Advances in gastrointestinal vascular bleeding disorders: Successful sirolimus treatment in colonic angioectasia

Table 1 Top 20 countries and institutions contributing to research in gastrointestinal vascular bleeding disorders

Rank	Country	Counts	Percent (%)	Institutions	Counts	Percent (%)
1	United States	141	30	Harvard University	20	4
2	Japan	50	11	Mayo Clinic	20	4
3	China	49	10	Massachusetts General Hospital	15	3
4	Italy	41	9	Harvard Medical School	14	3
5	England	36	8	University of Toronto	12	3
6	Spain	26	6	Cleveland Clinic Foundation	11	2
7	Germany	25	5	University of California System	11	2
8	South Korea	21	4	University of London	10	2
9	Canada	20	4	Johns Hopkins University	9	2
10	France	18	4	Saint Michaels Hospital Toronto	9	2
11	Netherlands	14	3	University College London	9	2
12	Turkey	10	2	Us Department of Veterans Affairs	9	2
13	Australia	9	2	Veterans Health Administration Vha	9	2
14	Ireland	8	2	Ciber Centro De Investigacion Biomedica En Red	8	2
15	Israel	8	2	Assistance Publique Hopitaux Paris Aphp	7	1
16	Greece	6	1	Consejo Superior De Investigaciones Cientificas Csic	7	1
17	Argentina	5	1	Csic Centro De Investigaciones Biologicas Cib	7	1
18	India	5	1	University of Utah	7	1
19	Poland	5	1	Utah System of Higher Education	7	1
20	Saudi Arabia	5	1	Washington University Wustl	7	1

Table 2 Principal investigators and co-cited scholars

Rank	Authors	Document	Co-cited authors	Citations
1	Al-samkari H	9	Shovlin CI	113
2	Blackshear JL	6	Lewis BS	92
3	Faughnan ME	6	Junquera F	80
4	lyer VN	6	Foutch PG	69
5	Mcnamara D	6	Pennazio M	62
6	Gossage JR	5	Boley SJ	62
7	Holleran G	5	Gostout CJ	59
8	Pagella F	5	Warkentin TE	54
9	Rodriguez-lopez J	5	Yamamoto H	54
10	Bernabeu C	4	Al-Samkari H	51

Table 3 Leading academic journals by publication volume on gastrointestinal vascular bleeding disorders studies

Rank	Journal	H-index	IF (2023)	JCR	Publications	Citations	Average citation/publication
1	European Journal of Gastroenterology and Hepatology	95	2.3	Q3	19	203	11
2	Digestive Diseases and Sciences	113	2.5	Q2	18	617	34
3	World Journal of Gastroenterology	129	4.3	Q1	15	378	25
4	Endoscopy	129	11.5	Q1	13	1243	96
5	Journal of Clinical Gastroenterology	102	2.8	Q2	13	291	22
6	Digestive and Liver Disease	84	4	Q1	8	181	23
7	Scandinavian Journal of Gastroenterology	105	1.6	Q3	8	117	15
8	Internal Medicine	64	1	Q3	7	61	9
9	Blood Coagulation and Fibrinolysis	67	1.2	Q4	6	79	13
10	Journal of Gastrointestinal and Liver Diseases	42	2.1	Q3	6	116	19

IF: Impact factor; JCR: Journal citation reports.

Table 4 Leading journals co-cited in studies on gastrointestinal vascular bleeding disorders over the past two decades

Rank	Co-cited journal	H-index	IF (2023)	JCR	Co-citations
1	Gastrointestinal Endoscopy	188	7.7	Q1	982
2	American Journal of Gastroenterology	234	8	Q1	749
3	Gastroenterology	368	25.7	Q1	654
4	Endoscopy	129	11.5	Q1	587
5	New England Journal of Medicine	933	96.2	Q1	385
6	Gut	262	23	Q1	316
7	Digestive Diseases and Sciences	113	2.5	Q2	256
8	Journal of Clinical Gastroenterology	102	2.8	Q2	254
9	Journal of Heart and Lung Transplantation	122	6.4	Q1	193
10	blood	426	21	Q1	189

IF: Impact factor; JCR: Journal citation reports.

Table 5 Most referenced works on gastrointestinal vascular bleeding disorders

Rank	Co-cited reference	Citations
1	Shovlin CL (2000). J Am J Med Genet	45
2	Jabbari M (1984). Gastroenterology	41
3	Foutch PG (1993). Am J Gastroenterol	40
4	Vincentelli A (2003). New Engl J Med	40
5	Boley SJ (1977). Gastroenterology	35
6	Pennazio M (2004). Gastroenterology	34
7	Ell C (2002). Endoscopy	33
8	Gostout CJ (1992). J Clin Gastroenterol	33
9	Heyde EC (1958). New Engl J Med	31
10	Spahr L (1999). Gut	30

Table 6 Proliferation of scholarly references for the top 10 articles on gastrointestinal vascular bleeding disorders

Rank	Frequency	Centrality	Title	Journal	Author	Year
1	17	0.08	Capsule endoscopy in the evaluation of patients with suspected small intestinal bleeding: Results of a pilot study	Gastrointest Endosc	Lewis BS	2002
2	16	0.08	The first prospective controlled trial comparing wireless capsule endoscopy with push enteroscopy in chronic gastrointestinal bleeding	Endoscopy	Ell C	2002
3	15	0.11	Outcome of patients with obscure gastrointestinal bleeding after capsule endoscopy: Report of 100 consecutive cases	Gastroenterology	Pennazio M	2004
4	14	0	Intravenous Bevacizumab for Refractory Hereditary Hemorrhagic Telangiectasia-Related Epistaxis and Gastrointestinal Bleeding	Mayo Clin Proc	Iyer VN	2018
5	14	0.09	Review article: Gastrointestinal angiodysplasia - pathogenesis, diagnosis and management	Aliment Pharm Ther	Sami SS	2014
6	12	0.05	A prospective trial comparing small bowel radiographs and video capsule endoscopy for suspected small bowel disease	Gastroenterology	Costamagna G	2002
7	11	0.28	A single-center experience of 260 consecutive patients undergoing capsule endoscopy for obscure gastrointestinal bleeding	Am J Gastroenterol	Carey EJ	2007
8	10	0.15	Thalidomide for treatment of gastrointestinal angiodysplasia in patients with left ventricular assist devices: Case series and treatment protocol	J Heart Lung Transpl	Draper K	2015
9	10	0.14	ACG Clinical Guideline: Diagnosis and Management of Small Bowel Bleeding	Am J Gastroenterol	Gerson LB	2015
10	10	0.02	Safety of thalidomide and bevacizumab in patients with hereditary hemorrhagic telangiectasia	Orphanet J Rare Dis	Buscarini E	2019