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Whitaker M, Rodrigues S, Cooke G, Virlon B, Donnelly CA, Ward H, Elliott P, Chadeau-Hyam M. How COVID-19 affected academic publishing: a 3-year study of 17 million research papers. Int J Epidemiol 2025; 54:dyaf058. [PMID: 40421615 PMCID: PMC12107239 DOI: 10.1093/ije/dyaf058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Accepted: 04/30/2025] [Indexed: 05/28/2025] Open
Abstract
BACKGROUND The COVID-19 pandemic induced an unprecedented response from the scientific research community. Previous studies have described disruption of the norms of academic publishing during this time. This study uses an epidemiological statistical toolkit alongside machine-learning methods to investigate the functioning of the scientific information-generation and -consumption ecosystem throughout the pandemic. METHODS A dataset of 17 million scientific research papers that were published between January 2019 and December 2022 was analysed. Data on citations and Altmetrics were harvested, and topic modelling was applied to abstracts. COVID-19-related articles were identified from title text. We investigated publication dynamics, correlations between citation metrics and Altmetrics, rates of publication in preprints, and temporal trends in topics, and compared these metrics in COVID-19 papers vs non-COVID-19 papers. RESULTS Throughout 2020-2, 3.7% of English-language research output was on the topic of COVID-19. Journal articles on COVID-19 were published at a consistent rate during this period, while preprints peaked in early 2020 and decreased thereafter. COVID-19 preprints had lower publication rates in the peer-reviewed literature than other preprints, particularly those that were preprinted during early 2020. COVID-19 research received significantly more media and social media attention than non-COVID-19 research, and preprints received more attention, on average, than journal articles, with attention peaking during the initial wave and subsequent peaks corresponding to the emergence of novel variants. COVID-19 articles exhibited a higher correlation between Altmetrics and citation metrics compared with non-COVID-19 publications, suggesting a strong alignment between scientific and public attention. CONCLUSION This study provides a comprehensive description of the rapid expansion of COVID-19 research, revealing evolving research areas and waxing and waning public interest across different topics. Preprints played an important role in disseminating scientific findings, but the level of coverage of preprinted findings emphasizes the need for guidelines in handling preprint research in media, particularly during a pandemic.
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Affiliation(s)
- Matthew Whitaker
- School of Public Health, Imperial College London, London, UK
- MRC Centre for Environment and Health, Imperial College London, London, UK
| | - Sabrina Rodrigues
- School of Public Health, Imperial College London, London, UK
- MRC Centre for Environment and Health, Imperial College London, London, UK
| | - Graham Cooke
- Imperial College Healthcare NHS Trust, London, UK
- Department of Infectious Disease, Imperial College London, London, UK
- National Institute for Health Research Imperial Biomedical Research Centre, London, UK
| | | | - Christl A Donnelly
- School of Public Health, Imperial College London, London, UK
- Department of Statistics, University of Oxford, St Giles’, Oxford, UK
- Pandemic Sciences Institute, University of Oxford, Oxford, UK
| | - Helen Ward
- School of Public Health, Imperial College London, London, UK
- Imperial College Healthcare NHS Trust, London, UK
- National Institute for Health Research Imperial Biomedical Research Centre, London, UK
- MRC Centre for Global Infectious Disease Analysis and Jameel Institute, Imperial College London, London, UK
| | - Paul Elliott
- School of Public Health, Imperial College London, London, UK
- MRC Centre for Environment and Health, Imperial College London, London, UK
- Imperial College Healthcare NHS Trust, London, UK
- National Institute for Health Research Imperial Biomedical Research Centre, London, UK
- Health Data Research (HDR) UK London at Imperial College, London, UK
- UK Dementia Research Institute at Imperial College, London, UK
| | - Marc Chadeau-Hyam
- School of Public Health, Imperial College London, London, UK
- MRC Centre for Environment and Health, Imperial College London, London, UK
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Li X, Su J, Han J, Li H, Yao W, Ding R, Zhang C. Coronavirus disease-2019 and orthopedics: A bibliometric analysis of the literature. Medicine (Baltimore) 2024; 103:e37714. [PMID: 38608113 PMCID: PMC11018195 DOI: 10.1097/md.0000000000037714] [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: 02/25/2023] [Accepted: 03/04/2024] [Indexed: 04/14/2024] Open
Abstract
BACKGROUND The coronavirus disease-2019 (COVID-19) pandemic has had a dramatic impact on global health, with orthopedics among the most affected specialties. An increasing number of COVID-19-related orthopedic studies have been published. The purpose of this study was to analyze the orthopedic literature published during the COVID-19 pandemic to guide future research. METHODS The Scopus database was searched for relevant literature published between 2020 and 2022. The keywords used in the retrieval process were ("COVID-19" OR "Coronavirus" OR "2019-nCoV" OR "SARS-CoV-2" OR "Betacoronavirus" OR "novel coronavirus 2019" OR "novel coronavirus" OR "coronavirus-19" OR "COVID 19" OR "nCOV" OR "COVID-2019" OR "COVID 2019") and ("orthopedic" OR "orthopedics" OR "orthopedic" OR "orthopedical" OR "orthopedical" OR "orthopedics"). Spreadsheet software (Excel, Microsoft Corp., Redmond, WA) was used to analyze the top 10 cited authors, countries, journals, and articles. The top 5 publication types were also analyzed. VOSviewer (Center for Science and Technology Studies, Leiden, Netherlands) was used to network and visualize the literature. RESULTS A total of 1619 publications relevant to COVID-19 and orthopedics were reviewed. Among these publications, the most active country, author, and publication type included the United States, Vaishya R, and original articles, respectively. The most frequently used keywords were human, coronavirus disease-2019, pandemic, and orthopedics. The Journal of Bone and Joint Surgery American Volume was the most cited journal, whereas the greatest number of articles was published in the Journal of Clinical Orthopedics and Trauma. CONCLUSIONS This study provides a perspective on the development of orthopedic publications during the COVID-19 pandemic and evidence for researchers worldwide to strengthen global cooperation in fighting the epidemic.
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Affiliation(s)
- Xiaobo Li
- Department of Orthopedics, General Hospital of Central Theater Command of PLA, Wuhan, China
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Jixian Su
- Department of Orthopedics, General Hospital of Central Theater Command of PLA, Wuhan, China
- Clinical Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Jing Han
- Department of Orthopedics, General Hospital of Central Theater Command of PLA, Wuhan, China
| | - Hanlin Li
- Department of Orthopedics, General Hospital of Central Theater Command of PLA, Wuhan, China
- Clinical Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Wenhao Yao
- Department of Orthopedics, General Hospital of Central Theater Command of PLA, Wuhan, China
- Clinical Medicine, Wuhan University of Science and Technology, Wuhan, China
| | - Ran Ding
- Department of Orthopedics, General Hospital of Central Theater Command of PLA, Wuhan, China
| | - Chen Zhang
- Department of Orthopedics, General Hospital of Central Theater Command of PLA, Wuhan, China
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Chatterton B, Ascher SB, Duan N, Kravitz RL. Does haste make waste? Prevalence and types of errors reported after publication of studies of COVID-19 therapeutics. Syst Rev 2023; 12:216. [PMID: 37968691 PMCID: PMC10652527 DOI: 10.1186/s13643-023-02381-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 10/26/2023] [Indexed: 11/17/2023] Open
Abstract
BACKGROUND The COVID-19 pandemic spurred publication of a rapid proliferation of studies on potential therapeutic agents. While important for the advancement of clinical care, pressure to collect, analyze, and report data in an expedited manner could potentially increase the rate of important errors, some of which would be captured in published errata. We hypothesized that COVID-19 therapeutic studies published in the early years of the pandemic would be associated with a high rate of published errata and that, within these errata, there would be a high prevalence of serious errors. METHODS We performed a review of published errata associated with empirical studies of COVID-19 treatments. Errata were identified via a MEDLINE and Embase search spanning January 2020 through September 2022. Errors located within each published erratum were characterized by location within publication, error type, and error seriousness. RESULTS Of 47 studies on COVID-19 treatments with published errata, 18 met inclusion criteria. Median time from publication of the original article to publication of the associated erratum was 76 days (range, 12-511 days). A majority of errata addressed issues with author attribution or conflict of interest disclosures (39.5%) or numerical results (25.6%). Only one erratum contained a serious error: a typographical error which could have misled readers into believing that the treatment in question had serious adverse effects when in fact it did not. CONCLUSIONS Despite accelerated publication times, we found among studies of COVID-19 treatments the majority of errata (17/18) reported minor errors that did not lead to misinterpretation of the study results. Retractions, an indicator of scientific misdirection even more concerning than errata, were beyond the scope of this review.
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Affiliation(s)
- Brittany Chatterton
- Department of Internal Medicine, University of California, Davis, Sacramento, CA, USA.
- Center for Healthcare Policy and Research, University of California, Davis, Sacramento, CA, USA.
| | - Simon B Ascher
- Department of Internal Medicine, University of California, Davis, Sacramento, CA, USA
| | - Naihua Duan
- Division of Mental Health Data Science, Department of Psychiatry, Columbia University, New York City, NY, USA
| | - Richard L Kravitz
- Department of Internal Medicine, University of California, Davis, Sacramento, CA, USA
- Center for Healthcare Policy and Research, University of California, Davis, Sacramento, CA, USA
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Abstract
With the global spread of the COVID-19 pandemic, scientists from various
disciplines responded quickly to this historical public health emergency. The
sudden boom of COVID-19-related papers in a short period of time may bring
unexpected influence to some commonly used bibliometric indicators. By a
large-scale investigation using Science Citation Index Expanded and Social
Sciences Citation Index, this brief communication confirms the citation
advantage of COVID-19-related papers empirically through the lens of Essential
Science Indicators’ highly cited paper. More than 8% of COVID-19-related papers
published during 2020 and 2021 were selected as Essential Science Indicators
highly cited papers, which was much higher than the set global benchmark value
of 1%. The citation advantage of COVID-19-related papers for different Web of
Science categories/countries/journal impact factor quartiles was also
demonstrated. The distortions of COVID-19-related papers’ citation advantage to
some bibliometric indicators such as journal impact factor were discussed at the
end of this brief communication.
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Affiliation(s)
- Weishu Liu
- School of Information Management and Artificial
Intelligence, Zhejiang University of Finance and Economics, China
| | - Xuping Huangfu
- School of Information Management and Artificial
Intelligence, Zhejiang University of Finance and Economics, China
| | - Haifeng Wang
- Haifeng Wang, School of Business and
Management, Shanghai International Studies University, Shanghai 200083, China.
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Li Y, Tian Y, Pei S, Xie B, Xu X, Wang B. Worldwide Trends in Registering Real-World Studies at ClinicalTrials.gov: A Cross-Sectional Analysis. Int J Gen Med 2023; 16:1123-1136. [PMID: 37007912 PMCID: PMC10065426 DOI: 10.2147/ijgm.s402478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 03/22/2023] [Indexed: 03/29/2023] Open
Abstract
Objective The purpose of this study was to characterize real-world studies (RWSs) registered at ClinicalTrials.gov to help investigators better conduct relevant research in clinical practice. Methods A retrospective analysis of 944 studies was performed on February 28, 2023. Results A total of 944 studies were included. The included studies involved a total of 48 countries. China was the leading country in terms of the total number of registered studies (37.9%, 358), followed by the United States (19.7%, 186). Regarding intervention type, 42.4% (400) of the studies involved drugs, and only 9.1% (86) of the studies involved devices. Only 8.5% (80) of the studies mentioned both the detailed study design type and data source in the "Brief Summary". A total of 49.4% (466) of studies had a sample size of 500 participants and above. Overall, 63% (595) of the studies were single-center studies. A total of 213 conditions were covered in the included studies. One-third of the studies (32.7%, 309) involved neoplasms (or tumors). China and the United States were very different regarding the study of different conditions. Conclusion Although the pandemic has provided new opportunities for RWSs, the rigor of scientific research still needs to be emphasized. Special attention needs to be given to the correct and comprehensive description of the study design in the Brief Summary of registered studies, thereby promoting communication and understanding. In addition, deficiencies in ClinicalTrials.gov registration data remain prominent.
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Affiliation(s)
- Yuanxiao Li
- Department of Pediatric Gastroenterology, Lanzhou University Second Hospital, Lanzhou, People’s Republic of China
| | - Ying Tian
- Department of Clinical Medicine, Lanzhou University Second Hospital, Lanzhou, People’s Republic of China
| | - Shufen Pei
- Department of Clinical Medicine, North Sichuan Medical College, Nanchong, People’s Republic of China
| | - Baoyuan Xie
- Department of Clinical Medicine, Lanzhou University Second Hospital, Lanzhou, People’s Republic of China
| | - Xiaonan Xu
- Department of Pediatric Gastroenterology, Lanzhou University Second Hospital, Lanzhou, People’s Republic of China
| | - Bin Wang
- Department of Infectious Diseases, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
- Correspondence: Bin Wang, 88 Jie Fang Lu, Shangcheng District, Hangzhou, Zhejiang, 310009, People’s Republic of China, Email
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Taros T, Zoppo C, Yee N, Hanna J, MacGinnis C. Retracted Covid-19 articles: significantly more cited than other articles within their journal of origin. Scientometrics 2023; 128:2935-2943. [PMID: 37101974 PMCID: PMC10089824 DOI: 10.1007/s11192-023-04707-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 04/07/2023] [Indexed: 04/28/2023]
Abstract
With the expansion of research volume, coinciding with the age of the internet, the retraction of published papers from scientific journals has become crucial to preserving scientific integrity. Since the beginning of the COVID-19 pandemic, both public and professional interest in scientific literature has grown as people attempt to educate themselves on the virus. The Retraction Watch Database COVID-19 blog was accessed in June and November of 2022 and analyzed to ensure articles met inclusion criteria. Articles were then accessed on Google Scholar and the Scopus database to find number of citations and SJR/CiteScore. The average SJR and CiteScore for a journal that published one of the articles was 1.531 and 7.3 respectively. The retracted articles were cited an average of 44.8 times, which was significantly higher than the average CiteScore (p = 0.01). Between June and November, retracted COVID-19 articles gained a total of 728 new citations, presence of "withdrawn" or "retracted" before article title did not affect citation rates. COPE guidelines for retraction statements were not met for 32% of articles. We believe retracted COVID-19 publications may have been more likely to include bold claims that garnered a disproportionately high amount of attention within the scientific community. Additionally, we found many journals were not forthright with explanations for why articles had been retracted. Retractions could be a tool used to add to the scientific discourse, but currently we are only getting half the data, the what and not the why.
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Affiliation(s)
- Trenton Taros
- University of Massachusetts TH Chan School of Medicine, 55 N Lake Ave, Worcester, MA 01605 USA
| | - Christopher Zoppo
- University of Massachusetts TH Chan School of Medicine, 55 N Lake Ave, Worcester, MA 01605 USA
| | - Nathan Yee
- University of Massachusetts TH Chan School of Medicine, 55 N Lake Ave, Worcester, MA 01605 USA
| | - Jack Hanna
- University of Massachusetts TH Chan School of Medicine, 55 N Lake Ave, Worcester, MA 01605 USA
| | - Christine MacGinnis
- Department of Internal Medicine, University of Massachusetts TH Chan School of Medicine, Worcester, MA USA
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7
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COVID-19 and the scientific publishing system: growth, open access and scientific fields. Scientometrics 2023; 128:345-362. [PMID: 36246788 PMCID: PMC9548429 DOI: 10.1007/s11192-022-04536-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 09/23/2022] [Indexed: 01/25/2023]
Abstract
We model the growth of scientific literature related to COVID-19 and forecast the expected growth from 1 June 2021. Considering the significant scientific and financial efforts made by the research community to find solutions to end the COVID-19 pandemic, an unprecedented volume of scientific outputs is being produced. This questions the capacity of scientists, politicians and citizens to maintain infrastructure, digest content and take scientifically informed decisions. A crucial aspect is to make predictions to prepare for such a large corpus of scientific literature. Here we base our predictions on the Autoregressive Integrated Moving Average (ARIMA) and exponential smoothing models using the Dimensions database. This source has the particularity of including in the metadata information on the date in which papers were indexed. We present global predictions, plus predictions in three specific settings: by type of access (Open Access), by domain-specific repository (SSRN and MedRxiv) and by several research fields. We conclude by discussing our findings. Supplementary Information The online version contains supplementary material available at 10.1007/s11192-022-04536-x.
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8
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The influence of Covid-19 on publications in economics: bibliometric evidence from five working paper series. Scientometrics 2022; 127:5175-5189. [PMID: 35975132 PMCID: PMC9372987 DOI: 10.1007/s11192-022-04473-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 07/08/2022] [Indexed: 11/01/2022]
Abstract
AbstractWe compare Covid-related working papers in economics to non-Covid-related working papers in four dimensions. Based on five well-known working papers series and data from the RePEc website, we find that Covid papers mainly cover topics in macroeconomics and health, they are written by larger teams than non-Covid papers, are more often downloaded and they receive more citations relative to non-Covid papers.
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Lund BD, Wang T, Alenezi A. Bookending a Pandemic and Its Impact on Public Libraries: Policy and Announcement Information Provided by Libraries Throughout the Coronavirus (COVID-19) Response. PUBLIC LIBRARY QUARTERLY 2022. [DOI: 10.1080/01616846.2022.2102844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Brady D. Lund
- College of Information, University of North Texas, Denton, USA
| | - Ting Wang
- School of Library and Information Management, Emporia State University, Emporia, USA
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Roychowdhury K, Bhanja R, Biswas S. Mapping the research landscape of Covid-19 from social sciences perspective: a bibliometric analysis. Scientometrics 2022; 127:4547-4568. [PMID: 35813408 PMCID: PMC9256903 DOI: 10.1007/s11192-022-04447-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 06/20/2022] [Indexed: 11/28/2022]
Abstract
COVID-19 has emerged as a widely researched topic and the academia has taken interest in the effects of COVID-19 in various sectors of human life and society. Most of the bibliometric research addresses scientific contributions in medicine, health, and virology related topics, with very little emphasis on social sciences. Therefore, to address this gap, a bibliometric analysis of research related to COVID-19 in the subject area of social sciences was performed on selected publications from January 2020 to mid-2021. A total of 9289 articles were analysed to identify major emerging themes of Covid-19 and social sciences and how research collaborations between countries have helped in communicating critical issues to academia. The empirical results indicate the dominance of psychology and business economics subjects in the social sciences sphere, with the emerging themes as psychosocial problems among people, economics, the outbreak of SARS, and discussions on the quality of life in terms of surroundings and environment. The study also suggests that more collaborations between social scientists working in different nations is required to explore the less focussed themes addressing the local challenges of poor nations.
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Affiliation(s)
- Koel Roychowdhury
- Department of Geography, Presidency University, Kolkata, West Bengal India
| | - Radhika Bhanja
- Department of Geography, Presidency University, Kolkata, West Bengal India
| | - Sushmita Biswas
- Department of Geography, Presidency University, Kolkata, West Bengal India
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Ali MF. Between panic and motivation: did the first wave of COVID-19 affect scientific publishing in Mediterranean countries? Scientometrics 2022; 127:3083-3115. [PMID: 35694422 PMCID: PMC9173660 DOI: 10.1007/s11192-022-04391-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 04/21/2022] [Indexed: 11/25/2022]
Abstract
Due to the ongoing COVID-19 pandemic that began in the winter of 2020, all communities and activities globally have been positively or negatively affected. This scientometric study raises an interesting question concerning whether the volume and characteristics of scientific publishing in all disciplines in 23 Mediterranean countries have been impacted by the pandemic and whether variations in the cumulative totals of COVID-19 cases have resulted in significant changes in this context. The Scopus database and SciVal tool supplied the necessary data for the years targeted for comparison (2019 and 2020), and the annual growth rates and differences were computed. The study used the Mann-Whitney test to examine the significance of the differences between the two years and the Spearman and Kendall correlation tests to evaluate the effect of the number of infections on these differences for all aspects of scientific performance. The findings demonstrated that the COVID-19 pandemic served as a powerful incentive, and the Mediterranean region experienced considerable differences in the volume and features of publications during this crisis. The most substantial implications were the significant growth from 3.1 to 9.4% in productivity and the increases in the annual growth rates of international collaboration, by 12% for the collaboration among Mediterranean countries and 10% for collaboration with the top ten epidemic countries. It was also proven that some characteristics of the publications were positively correlated with the total number of infections. This investigation can help university leaders and decision-makers in higher education and research institutions in these countries make decisions and implement measures to bridge the gaps and motivate researchers in all fields to conduct more research during this ongoing pandemic. Supplementary Information The online version contains supplementary material available at 10.1007/s11192-022-04391-w.
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Affiliation(s)
- Mona Farouk Ali
- Department of Information Science, Faculty of Arts, Helwan University, Cairo, Egypt
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12
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Alsalem MA, Mohammed R, Albahri OS, Zaidan AA, Alamoodi AH, Dawood K, Alnoor A, Albahri AS, Zaidan BB, Aickelin U, Alsattar H, Alazab M, Jumaah F. Rise of multiattribute decision-making in combating COVID-19: A systematic review of the state-of-the-art literature. INT J INTELL SYST 2022; 37:3514-3624. [PMID: 38607836 PMCID: PMC8653072 DOI: 10.1002/int.22699] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 09/08/2021] [Accepted: 09/16/2021] [Indexed: 12/17/2022]
Abstract
Considering the coronavirus disease 2019 (COVID-19) pandemic, the government and health sectors are incapable of making fast and reliable decisions, particularly given the various effects of decisions on different contexts or countries across multiple sectors. Therefore, leaders often seek decision support approaches to assist them in such scenarios. The most common decision support approach used in this regard is multiattribute decision-making (MADM). MADM can assist in enforcing the most ideal decision in the best way possible when fed with the appropriate evaluation criteria and aspects. MADM also has been of great aid to practitioners during the COVID-19 pandemic. Moreover, MADM shows resilience in mitigating consequences in health sectors and other fields. Therefore, this study aims to analyse the rise of MADM techniques in combating COVID-19 by presenting a systematic literature review of the state-of-the-art COVID-19 applications. Articles on related topics were searched in four major databases, namely, Web of Science, IEEE Xplore, ScienceDirect, and Scopus, from the beginning of the pandemic in 2019 to April 2021. Articles were selected on the basis of the inclusion and exclusion criteria for the identified systematic review protocol, and a total of 51 articles were obtained after screening and filtering. All these articles were formed into a coherent taxonomy to describe the corresponding current standpoints in the literature. This taxonomy was drawn on the basis of four major categories, namely, medical (n = 30), social (n = 4), economic (n = 13) and technological (n = 4). Deep analysis for each category was performed in terms of several aspects, including issues and challenges encountered, contributions, data set, evaluation criteria, MADM techniques, evaluation and validation and bibliography analysis. This study emphasised the current standpoint and opportunities for MADM in the midst of the COVID-19 pandemic and promoted additional efforts towards understanding and providing new potential future directions to fulfil the needs of this study field.
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Affiliation(s)
- Mohammed Assim Alsalem
- Department of Computing, Faculty of Arts, Computing and Creative IndustryUniversiti Pendidikan Sultan IdrisTanjung MalimMalaysia
| | - Rawia Mohammed
- Faculty of Computing and Innovative TechnologyGeomatika University CollegeKuala LumpurMalaysia
| | - Osamah Shihab Albahri
- Department of Computing, Faculty of Arts, Computing and Creative IndustryUniversiti Pendidikan Sultan IdrisTanjung MalimMalaysia
| | - Aws Alaa Zaidan
- Department of Computing, Faculty of Arts, Computing and Creative IndustryUniversiti Pendidikan Sultan IdrisTanjung MalimMalaysia
| | - Abdullah Hussein Alamoodi
- Department of Computing, Faculty of Arts, Computing and Creative IndustryUniversiti Pendidikan Sultan IdrisTanjung MalimMalaysia
| | - Kareem Dawood
- Computer Science DepartmentKomar University of Science and Technology (KUST)SulaymaniyahIraq
| | - Alhamzah Alnoor
- School of ManagementUniversiti Sains MalaysiaPulau PinangMalaysia
| | - Ahmed Shihab Albahri
- Informatics Institute for Postgraduate Studies (IIPS)Iraqi Commission for Computers and Informatics (ICCI)BaghdadIraq
| | - Bilal Bahaa Zaidan
- Future Technology Research CenterNational Yunlin University of Science and TechnologyDouliouTaiwan R.O.C.
| | - Uwe Aickelin
- School of Computing and Information SystemsThe University of MelbourneAustralia
| | - Hassan Alsattar
- Department of Computing, Faculty of Arts, Computing and Creative IndustryUniversiti Pendidikan Sultan IdrisTanjung MalimMalaysia
| | - Mamoun Alazab
- College of Engineering, IT and EnvironmentCharles Darwin UniversityCasuarinaNorthern TerritoryAustralia
| | - Fawaz Jumaah
- Department of Advanced Applications and Embedded SystemsIntel CorporationPulau PinangMalaysia
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Schonhaut L, Costa-Roldan I, Oppenheimer I, Pizarro V, Han D, Díaz F. Scientific publication speed and retractions of COVID-19 pandemic original articles. Rev Panam Salud Publica 2022; 46:e25. [PMID: 35432503 PMCID: PMC9004690 DOI: 10.26633/rpsp.2022.25] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 11/29/2021] [Indexed: 11/24/2022] Open
Abstract
Objective. To describe the editorial processing time of published COVID-19 research articles and compare this with a similar topic, human influenza, and analyze the number of publications, withdrawals, and retractions. Methods. A descriptive-analytical study using PubMed on research articles with the MeSH terms human influenza and COVID-19. Time to acceptance (from submission to acceptance) and time to publication (from acceptance to publication) were compared. Retractions and withdrawals were reviewed both qualitatively and quantitatively. Results. There were 31 319 research articles on COVID-19 and 4 287 on human influenza published during 2020. The median time to acceptance for COVID-19 was lower than that for human influenza (8 vs. 92 days). The median time to publication for COVID-19 articles was shorter than those on human influenza (12 vs. 16 days); 47.0% of COVID-19 research articles were accepted within the first week of submission, and 19.5% within one day. There were 82 retractions and withdrawals for COVID-19 articles, 1 for human influenza, and 5 for articles that contain both terms; these were mainly related to ethical misconduct, and 27 (31.0%) were published by the same group of authors in one highest-quartile journal. Conclusions. The conundrum between fast publishing and adequate standards is shown in this analysis of COVID-19 research articles. The speed of acceptance for COVID-19 manuscripts was 11.5 times faster than for human influenza. The high number of acceptances within a day or week of submission and the number of retractions and withdrawals of COVID-19 papers might be a warning sign about the possible lack of a quality control process in scientific publishing and the peer review process.
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Affiliation(s)
| | | | | | | | | | - Franco Díaz
- Universidad Finis Terrae Escuela de Medicina, Santiago, Chile
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14
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Garcia-Garzon E, Angulo-Brunet A, Lecuona O, Barrada JR, Corradi G. Exploring COVID-19 research credibility among Spanish scientists. CURRENT PSYCHOLOGY 2022:1-12. [PMID: 35250242 PMCID: PMC8884412 DOI: 10.1007/s12144-022-02797-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/26/2022] [Indexed: 11/26/2022]
Abstract
Amidst a worldwide vaccination campaign, trust in science plays a significant role when addressing the COVID-19 pandemic. Given current concerns regarding research standards, we were interested in how Spanish scholars perceived COVID-19 research and the extent to which questionable research practices and potentially problematic academic incentives are commonplace. We asked researchers to evaluate the expected quality of their COVID-19 projects and other peers' research and compared these assessments with those from scholars not involved in COVID-19 research. We investigated self-admitting and estimated rates of questionable research practices and attitudes towards current research status. Responses from 131 researchers suggested that COVID-19 evaluations followed partisan lines, with scholars being more pessimistic about others' colleagues' research than their own. Additionally,researchers not involved in COVID-19 projects were more negative than their participating peers. These differences were particularly notable for areas such as the expected theoretical foundations or overall quality of the research, among others. Most Spanish scholars expected questionable research practices and inadequate incentives to be widespread. In these two aspects, researchers tended to agree regardless of their involvement in COVID-19 research. We provide specific recommendations for improving future meta-science studies, such as redefining QRPs as inadequate research practices (IRP). This change could help avoid key controversies regarding QRPs' definition while highlighting their detrimental impact. Lastly, we join previous calls to improve transparency and academic career incentives as a cornerstone for generating trust in science. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s12144-022-02797-6.
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Affiliation(s)
| | - Ariadna Angulo-Brunet
- Universitat Oberta de Catalunya, Barcelona, Spain
- Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Oscar Lecuona
- Faculty of Health Sciences, Universidad Rey Juan Carlos, Alcorcón, Spain
| | | | - Guido Corradi
- School of Health, Universidad Camilo José Cela, Madrid, Spain
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15
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Gholampour B, Gholampour S, Noruzi A, Arsenault C, Haertlé T, Saboury AA. Retracted articles in oncology in the last three decades: frequency, reasons, and themes. Scientometrics 2022. [DOI: 10.1007/s11192-022-04305-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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16
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Khan H, Gupta P, Zimba O, Gupta L. Bibliometric and Altmetric Analysis of Retracted Articles on COVID-19. J Korean Med Sci 2022; 37:e44. [PMID: 35166080 PMCID: PMC8845104 DOI: 10.3346/jkms.2022.37.e44] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 12/23/2021] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND With greater use of social media platforms for promotions of research articles, retracted articles tend to receive approximately the same attention. We systematically analyzed retracted articles from retractionwatch.com to look at the Altmetric Attention Scores (AAS) garnered over a period of time in order to highlight the role of social media and other platforms in advertising retracted articles and its effect on the spread of misinformation. METHODS Retractionwatch.com was searched for coronavirus disease 2019 related retracted papers on November 6th, 2021. Articles were excluded based on lack of digital object identifier (DOI), if they were preprint articles, absent AAS, and incomplete AAS of pre retraction, post retraction, or both scores. RESULTS A total of 196 articles were found on the Retraction Watch website of which 189 were retracted papers and 7 were expression of concern (EOC). We then identified 175 articles after excluding those that did not have a DOI and 30 preprint articles were also excluded giving 145 articles. Further exclusion of articles with absent AAS and incomplete AAS resulted in a total of 22 articles. CONCLUSION Retracted articles receive significant online attention. Twitter and Mendeley were the most popular medium for publicizing retracted articles, therefore more focus should be given by journals and their Twitter accounts to discredit all their retracted articles. Preprints should be reconsidered as a whole by journals due to the huge risk they carry in disseminating false information.
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Affiliation(s)
- Hiba Khan
- Dubai Health Authority, Dubai, United Arab Emirates
| | - Prakash Gupta
- Virgen Milagrosa University Foundation College of Medicine, San Carlos City, Pangasinan, Philippines
| | - Olena Zimba
- Department of Internal Medicine No.2, Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | - Latika Gupta
- Department of Rheumatology, Royal Wolverhampton Hospitals NHS Trust, Wolverhampton, UK.
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17
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Wang P, Su J. Expert-recommended biomedical journal articles: Their retractions or corrections, and post-retraction citing. J Inf Sci 2022. [DOI: 10.1177/01655515221074329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Faculty Opinions has provided recommendations of important biomedical publications by domain experts (FMs) since 2001. The purpose of this study is two-fold: (1) identify the characteristics of the expert-recommended articles that were subsequently retracted and (2) investigate what happened after retraction. We examined a set of 232 recommended, later retracted or corrected articles. These articles were classified as New Finding (43%), Interesting Hypothesis (16%), and so on. More than 71% of the articles acknowledged funding support; the National Institutes of Health, USA (NIH) was a top funder (64%). The top reasons for retractions were Errors of various types (28%); Falsification/fabrication of data, image, or results (20%); Unreliable data, image, or results (16%); and Results not reproducible (16%). Retractions took from less than 2 months to more than 15 years. Only 15% of recommendations were withdrawn either after dissents were made by other FMs or after retractions. Most of the retracted articles continue to be cited post-retraction, especially those published in Nature, Science, and Cell. Significant positive correlations were observed between post-retraction citations and pre-retraction citations, between post-retraction citations and peak citations, and between post-retraction citations and the post-retraction citing span. A significant negative correlation was also observed between the post-retraction citing span and years taken to reach peak citations. Literature recommendation systems need to update the changing status of the recommended articles in a timely manner; invite the recommending experts to update their recommendations; and provide a personalised mechanism to alert users who have accessed the recommended articles on their subsequent retractions, concerns, or corrections.
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Affiliation(s)
- Peiling Wang
- School of Information Sciences, The University of Tennessee, Knoxville, USA
| | - Jing Su
- Center for Knowledge Management, Vanderbilt University Medical Center, USA
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18
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Asubiaro TV, Shaik H. Sub-Saharan African Countries‘ COVID-19 Research: An analysis of the External and Internal Contributions, Collaboration Patterns and Funding Sources. OPEN INFORMATION SCIENCE 2021. [DOI: 10.1515/opis-2020-0125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
This study aims at providing some evidence-based insight into Sub-Saharan Africa’s first eighteen months of COVID-19 research by evaluating its research contributions, patterns of collaboration, and funding sources. Eighteen months (2020 January 1-2021 June 30) COVID-19 publication data of 46 Sub-Saharan African countries was collected from Scopus for analysis. Country of affiliation of the authors and funding agencies data was analyzed to understand country contributions, collaboration pattern and funding sources. USA (23.08%) and the UK (19.63%), the top two external contributors, collaborated with Sub-Saharan African countries about three times more than other countries. Collaborative papers between Sub-Saharan African countries - without contributions from outside the region- made up less than five per cent of the sample, whereas over 50% of the papers were written in collaboration with researchers from outside the region. Organizations that are in the USA and the UK funded 45% of all the COVID-19 research from Sub-Saharan Africa. 53.44% of all the funding from Sub-Saharan African countries came from South African organizations. This study provides evidence that pan-African COVID-19 research collaboration is low, perhaps due to poor funding and lack of institutional support within Sub-Saharan Africa. This mirrors the collaborative features of science in Sub-Saharan Africa before the COVID-19 pandemic. The high volume of international collaboration during the pandemic is a good development. There is also a strong need to forge more robust pan-African research collaboration networks, through funding from Africa’s national and regional government organizations, with the specific objective of meeting local COVID-19 and other healthcare needs.
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19
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Silva RCD, Heidari H, Silva AMD. Authorship characteristics of retracted COVID-19 articles. ABCS HEALTH SCIENCES 2021. [DOI: 10.7322/abcshs.2021207.1924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
Following the explosion of publications about COVID-19, some of these articles were retracted. These articles are potentially dangerous to public health as they can mislead about the nature of the virus. The growth and sensitive nature of retracted papers led to bibliometrics studies on them, although few, which focused more on the level of documents. This study, instead, examines the characteristics of the authors of these articles. 54 retracted COVID-19 articles that fit our study’s criteria were identified. The results revealed that 32% of these authors were MD, and about one-fifth of them had a past history of publishing retracted articles. The average number of authors per article was 6. Also, according to their profile in the Scopus, the mean number of documents, citations and their H-index were 61, 3159 and 12, respectively. Women also appeared in one-third of the articles as first and last authors. Continued research about retracted COVID-19 articles can continue to help prevent the further dissemination of questionable research findings.
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20
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Frampton G, Woods L, Scott DA. Inconsistent and incomplete retraction of published research: A cross-sectional study on Covid-19 retractions and recommendations to mitigate risks for research, policy and practice. PLoS One 2021; 16:e0258935. [PMID: 34705841 PMCID: PMC8550405 DOI: 10.1371/journal.pone.0258935] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 10/10/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Retraction of published research can reduce the dissemination of incorrect or misleading information, but concerns have been raised about the clarity and rigor of the retraction process. Failure to clearly and consistently retract research has several risks, for example discredited or erroneous research may inform health research studies (e.g. clinical trials), policies and practices, potentially rendering these unreliable. OBJECTIVE To investigate consistency and clarity of research retraction, based on a case study of retracted Covid-19 research. STUDY DESIGN A cross-sectional study of retracted Covid-19 articles reporting empirical research findings, based on searches of Medline, Embase and Scopus on 10th July and 19th December 2020. KEY RESULTS We included 46 retracted Covid-19 articles. The number eligible for inclusion nearly doubled, from 26 to 46, in five months. Most articles (67%) were retracted from scientific journals and the remainder from preprint servers. Key findings: (1) reasons for retraction were not reported in 33% (15/46) of cases; (2) time from publication to retraction could not be determined in 43% (20/46) of cases; (3) More than half (59%) of retracted Covid-19 articles (27/46) remained available as original unmarked electronic documents after retraction (33% as full text and 26% as an abstract only). Sources of articles post-retraction were preprint servers, ResearchGate and, less commonly, websites including PubMed Central and the World Health Organization. A retracted journal article which controversially claimed a link between 5G technology and Covid-19 remains available in its original full text from at least 60 different websites. CONCLUSIONS The retraction process is inconsistent and often ambiguous, with more than half of retracted Covid-19 research articles remaining available, unmarked, from a wide range of online sources. There is an urgent need to improve guidance on the retraction process and to extend this to cover preprint servers. We provide structured recommendations to address these concerns and to reduce the risks that arise when retracted research is inappropriately cited.
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Affiliation(s)
- Geoff Frampton
- Southampton Health Technology Assessments Centre (SHTAC), Wessex Institute, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Lois Woods
- Southampton Health Technology Assessments Centre (SHTAC), Wessex Institute, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - David Alexander Scott
- Southampton Health Technology Assessments Centre (SHTAC), Wessex Institute, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
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21
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Schou TM, Joca S, Wegener G, Bay-Richter C. Psychiatric and neuropsychiatric sequelae of COVID-19 - A systematic review. Brain Behav Immun 2021; 97:328-348. [PMID: 34339806 PMCID: PMC8363196 DOI: 10.1016/j.bbi.2021.07.018] [Citation(s) in RCA: 264] [Impact Index Per Article: 66.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 07/22/2021] [Accepted: 07/24/2021] [Indexed: 12/12/2022] Open
Abstract
It has become evident that coronavirus disease 2019 (COVID-19) has a multi-organ pathology that includes the brain and nervous system. Several studies have also reported acute psychiatric symptoms in COVID-19 patients. An increasing number of studies are suggesting that psychiatric deficits may persist after recovery from the primary infection. In the current systematic review, we provide an overview of the available evidence and supply information on potential risk factors and underlying biological mechanisms behind such psychiatric sequelae. We performed a systematic search for psychiatric sequelae in COVID-19 patients using the databases PubMed and Embase. Included primary studies all contained information on the follow-up period and provided quantitative measures of mental health. The search was performed on June 4th 2021. 1725 unique studies were identified. Of these, 66 met the inclusion criteria and were included. Time to follow-up ranged from immediately after hospital discharge up to 7 months after discharge, and the number of participants spanned 3 to 266,586 participants. Forty studies reported anxiety and/or depression, 20 studies reported symptoms- or diagnoses of post-traumatic stress disorder (PTSD), 27 studies reported cognitive deficits, 32 articles found fatigue at follow-up, and sleep disturbances were found in 23 studies. Highlighted risk factors were disease severity, duration of symptoms, and female sex. One study showed brain abnormalities correlating with cognitive deficits, and several studies reported inflammatory markers to correlate with symptoms. Overall, the results from this review suggest that survivors of COVID-19 are at risk of psychiatric sequelae but that symptoms generally improve over time.
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Affiliation(s)
- Thor Mertz Schou
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, 8000 Aarhus C, Denmark
| | - Samia Joca
- Department of Biomedicine, Aarhus University, 8000 Aarhus C, Denmark
| | - Gregers Wegener
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, 8000 Aarhus C, Denmark
| | - Cecilie Bay-Richter
- Translational Neuropsychiatry Unit, Department of Clinical Medicine, Aarhus University, 8000 Aarhus C, Denmark.
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22
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Amaral EDOS, Line SRP. Current use of effect size or confidence interval analyses in clinical and biomedical research. Scientometrics 2021; 126:9133-9145. [PMID: 34565930 PMCID: PMC8449212 DOI: 10.1007/s11192-021-04150-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 09/01/2021] [Indexed: 10/27/2022]
Abstract
The isolated use of the statistical hypothesis testing for two group comparison has limitations, and its combination with effect size or confidence interval analysis as complementary statistical tests is recommended. In the present work, we estimate the use of these complementary statistical tests (i.e. effect size or confidence interval) in recently published in research articles in clinical and biomedical areas. Methods: The ProQuest database was used to search published studies in academic journals between 2019 and 2020. The analysis was carried out using terms that represent five areas of clinical and biomedical research: "brain", "liver", "heart", "dental", and "covid-19". A total of 119,558 published articles were retrieved. Results: The relative use of complementary statistical tests in clinical and biomedical publications was low. The highest frequency usage of complementary statistical tests was among articles that also used statistical hypothesis testing for two-sample comparison. Publications with the term "covid-19" showed the lowest usage rate of complementary statistical tests when all article were analyzed but presented the highest rate among articles that used hypothesis testing. Conclusion: The low use of effect size or confidence interval in two-sample comparison suggests that coordinate measures should be taken in order to increase the use of this analysis in clinical and biomedical research. Their use should be emphasized in statistical disciplines for college and graduate students, become a routine procedure in research laboratories, and recommended by reviewers and editors of scientific journals. Supplementary Information The online version contains supplementary material available at 10.1007/s11192-021-04150-3.
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23
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COVID-19 and hospitality and tourism research: An integrative review. JOURNAL OF HOSPITALITY AND TOURISM MANAGEMENT 2021. [PMCID: PMC8751995 DOI: 10.1016/j.jhtm.2021.07.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
COVID-19 caused a shockwave in all facets of the contemporary tourism industry, triggering a surge in relevant research. Responding to the sheer magnitude of the event, and the plethora of research opportunities, scholars have been investigating the pandemic from an array of perspectives, at both a micro and macro level. With the aim of advancing the existing conceptual capital, this study uses a systematic integrative review to summarize, critique and synthesize the COVID-19-related studies published in hospitality and tourism journals; it identifies important gaps and highlights a future research agenda. We select 362 articles relevant to our analysis and conduct our research using VOSviewer visualization software. Findings, of particular interest and importance to scholars, illuminate thematic areas that may stimulate further research endeavors.
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24
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Chen Q, Leaman R, Allot A, Luo L, Wei CH, Yan S, Lu Z. Artificial Intelligence in Action: Addressing the COVID-19 Pandemic with Natural Language Processing. Annu Rev Biomed Data Sci 2021; 4:313-339. [PMID: 34465169 DOI: 10.1146/annurev-biodatasci-021821-061045] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The COVID-19 (coronavirus disease 2019) pandemic has had a significant impact on society, both because of the serious health effects of COVID-19 and because of public health measures implemented to slow its spread. Many of these difficulties are fundamentally information needs; attempts to address these needs have caused an information overload for both researchers and the public. Natural language processing (NLP)-the branch of artificial intelligence that interprets human language-can be applied to address many of the information needs made urgent by the COVID-19 pandemic. This review surveys approximately 150 NLP studies and more than 50 systems and datasets addressing the COVID-19 pandemic. We detail work on four core NLP tasks: information retrieval, named entity recognition, literature-based discovery, and question answering. We also describe work that directly addresses aspects of the pandemic through four additional tasks: topic modeling, sentiment and emotion analysis, caseload forecasting, and misinformation detection. We conclude by discussing observable trends and remaining challenges.
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Affiliation(s)
- Qingyu Chen
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland 20894, USA;
| | - Robert Leaman
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland 20894, USA;
| | - Alexis Allot
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland 20894, USA;
| | - Ling Luo
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland 20894, USA;
| | - Chih-Hsuan Wei
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland 20894, USA;
| | - Shankai Yan
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland 20894, USA;
| | - Zhiyong Lu
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, Maryland 20894, USA;
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25
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Benita F. Human mobility behavior in COVID-19: A systematic literature review and bibliometric analysis. SUSTAINABLE CITIES AND SOCIETY 2021; 70:102916. [PMID: 35720981 PMCID: PMC9187318 DOI: 10.1016/j.scs.2021.102916] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 03/30/2021] [Accepted: 04/01/2021] [Indexed: 05/18/2023]
Abstract
This article maps the scientific literature in human mobility behavior in the context of the current pandemic. Through bibliometrics, we analyze the content of published scientific studies indexed on the Web of Science and Scopus during 2020. This enables us the detection of current hotspots and future directions of research. After a co-occurrence of keywords and evidence map analysis, four themes are identified, namely, Land Transport - Operations, Land Transport - Traffic Demand, Air Transport and Environment. We show how air transportation- and environmental-related studies tend to be more mature research whereas the understanding of changes in travel behavior (e.g., telecommuting, preventive measures or health protection behavior) tends to be immature. By using a topic modeling approach, we identify multiple sub-themes within each theme. Our framework adopts a smart literature review approach that can be constantly updated, enabling an analysis of many articles, with little investment of the researcher's time, but also provides high degree of transparency and replicability. We also put forth a research agenda that can help inform and shape transport policy and practice responses to COVID-19.
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Affiliation(s)
- Francisco Benita
- Engineering Systems and Design, Singapore University of Technology and Design, 8 Somapah Road, 487372, Singapore
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26
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Turki H, Hadj Taieb MA, Ben Aouicha M, Fraumann G, Hauschke C, Heller L. Enhancing Knowledge Graph Extraction and Validation From Scholarly Publications Using Bibliographic Metadata. Front Res Metr Anal 2021; 6:694307. [PMID: 34124535 PMCID: PMC8194279 DOI: 10.3389/frma.2021.694307] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 05/19/2021] [Indexed: 01/14/2023] Open
Affiliation(s)
- Houcemeddine Turki
- Faculty of Medicine of Sfax, University of Sfax, Sfax, Tunisia
- Data Engineering and Semantics Research Unit, Faculty of Sciences of Sfax, University of Sfax, Sfax, Tunisia
| | - Mohamed Ali Hadj Taieb
- Data Engineering and Semantics Research Unit, Faculty of Sciences of Sfax, University of Sfax, Sfax, Tunisia
| | - Mohamed Ben Aouicha
- Data Engineering and Semantics Research Unit, Faculty of Sciences of Sfax, University of Sfax, Sfax, Tunisia
| | - Grischa Fraumann
- Department of Communication, University of Copenhagen, Copenhagen, Denmark
| | - Christian Hauschke
- Open Science Lab, TIB-Leibniz Information Centre for Science and Technology, Hannover, Germany
| | - Lambert Heller
- Open Science Lab, TIB-Leibniz Information Centre for Science and Technology, Hannover, Germany
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27
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Plebani M. Laboratory medicine in the COVID-19 era: six lessons for the future. Clin Chem Lab Med 2021; 59:1035-1045. [PMID: 33826810 DOI: 10.1515/cclm-2021-0367] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 03/29/2021] [Indexed: 12/31/2022]
Abstract
The lockdown due to the coronavirus disease 2019 (COVID-19), a major healthcare challenge, is a worldwide threat to public health, social stability, and economic development. The pandemic has affected all aspects of society, dramatically changing our day-to-day lives and habits. It has also changed clinical practice, including practices of clinical laboratories. After one year, it is time to rethink what has happened, and is still happening, in order to learn lessons for the future of laboratory medicine and its professionals. While examining this issue, I was inspired by Italo Calvino's famous work, "Six memos for the next millennium".But I rearranged the Author's six memos into "Visibility, quickness, exactitude, multiplicity, lightness, consistency".
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Affiliation(s)
- Mario Plebani
- Department of Medicine-DIMED, University of Padova, Padova, Italy
- Department of Integrated Diagnostics, University-Hospital of Padova, Padova, Italy
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28
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Salas Orozco MF, Niño-Martínez N, Martínez-Castañón GA, Patiño Marín N, Sámano Valencia C, Dipp Velázquez FA, Sosa Munguía PDC, Casillas Santana MA. Presence of SARS-CoV-2 and Its Entry Factors in Oral Tissues and Cells: A Systematic Review. MEDICINA (KAUNAS, LITHUANIA) 2021; 57:523. [PMID: 34070998 PMCID: PMC8224617 DOI: 10.3390/medicina57060523] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/13/2021] [Accepted: 05/18/2021] [Indexed: 01/07/2023]
Abstract
Background and Objectives: The aim of this systematic review is to summarize the current data about the presence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and its entry factors in oral tissues and cells. Materials and Methods: This systematic review was carried out based on the Preferred Reporting Items for a Systematic Review and Meta-Analysis (PRISMA). Three databases were analyzed (Pubmed, Web of science and Scopus) by three independent researchers. From the 18 identified studies, 10 of them met the inclusion criteria. The presence of SARS-CoV-2 or its entry factors (angiotensin-converting enzyme II (ACE2), transmembrane serine proteases (TMPRSS), and furin) was analyzed in these 10 studies during the pandemic. Results: ACE2 expression was analyzed in 9 of the 10 studies. ACE2 is expressed mainly in the tongue, oral mucosa, salivary glands and epithelial cells. The expression of the TMPRSS2 gene or protein was analyzed in 6 studies. These studies reported that the expression of TMPRSS2 was mainly in the salivary glands, tongue, sulcular epithelium and oral mucosa; as well as in cells of the salivary glands (ductal, acinar and myoepithelial cells) and the tongue (the spinous-based cell layer, horny layer and the epithelial surface). Other TMPRSS were also reported. The expression of TMPRSS3, TMPRSS4, TMPRSS5, TMPRSS7 and TMPRSS11D was reported mainly in salivary glands and in epithelial-type cells. Furan expression was analyzed in three studies. The expression of furin was detected mainly in epithelial cells of the tongue. A variety of methods were used to carry out the detection of SARS-CoV-2 or its input molecules. Conclusions: These results show that SARS-CoV-2 can infect a wide variety of oral tissues and cells, and that together with the theories dedicated to explaining the oral symptoms present in SARS-CoV-2 positive patients, it provides us with a good scientific basis for understanding the virus infection in the oral cavity and its consequences.
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Affiliation(s)
- Marco Felipe Salas Orozco
- Doctorado en Ciencias Odontológicas, Facultad de Estomatología, Universidad Autónoma de San Luis Potosí, San Luis Potosí C.P. 78290, Mexico;
| | - Nereyda Niño-Martínez
- Facultad de Ciencias, Universidad Autónoma de San Luis Potosí, San Luis Potosí C.P. 78210, Mexico; (N.N.-M.); (G.-A.M.-C.)
| | | | - Nuria Patiño Marín
- Doctorado en Ciencias Odontológicas, Facultad de Estomatología, Universidad Autónoma de San Luis Potosí, San Luis Potosí C.P. 78290, Mexico;
| | - Carolina Sámano Valencia
- Maestría en Estomatología con Opción Terminal en Ortodoncia, Facultad de Estomatología, Benemérita Universidad Autónoma de Puebla, Puebla C.P. 72410, Mexico; (C.S.V.); (F.A.D.V.)
| | - Farid Alonso Dipp Velázquez
- Maestría en Estomatología con Opción Terminal en Ortodoncia, Facultad de Estomatología, Benemérita Universidad Autónoma de Puebla, Puebla C.P. 72410, Mexico; (C.S.V.); (F.A.D.V.)
| | - Paulina del Carmen Sosa Munguía
- Residente de la Maestría en Ciencias Médicas e Investigación, Facultad de Medicina, Benemérita Universidad Autónoma de Puebla, Puebla C.P. 72410, Mexico;
| | - Miguel Angel Casillas Santana
- Maestría en Estomatología con Opción Terminal en Ortodoncia, Facultad de Estomatología, Benemérita Universidad Autónoma de Puebla, Puebla C.P. 72410, Mexico; (C.S.V.); (F.A.D.V.)
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Fassin Y. Research on Covid-19: a disruptive phenomenon for bibliometrics. Scientometrics 2021; 126:5305-5319. [PMID: 33994601 PMCID: PMC8104038 DOI: 10.1007/s11192-021-03989-w] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 04/01/2021] [Indexed: 11/19/2022]
Abstract
The Covid-19 pandemic has been the highest disruptive event in the world recent history. Worldwide academic research on this topic has led to an explosion of scientific literature, never seen before. Bibliometrics provide methods to illustrate this exceptional phenomenon in academic publications. The objective of this paper is to analyze the Covid-19 research from a bibliometric perspective and to study the impact of the publication explosion on bibliometric indicators. The present study shows how an exceptional phenomenon has a disruptive impact on bibliometric indicators, such as the h-index and the Journal Impact Factor. The higher the specialization, the higher the possible impact of a disruptive phenomenon. In applied sciences, more important than the research or the discipline, the specific theme of the research is crucial for citations of articles and for their impact. The salience of the topic, the magnitude of the problem at study and the urgency to find solutions are drivers for citations. The study of the Covid-19 research illustrates the relativity of indicators and the need for context. The present study also confirms the plead for responsible metrics of the San Francisco Declaration on Research Assessment (DORA).
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Helmer TT, Lewis AA, McEver M, Delacqua F, Pastern CL, Kennedy N, Edwards TL, Woodward BO, Harris PA. Creating and implementing a COVID-19 recruitment Data Mart. J Biomed Inform 2021; 117:103765. [PMID: 33798717 PMCID: PMC8008778 DOI: 10.1016/j.jbi.2021.103765] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 03/05/2021] [Accepted: 03/27/2021] [Indexed: 12/31/2022]
Abstract
The COVID-19 pandemic has resulted in an unprecedented strain on every aspect of the healthcare system, and clinical research is no exception. Researchers are working against the clock to ramp up research studies addressing every angle of COVID-19 - gaining a better understanding of person-to-person transmission, improving methods for diagnosis, and developing therapies to treat infection and vaccines to prevent it. The impact of the virus on research efforts is not limited to investigators and their teams. Potential participants also face unparalleled opportunities and requests to participate in research, which can result in a significant amount of participant fatigue. The Vanderbilt Institute for Clinical and Translational Research recognized early in the pandemic that a solution to assist researchers in the rapid identification of potential participants was critical, and thus developed the COVID-19 Recruitment Data Mart. This solution does not rest solely on technology; the addition of experienced project managers to support researchers and facilitate collaboration was essential. Since the platform and study support tools were launched on July 20, 2020, four studies have been onboarded and a total of 1693 potential participant matches have been shared. Each of these patients had agreed in advance to direct contact for COVID-19 research and had been matched to study-specific inclusion/exclusion criteria. Our innovative Data Mart system is scalable and looks promising as a generalizable solution for simultaneously recommending individuals from a pool of patients against a pool of time-sensitive trial opportunities.
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Affiliation(s)
- Tara T Helmer
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Adam A Lewis
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Mark McEver
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Francesco Delacqua
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Cindy L Pastern
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Nan Kennedy
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Terri L Edwards
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Beverly O Woodward
- Division of Infectious Diseases, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Paul A Harris
- Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN, USA; Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN, USA.
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Abstract
Humans learn about the world by collectively acquiring information, filtering it, and sharing what we know. Misinformation undermines this process. The repercussions are extensive. Without reliable and accurate sources of information, we cannot hope to halt climate change, make reasoned democratic decisions, or control a global pandemic. Most analyses of misinformation focus on popular and social media, but the scientific enterprise faces a parallel set of problems-from hype and hyperbole to publication bias and citation misdirection, predatory publishing, and filter bubbles. In this perspective, we highlight these parallels and discuss future research directions and interventions.
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Affiliation(s)
- Jevin D West
- Information School, University of Washington, Seattle, WA 98195
| | - Carl T Bergstrom
- Department of Biology, University of Washington, Seattle, WA 98195
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Jacimovic J, Jakovljevic A, Nagendrababu V, Duncan HF, Dummer PMH. A bibliometric analysis of the dental scientific literature on COVID-19. Clin Oral Investig 2021; 25:6171-6183. [PMID: 33822288 PMCID: PMC8022306 DOI: 10.1007/s00784-021-03916-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 03/25/2021] [Indexed: 02/06/2023]
Abstract
Objectives The rapid production of a large volume of literature during the early phase of the COVID-19 outbreak created a substantial burden for clinicians and scientists. Therefore, this manuscript aims to identify and describe the scientific literature addressing COVID-19 from a dental research perspective, in terms of the manuscript origin, research domain, study type, and level of evidence (LoE). Materials and methods Data were retrieved from Web of Science, Scopus, and PubMed. A descriptive analysis of bibliographic data, collaboration network, and keyword co-occurrence analysis were performed. Articles were further classified according to the field of interest, main research question, type of study, and LoE. Results The present study identified 296 dental scientific COVID-19 original papers, published in 89 journals, and co-authored by 1331 individuals affiliated with 429 institutions from 53 countries. Although 81.4% were single-country papers, extensive collaboration among the institutions of single countries (Italian, British, and Brazilian institutions) was observed. The main research areas were as follows: the potential use of saliva and other oral fluids as promising samples for COVID-19 testing, dental education, and guidelines for the prevention of COVID-19 transmission in dental practice. The majority of articles were narrative reviews, cross-sectional studies, and short communications. The overall LoE in the analyzed dental literature was low, with only two systematic reviews with the highest LoE I. Conclusion The dental literature on the COVID-19 pandemic does not provide data relevant to the evidence-based decision-making process. Future studies with a high LoE are essential to gain precise knowledge on COVID-19 infection within the various fields of Dentistry. Clinical relevance The published dental literature on COVID-19 consists principally of articles with a low level of scientific evidence which do not provide sufficient reliable high-quality evidence that is essential for decision making in clinical dental practice. Supplementary Information The online version contains supplementary material available at 10.1007/s00784-021-03916-6.
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Affiliation(s)
- Jelena Jacimovic
- Central Library, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Aleksandar Jakovljevic
- Department of Pathophysiology, School of Dental Medicine, University of Belgrade, Belgrade, Serbia.
| | - Venkateshbabu Nagendrababu
- Department of Preventive and Restorative Dentistry, College of Dental Medicine, University of Sharjah, Sharjah, UAE
| | - Henry Fergus Duncan
- Division of Restorative Dentistry and Periodontology, Dublin Dental University Hospital, Trinity College Dublin, Dublin, Ireland
| | - Paul M H Dummer
- School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff, UK
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Triggle CR, MacDonald R, Triggle DJ, Grierson D. Requiem for impact factors and high publication charges. Account Res 2021; 29:133-164. [PMID: 33787413 DOI: 10.1080/08989621.2021.1909481] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Journal impact factors, publication charges and assessment of quality and accuracy of scientific research are critical for researchers, managers, funders, policy makers, and society. Editors and publishers compete for impact factor rankings, to demonstrate how important their journals are, and researchers strive to publish in perceived top journals, despite high publication and access charges. This raises questions of how top journals are identified, whether assessments of impacts are accurate and whether high publication charges borne by the research community are justified, bearing in mind that they also collectively provide free peer-review to the publishers. Although traditional journals accelerated peer review and publication during the COVID-19 pandemic, preprint servers made a greater impact with over 30,000 open access articles becoming available and accelerating a trend already seen in other fields of research. We review and comment on the advantages and disadvantages of a range of assessment methods and the way in which they are used by researchers, managers, employers and publishers. We argue that new approaches to assessment are required to provide a realistic and comprehensive measure of the value of research and journals and we support open access publishing at a modest, affordable price to benefit research producers and consumers.
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Affiliation(s)
- Chris R Triggle
- Departments of Medical Education & Pharmacology, Weill Cornell Medicine-Qatar, Doha, Qatar
| | - Ross MacDonald
- Distributed eLibrary, Weill Cornell Medicine-Qatar, Doha, New York, Qatar
| | - David J Triggle
- School of Pharmacy and Pharmaceutical Sciences, State University of New York, Buffalo, New York, USA
| | - Donald Grierson
- School of Biosciences, University of Nottingham, Loughborough, UK
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El-Menyar A, Mekkodathil A, Asim M, Consunji R, Rizoli S, Abdel-Aziz Bahey A, Al-Thani H. Publications and retracted articles of COVID-19 pharmacotherapy-related research: A systematic review. Sci Prog 2021; 104:368504211016936. [PMID: 33989091 PMCID: PMC10454799 DOI: 10.1177/00368504211016936] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The current COVID-19 pandemic situation has stimulated an unplanned clinical research paradigm which is evident from the surge of clinical trial registrations and the increasing number of COVID-related publications. We aimed to explore the standards for research conduction, publications and retraction of articles related to COVID-19 pharmacotherapy research during the pandemic. We analysed data from the contemporary literatures on studies reporting pharmacological agents for COVID-19 using MEDLINE, PubMed, WHO database and Google Scholar between January 01, 2020 and March 20, 2021. The initial search revealed a total of 61,801 articles. Based on the inclusion criteria, a total of 124 studies related to various pharmacological agents were included in the final analysis. Most of the studies were reported from the United States (n = 30, 24%). Of the 124 studies, 50 (40%) were randomized controlled trials (RCTs). Immunomodulatory drugs-related (n = 17, 34%) and COVID-19 vaccine-related studies (n = 14, 28%) were the main topics in the relevant RCTs. The median days for dissemination of findings in journals were 114 days (IQR 61-189). A comparative analysis revealed that RCTs were disseminated earlier (median 79 days; IQR 52-131) when compared to observational studies (median = 144 days; IQR 69-206) (p = 0.003). Six papers were retracted from high impact journals; in which the average period till publication was 33 days. Retraction of papers occurred within 10-48 days. Expedited reviews, research approval and early publications of COVID-19 related pharmaceutical studies could have an impact on the quality of publications. However, the huge number of publications in short time creates confusion for readers during the early phases of the pandemic. Retraction of papers is alarming but ensures research integrity and correctness of scientific information. These abbreviated processes could affect patient care and public awareness. It is imperative to follow rapid but rigours ethical standards for research approval and peer-review process for publications during health pandemics.
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Affiliation(s)
- Ayman El-Menyar
- Clinical Medicine, Weill Cornell Medical College, Doha, Qatar
- Clinical Research, Trauma Surgery, Hamad General Hospital, Doha, Qatar
| | | | - Mohammad Asim
- Clinical Research, Trauma Surgery, Hamad General Hospital, Doha, Qatar
| | - Rafael Consunji
- Injury Prevention Program, Trauma Surgery, Hamad General Hospital, Doha, Qatar
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De Carlis R, Vella I, Incarbone N, Centonze L, Buscemi V, Lauterio A, De Carlis L. Impact of the COVID-19 pandemic on liver donation and transplantation: A review of the literature. World J Gastroenterol 2021; 27:928-938. [PMID: 33776364 PMCID: PMC7968133 DOI: 10.3748/wjg.v27.i10.928] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/01/2021] [Accepted: 02/25/2021] [Indexed: 02/06/2023] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic has upended healthcare systems worldwide and led to an inevitable decrease in liver transplantation (LT) activity. During the first pandemic wave, administrators and clinicians were obliged to make the difficult decision of whether to suspend or continue a life-saving procedure based on the scarce available evidence regarding the risk of transmission and mortality in immunosuppressed patients. Those centers where the activity continued or was heavily restricted were obliged to screen donors and recipients, design COVID-safe clinical pathways, and promote telehealth to prevent nosocomial transmission. Despite the ever-growing literature on COVID-19, the amount of high-quality literature on LT remains limited. This review will provide an updated view of the impact of the pandemic on LT programs worldwide. Donor and recipient screening, strategies for waitlist prioritization, and posttransplant risk of infection and mortality are discussed. Moreover, a particular focus is given to the possibility of donor-to-recipient transmission and immunosuppression management in COVID-positive recipients.
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Affiliation(s)
- Riccardo De Carlis
- Department of General Surgery and Transplantation, ASST Grande Ospedale Metropolitano Niguarda, Milan 20162, Italy
| | - Ivan Vella
- Department of General Surgery and Transplantation, ASST Grande Ospedale Metropolitano Niguarda, Milan 20162, Italy
- Department of Surgical Sciences, University of Pavia, Pavia 27100, Italy
| | - Niccolò Incarbone
- Department of General Surgery and Transplantation, ASST Grande Ospedale Metropolitano Niguarda, Milan 20162, Italy
- Department of Medicine and Surgery, University of Milano-Bicocca, Milan 20126, Italy
| | - Leonardo Centonze
- Department of General Surgery and Transplantation, ASST Grande Ospedale Metropolitano Niguarda, Milan 20162, Italy
| | - Vincenzo Buscemi
- Department of General Surgery and Transplantation, ASST Grande Ospedale Metropolitano Niguarda, Milan 20162, Italy
| | - Andrea Lauterio
- Department of General Surgery and Transplantation, ASST Grande Ospedale Metropolitano Niguarda, Milan 20162, Italy
| | - Luciano De Carlis
- Department of General Surgery and Transplantation, ASST Grande Ospedale Metropolitano Niguarda, Milan 20162, Italy
- Department of Medicine and Surgery, University of Milano-Bicocca, Milan 20126, Italy
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Rubin O, Errett NA, Upshur R, Baekkeskov E. The challenges facing evidence-based decision making in the initial response to COVID-19. Scand J Public Health 2021; 49:790-796. [PMID: 33685289 DOI: 10.1177/1403494821997227] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Olivier Rubin
- Department of Social Sciences and Businesses, Roskilde University, Denmark
| | - Nicole A Errett
- Department of Environmental and Occupational Health Sciences, University of Washington, USA
| | - Ross Upshur
- Dalla Lana School of Public Health, University of Toronto, Canada
| | - Erik Baekkeskov
- School of Social and Political Sciences, University of Melbourne, Australia
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Asmundson GJG, Taylor S. Garbage in, garbage out: The tenuous state of research on PTSD in the context of the COVID-19 pandemic and infodemic. J Anxiety Disord 2021; 78:102368. [PMID: 33582405 PMCID: PMC9759101 DOI: 10.1016/j.janxdis.2021.102368] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
| | - Steven Taylor
- Department of Psychology, University of British Columbia, British Columbia, Canada.
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Moon JY, Yoon DY, Hong JH, Lim KJ, Baek S, Seo YL, Yun EJ. The Most Widely Disseminated COVID-19-Related Scientific Publications in Online Media: A Bibliometric Analysis of the Top 100 Articles with the Highest Altmetric Attention Scores. Healthcare (Basel) 2021; 9:239. [PMID: 33672367 PMCID: PMC7926455 DOI: 10.3390/healthcare9020239] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/16/2021] [Accepted: 02/19/2021] [Indexed: 11/16/2022] Open
Abstract
The novel coronavirus disease 2019 (COVID-19) is a global pandemic. This study's aim was to identify and characterize the top 100 COVID-19-related scientific publications, which had received the highest Altmetric Attention Scores (AASs). Hence, we searched Altmetric Explorer using search terms such as "COVID" or "COVID-19" or "Coronavirus" or "SARS-CoV-2" or "nCoV" and then selected the top 100 articles with the highest AASs. For each article identified, we extracted the following information: the overall AAS, publishing journal, journal impact factor (IF), date of publication, language, country of origin, document type, main topic, and accessibility. The top 100 articles most frequently were published in journals with high (>10.0) IF (n = 67), were published between March and July 2020 (n = 67), were written in English (n = 100), originated in the United States (n = 45), were original articles (n = 59), dealt with treatment and clinical manifestations (n = 33), and had open access (n = 98). Our study provides important information pertaining to the dissemination of scientific knowledge about COVID-19 in online media.
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Affiliation(s)
| | - Dae Young Yoon
- Department of Radiology, Kangdong Sacred Heart Hospital, College of Medicine, Hallym University, 150, Seongan-ro, Gangdong-gu, Seoul 134-701, Korea; (J.Y.M.); (J.H.H.); (K.J.L.); (S.B.); (Y.L.S.); (E.J.Y.)
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Soltani P, Baghaei K, Tavakoli Tafti K, Spagnuolo G. Science Mapping Analysis of COVID-19 Articles Published in Dental Journals. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:2110. [PMID: 33671518 PMCID: PMC7926941 DOI: 10.3390/ijerph18042110] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/10/2021] [Accepted: 02/18/2021] [Indexed: 12/13/2022]
Abstract
The Coronavirus disease 2019 (COVID-19) pandemic is an ongoing global health crisis with unmatched outcomes and effects. This pandemic has caused an infodemic of article publication in scientific journals. Dental journals have been active in the publication of COVID-19 related articles from the beginning of the pandemic. In this cross-sectional survey, we present an analysis of the scientific output of dental journals on COVID-19. The PubMed COVID-19 database was searched with the "Dental Journals" filter. Data including journal name, country, month of publication and number of citations were recorded. Science mapping analysis of the most used keywords was also performed. The search retrieved a total of 659 articles, of which 28 were excluded. Oral Diseases has published the most COVID-19 articles (15.1%), followed by the British Journal of Oral and Maxillofacial Surgery (8.6%) and the Journal of Dental Education (7.9%). Most of the articles were from researchers from the United States (168), United Kingdom (120) and Brazil (83). The number of citations of the published articles ranged from 0 to 406, with most articles (64.2%) having no citations. Science Mapping analysis revealed that the most used keywords were coronavirus infections, pandemics and humans. The dental community has been active in the publication of COVID-19 articles from the beginning of the pandemic. The papers published by dental journals explore issues such as the management of clinical practices during the outbreak, infection control in the dental setting, signs and symptoms of COVID-19 affecting the oral cavity, and the impact of the COVID-19 pandemic on educational and clinical programs.
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Affiliation(s)
- Parisa Soltani
- Department of Oral and Maxillofacial Radiology, Dental Implants Research Center, Dental Research Institute, School of Dentistry, Isfahan University of Medical Sciences, Isfahan 81746, Iran;
| | - Kimia Baghaei
- Dental Students’ Research Committee, School of Dentistry, Isfahan University of Medical Sciences, Isfahan 81746, Iran
| | - Kioumars Tavakoli Tafti
- Dental Students’ Research Committee, School of Dentistry, Isfahan University of Medical Sciences, Isfahan 81746, Iran
| | - Gianrico Spagnuolo
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples “Federico II”, 80131 Naples, Italy;
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Casillas Santana MÁ, Martínez Zumarán A, Patiño Marín N, Castillo Silva BE, Sámano Valencia C, Salas Orozco MF. How Dentists Face the COVID-19 in Mexico: A Nationwide Cross-Sectional Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:1750. [PMID: 33670181 PMCID: PMC7916932 DOI: 10.3390/ijerph18041750] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/29/2021] [Accepted: 02/03/2021] [Indexed: 01/19/2023]
Abstract
Background: on 7 January 2020, a new type of coronavirus was isolated, the Severe Acute Respiratory Syndrome Coronavirus2 (SARS-CoV-2), the organism causing the outbreak that has affected the lives of all humans and has modified the rules of coexistence around the world. In Mexico, from 3 January 2020 to 9 January 2021, there have been 1439, 569 confirmed cases of COVID-19 with 131,031 deaths. The World Health Organization reported that Mexico was ranked twelfth, in terms of confirmed cases of COVID-19 by country. Aim: the objective of this study was to determine what modifications dentists from the Mexican Republic have made to their dental practice during theCOVID-19 pandemic. Methods: the study was conducted based on a questionnaire to evaluate the dentists' response and knowledge on the modifications in their dental practice to combat the new coronavirus's cross-transmission. The questionnaire was piloted before it was distributed. The questionnaire was disseminated through the social network Facebook. The questionnaire was distributed to groups of dentists on Facebook, in each of the Mexican Republic states. The survey was carried out during June 2020. Results and Conclusions: from the 32 states of the Mexican Republic, 29 participated with at least one respondent. The results of the applied survey suggest that dentists, at least the population of surveyed ones, have proper knowledge of detection methods of patients suspected of COVID-19, preventive measures that must be applied in the dental office to decrease the risk of infection, and the appropriate procedures and solutions for dental office disinfection.
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Affiliation(s)
| | - Alan Martínez Zumarán
- Department of the Orthodontic Specialty, Facultad de Estomatología, Universidad Autónoma de San Luis Potosí, San Luis Potosí C.P. 78290, Mexico;
| | - Nuria Patiño Marín
- Department of Clinical Research, Facultad de Estomatología, Universidad Autónoma de San Luis Potosí, San Luis Potosí C.P. 78290, Mexico;
| | | | - Carolina Sámano Valencia
- Dental Materials and Biomaterials Laboratory, Facultad de Estomatología, Benemérita Universidad Autónoma de Puebla, Puebla C.P. 72000, Mexico;
| | - Marco Felipe Salas Orozco
- Department of Clinical Research, Facultad de Estomatología, Universidad Autónoma de San Luis Potosí, San Luis Potosí C.P. 78290, Mexico;
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Behl C. Science integrity has been never more important: It's all about trust. J Cell Biochem 2021; 122:694-695. [PMID: 33559144 DOI: 10.1002/jcb.29906] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Christian Behl
- Institute of Pathobiochemistry, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
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Bellini MI, Pengel L, Potena L, Segantini L, ESOT COVID‐19 Working Group. COVID-19 and education: restructuring after the pandemic. Transpl Int 2021; 34:220-223. [PMID: 33205410 PMCID: PMC7753626 DOI: 10.1111/tri.13788] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 11/12/2020] [Indexed: 12/14/2022]
Abstract
COVID-19 challenges to keep a valuable educational offer with lockdown measures and social distancing are reviewed. Scientific Societies had to think of new alternatives to maintain meetings with conversion to a virtual format and development of online resources, rapidly available and broadly accessible. Other in person activities as face-to-face clinics have been substituted by telemedicine; the same happened with surgical training in theatre, given the suspension of most of the operations. Finally, the need to share and communicate in a continuous evolving scenario, has impacted negatively the integrity of peer review process, not following the normal procedures to ensure scientific integrity and reproducibility in the earliest phases of the pandemic.
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Affiliation(s)
- Maria Irene Bellini
- Department of Surgical SciencesSapienza UniversityRomeItaly
- European Society for Organ TransplantationPaduaItaly
- Azienda Ospedaliera San Camillo ForlaniniRomeItaly
| | - Liset Pengel
- Nuffield Department of Surgical SciencesCentre for Evidence in TransplantationUniversity of OxfordOxfordUK
| | - Luciano Potena
- Heart Failure and Transplant ProgramCardiology UnitPoliclinico Sant'Orsola MalpighiUniversity of BolognaBolognaItaly
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Tentolouris A, Ntanasis-Stathopoulos I, Vlachakis PK, Tsilimigras DI, Gavriatopoulou M, Dimopoulos MA. COVID-19: time to flatten the infodemic curve. Clin Exp Med 2021; 21:161-165. [PMID: 33417084 PMCID: PMC7790724 DOI: 10.1007/s10238-020-00680-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 12/15/2020] [Indexed: 11/29/2022]
Abstract
Thousands of articles have been published regarding the coronavirus disease of 2019 (COVID-19). Most of them are not original research articles but reviews and editorials, and therefore, the absence of evidence-based guidelines has been evident. In parallel, the quality of manuscripts is questionable since the number of preprints has increased due to the need of fast publication of COVID-19-related articles. Furthermore, the number of retracted articles during the pandemic is exceptionally high. Media have an important role in the distribution of incorrect information, nevertheless individual people and policy makers are also responsible. As misinformation thrives in crisis periods, well-designed studies are needed to flatten the infodemic curve regarding prevention, diagnosis, and long-term complications of COVID-19.
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Affiliation(s)
- Anastasios Tentolouris
- First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Ioannis Ntanasis-Stathopoulos
- Department of Clinical Therapeutics, School of Medicine, National and Kapodistrian University of Athens, Alexandra General Hospital, 80 Vas. Sofias Avenue, 11528, Athens, Greece
| | - Panayotis K Vlachakis
- Department of Clinical Therapeutics, School of Medicine, National and Kapodistrian University of Athens, Alexandra General Hospital, 80 Vas. Sofias Avenue, 11528, Athens, Greece
| | - Diamantis I Tsilimigras
- Division of Surgical Oncology, Department of Surgery, Wexner Medical Center, The Ohio State University, James Comprehensive Cancer Center, Columbus, OH, USA
| | - Maria Gavriatopoulou
- Department of Clinical Therapeutics, School of Medicine, National and Kapodistrian University of Athens, Alexandra General Hospital, 80 Vas. Sofias Avenue, 11528, Athens, Greece.
| | - Meletios A Dimopoulos
- Department of Clinical Therapeutics, School of Medicine, National and Kapodistrian University of Athens, Alexandra General Hospital, 80 Vas. Sofias Avenue, 11528, Athens, Greece
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Benchimol EI, Moher D, Ehrenstein V, Langan SM. Retraction of COVID-19 Pharmacoepidemiology Research Could Have Been Avoided by Effective Use of Reporting Guidelines. Clin Epidemiol 2020; 12:1403-1420. [PMID: 33376409 PMCID: PMC7762449 DOI: 10.2147/clep.s288677] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 12/02/2020] [Indexed: 01/07/2023] Open
Abstract
INTRODUCTION Two recent high-profile publications (and subsequent retractions) of pharmacoepidemiology studies reporting the effectiveness and risk of hydroxychloroquine in COVID-19 patients received international media attention. Transparent and complete reporting of these studies could have provided peer reviewers and editors with sufficient information to question the methods used and the validity of results. Since these studies used routinely collected health data, the guidelines for the REporting of studies Conducted using Observational Routinely collected health Data (RECORD) should have been applied to ensure complete reporting of the research. METHODS We evaluated the two retracted articles for completeness of reporting using the RECORD for Pharmacoepidemiology (RECORD-PE) checklist, which includes the checklists for the STengthening the Reporting of OBservational studies in Epidemiology (STROBE) and RECORD. We compared the proportion of STROBE, RECORD and RECORD-PE items adequately reported using Chi-squared statistics. RESULTS In the article published by The Lancet, 29 of 34 STROBE items (85.3%) were adequately reported, compared with 3.5 of 13 RECORD items (26.9%) and 9.5 of 15 RECORD-PE items (63.3%)(χ2 = 14.839, P <0.001). Similarly, the article published in NEJM reported 24 of 34 STROBE items (70.6%), two of 13 RECORD items (15.4%), and 7.5 of 15 RECORD-PE items (50.0%) (χ2 = 11.668, P = 0.003). Important aspects of the methods unique to research using routinely collected health data were not reported, including variables used to identify exposure, outcome and confounders, validation of the coding or algorithms, a description of the underlying database population and the accuracy of data linkage methods. DISCUSSION While STROBE items were generally adequately reported, RECORD and RECORD-PE items were not. Reporting guidelines should be effectively implemented in order for transparency and completeness of research manuscripts, allowing for adequate evaluation by editors and peer reviewers.
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Affiliation(s)
- Eric I Benchimol
- Department of Paediatrics, University of Toronto, Toronto, Canada
- Child Health Evaluative Sciences, SickKids Research Institute, and Division of Gastroenterology, Hepatology and Nutrition, The Hospital for Sick Children, Toronto, Canada
- ICES, Toronto, Canada
| | - David Moher
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Canada
- Centre for Journalology, Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, Canada
| | - Vera Ehrenstein
- Department of Clinical Epidemiology, Aarhus University, Aarhus, Denmark
| | - Sinéad M Langan
- Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK
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Kasapçopur Ö. Science and pseudoscience during the COVID-19 pandemic. TURK PEDIATRI ARSIVI 2020; 55:335-336. [PMID: 33414649 PMCID: PMC7750353 DOI: 10.14744/turkpediatriars.2020.35902] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 11/12/2020] [Indexed: 11/20/2022]
Affiliation(s)
- Özgür Kasapçopur
- Department of Pediatrics, İstanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine, İstanbul, Turkey
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Moradi S, Abdi S. Pandemic publication: correction and erratum in COVID-19 publications. Scientometrics 2020; 126:1849-1857. [PMID: 33250543 PMCID: PMC7680214 DOI: 10.1007/s11192-020-03787-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Indexed: 12/21/2022]
Abstract
This commentary identifies and characterizes correction and erratum in COVID-19 publications with a scientometric approach by considering their rate of growth, reasons for correction, the time-span between publishing the original and corrected versions, as well as their citation status in four questions. It also suggestions to solve the current issues regarding indexing, retrieving, publishing, and research evaluation.
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Affiliation(s)
- Shima Moradi
- Policy Evaluation, and Science, Technology and Innovation Monitoring Department, National Research Institute for Science Policy (NRISP), Teharn, Iran
| | - Sajedeh Abdi
- Policy Evaluation, and Science, Technology and Innovation Monitoring Department, National Research Institute for Science Policy (NRISP), Teharn, Iran
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Scholarly publishing and journal targeting in the time of the Coronavirus Disease 2019 (COVID-19) pandemic: a cross-sectional survey of rheumatologists and other specialists. Rheumatol Int 2020; 40:2023-2030. [PMID: 33048199 PMCID: PMC7552576 DOI: 10.1007/s00296-020-04718-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 09/28/2020] [Indexed: 12/18/2022]
Abstract
The evolving research landscape in the time of the Coronavirus disease 2019 (COVID-19) pandemic calls for greater understanding of the perceptions of scholars regarding the current state and future of publishing. An anonymised and validated e-survey featuring 30 questions was circulated among rheumatologists and other specialists over social media to understand preferences while choosing target journals, publishing standards, commercial editing services, preprint archiving, social media and alternative publication activities. Of 108 respondents, a significant proportion were clinicians (68%), researchers (60%) and educators (47%), with median 23 publications and 15 peer-review accomplishments. The respondents were mainly rheumatologists from India, Ukraine and Turkey. While choosing target journals, relevance to their field (69%), PubMed Central archiving (61%) and free publishing (59%) were the major factors. Thirty-nine surveyees (36%) claimed that they often targeted local journals for publishing their research. However, only 18 (17%) perceived their local society journals as trustworthy. Occasional publication in the so-called predatory journals (5, 5%) was reported and obtaining support from commercial editing agencies to improve English and data presentation was not uncommon (23, 21%). The opinion on preprint archiving was disputed; only one-third believed preprints were useful. High-quality peer review (56%), full and immediate open access (46%) and post-publication social media promotion (32%) were identified as key anticipated features of scholarly publishing in the foreseeable future. These perceptions of surveyed scholars call for greater access to free publishing, attention to proper usage of English and editing skills, and a larger role for engagement over social media.
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Angiotensin-Converting Enzyme 2 as a Possible Correlation between COVID-19 and Periodontal Disease. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10186224] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
SARS-CoV-2 propagation in the world has led to rapid growth and an acceleration in the discoveries and publications of various interests. The main focus of a consistent number of studies has been the role of angiotensin-converting enzyme 2 (ACE2) in binding the virus and its role in expression of the inflammatory response after transmission. ACE2 is an enzyme involved in the renin–angiotensin system (RAS), whose key role is to regulate and counter angiotensin-converting enzyme (ACE), reducing the amount of angiotensin II and increasing angiotensin 1–7 (Ang1–7), making it a promising drug target for treating cardiovascular diseases. The classical RAS axis, formed by ACE, angiotensin II (Ang II), and angiotensin receptor type 1 (AT1), activates several cell functions and molecular signalling pathways related to tissue injury and inflammation. In contrast, the RAS axis composed of ACE2, Ang1–7, and Mas receptor (MasR) exerts the opposite effect concerning the inflammatory response and tissue fibrosis. Recent studies have shown the presence of the RAS system in periodontal sites where osteoblasts, fibroblasts, and osteoclasts are involved in bone remodelling, suggesting that the role of ACE2 might have a fundamental function in the under- or overexpression of cytokines such as interleukin-6 (IL-6), interleukin-7 (IL-7), tumour necrosis factor alpha (TNF-α), interleukin-2 (IL-2), interleukin-1 beta (IL-1β), monocyte chemoattractant protein-1 (MCP-1), and transforming growth factor-beta (TGF-β), associated with a periodontal disorder, mainly during coinfection with SARS-CoV-2, where ACE2 is underexpressed and cannot form the ACE2–Ang1–7–MasR axis. This renders the patient unresponsive to an inflammatory process, facilitating periodontal loss.
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