, Facultad de Recursos Naturales Renovables, Universidad Arturo Prat, Av. Arturo Prat s/n, Campus Huayquique, Iquique 1100000, Chile
| | - Cynthia Rojo
- Facultad de Recursos Naturales Renovables, Laboratorio de Bionanomateriales, Universidad Arturo Prat, Av. Arturo Prat s/n, Campus Huayquique, Iquique 1100000, Chile
- Facultad de Recursos Naturales Renovables, Programa de Magíster en Biotecnología, Universidad Arturo Prat, Av. Arturo Prat s/n, Campus Huayquique, Iquique 1100000, Chile
| | - Víctor Vergara Carmona
- Facultad de Recursos Naturales Renovables, Laboratorio de Bionanomateriales, Universidad Arturo Prat, Av. Arturo Prat s/n, Campus Huayquique, Iquique 1100000, Chile
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Chaber R, Helwich E, Lauterbach R, Mastalerz-Migas A, Matysiak M, Peregud-Pogorzelski J, Styczyński J, Szczepański T, Jackowska T. Diagnosis and Treatment of Iron Deficiency and Iron Deficiency Anemia in Children and Adolescents: Recommendations of the Polish Pediatric Society, the Polish Society of Pediatric Oncology and Hematology, the Polish Society of Neonatology, and the Polish Society of Family Medicine. Nutrients 2024; 16:3623. [PMID: 39519457 PMCID: PMC11547346 DOI: 10.3390/nu16213623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2024] [Revised: 10/11/2024] [Accepted: 10/16/2024] [Indexed: 11/16/2024] Open
Abstract
Background/Objectives. Iron deficiency is one of the most common nutritional deficiencies worldwide and is the leading cause of anemia in the pediatric population (microcytic, hypochromic anemia due to iron deficiency). Moreover, untreated iron deficiency can lead to various systemic consequences and can disrupt the child's development. Methods/Results. Therefore, a team of experts from the Polish Pediatric Society, the Polish Society of Pediatric Oncology and Hematology, the Polish Neonatology Society, and the Polish Society of Family Medicine, based on a review of the current literature, their own clinical experience, and critical discussion, has developed updated guidelines for the diagnosis, prevention, and treatment of iron deficiency in children from birth to 18 years of age. These recommendations apply to the general population and do not take into account the specifics of individual conditions and diseases.
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Affiliation(s)
- Radosław Chaber
- Department of Pediatrics, Institute of Medical Sciences, University of Rzeszow, 35-310 Rzeszow, Poland
- Clinic of Pediatric Oncology and Hematology, State Hospital 2, 35-301 Rzeszow, Poland
| | - Ewa Helwich
- Department of Neonatology and Neonatal Intensive Care, Institute of Mother and Child, 04-370 Warsaw, Poland;
| | - Ryszard Lauterbach
- Clinic of Neonatology, Department of Gynecology and Obstetrics, Jagiellonian University Hospital, 31-501 Cracow, Poland;
| | | | - Michał Matysiak
- Department of Oncology, Children’s Hematology, Clinical Transplantology and Pediatrics, University Clinical Center, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Jarosław Peregud-Pogorzelski
- Department of Pediatrics, Oncology and Pediatric Immunology, Pomeranian Medical University, 70-204 Szczecin, Poland;
| | - Jan Styczyński
- Department of Pediatric Haematology and Oncology, Collegium Medicum, Nicolaus Copernicus University Torun, Jurasz University Hospital 1, 85-094 Bydgoszcz, Poland;
| | - Tomasz Szczepański
- Department of Pediatric Haematology and Oncology, Medical University of Silesia, 41-800 Katowice, Poland;
| | - Teresa Jackowska
- Department of Pediatrics, Centre of Postgraduate Medical Education, 01-809 Warsaw, Poland;
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50
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Ćuk A, Rumora L, Mikulić I, Penava N, Cvetković I, Pušić A, Mikulić V, Ljubić K, Tomić V. Serum concentration of ferroportin in women of reproductive age. Biochem Med (Zagreb) 2024; 34:030701. [PMID: 39171088 PMCID: PMC11334195 DOI: 10.11613/bm.2024.030701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 05/06/2024] [Indexed: 08/23/2024] Open
Abstract
Introduction Ferroportin (Fpn) is the only known iron exporter and plays an essential role in iron homeostasis. Serum concentrations of Fpn in health and/or diseased states are still mostly unknown. Therefore, the aim of this study was to determine the concentration of Fpn in the serum of women of reproductive age (WRA) for the first time, and to establish whether there is a difference in the concentration of Fpn according to ferritin status. Materials and methods This research included 100 WRA (18-45 years, C-reactive protein (CRP) < 5 mg/L, hemoglobin > 120 g/L). Serum Fpn was measured using Enzyme Linked Immunosorbent Assay (ELISA) method on the analyzer EZ Read 800 Plus (Biochrom, Cambridge, UK). Reference interval was calculated using the robust method. Results The median concentration of Fpn in the whole study group was 9.74 (5.84-15.69) µg/L. The subgroup with ferritin concentration > 15 µg/L had a median Fpn concentration 15.21 (10.34-21.93) µg/L, which significantly differed from Fpn concentration in the subgroup with ferritin concentration ≤ 15 µg/L (5.93 (4.84-8.36) µg/L, P < 0.001). The reference limits for the Fpn were 2.26-29.81 µg/L with 90% confidence intervals (CI) of 1.78 to 2.83 and 25.37 to 34.33, respectively. Conclusions The proposed reference interval could help in the future research on iron homeostasis both in physiological conditions and in various disorders, because this is the first study that measured Fpn concentration in a certain gender and age group of a healthy population.
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Affiliation(s)
- Ana Ćuk
- Department of Laboratory Diagnostics, Clinical Hospital Centre Mostar, Mostar, Bosnia and Herzegovina
- School of Medicine, University of Mostar, Mostar, Bosnia and Herzegovina
| | - Lada Rumora
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia
| | - Ivanka Mikulić
- Department of Laboratory Diagnostics, Clinical Hospital Centre Mostar, Mostar, Bosnia and Herzegovina
- School of Medicine, University of Mostar, Mostar, Bosnia and Herzegovina
| | - Nikolina Penava
- Department of Obstetrics and Gynecology, Clinical Hospital Centre Mostar, Mostar, Bosnia and Herzegovina
| | - Ivona Cvetković
- Department of Laboratory Diagnostics, Clinical Hospital Centre Mostar, Mostar, Bosnia and Herzegovina
- School of Medicine, University of Mostar, Mostar, Bosnia and Herzegovina
| | - Ante Pušić
- Department of Laboratory Diagnostics, Clinical Hospital Centre Mostar, Mostar, Bosnia and Herzegovina
- School of Medicine, University of Mostar, Mostar, Bosnia and Herzegovina
| | - Vinka Mikulić
- Department of Laboratory Diagnostics, Clinical Hospital Centre Mostar, Mostar, Bosnia and Herzegovina
- School of Medicine, University of Mostar, Mostar, Bosnia and Herzegovina
| | - Kristina Ljubić
- Department of Laboratory Diagnostics, Clinical Hospital Centre Mostar, Mostar, Bosnia and Herzegovina
- School of Medicine, University of Mostar, Mostar, Bosnia and Herzegovina
| | - Vajdana Tomić
- Department of Obstetrics and Gynecology, Clinical Hospital Centre Mostar, Mostar, Bosnia and Herzegovina
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