OOIR: Observatory of International Research

Papers

(The H4-Index of BMC Gastroenterology is 30. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-10-01 to 2025-10-01.)

Article	Citations
Endoscopic manifestation of intestinal transplant-associated microangiopathy after stem cell transplantation	143
Construction and validation of a survival prognostic model for stage III hepatocellular carcinoma: a real-world, multicenter clinical study	117
Residual choledocholithiasis after choledocholithotomy T-tube drainage: what is the best intervention strategy?	80
Positioning exercises in improving the quality of magnetic-controlled capsule endoscopy	62
Isolated dextrogastria with eventration of right hemidiaphragm and hiatal hernia in an adult male	61
Sweet’s syndrome and mucosal prolapse polyps in a male patient with ulcerative colitis	60
Association between air temperature and emergency admission for esophagogastric variceal bleeding: a case-crossover study in Beijing, China	57
Segmental reversal of the distal small intestine in a short bowel syndrome model in piglets showed detrimental effect on weight gain	54
An age-group analysis on the efficacy of chemotherapy in older adult patients with metastatic biliary tract cancer: a Japanese cancer registry cohort study	43
Characteristics, clinical outcomes and patient-reported outcomes of patients with ulcerative colitis receiving tofacitinib: a real-world survey in the United States and five European countries	42
Incidentalomas are associated with an increase in liver transplantation in patients with cirrhosis: a single-center retrospective study	40
Elevated average maximum intrabolus pressure on high-resolution manometry is associated with esophageal dysmotility and delayed esophageal emptying on timed barium esophagram	39
The characteristics and clinical relevance of tumor fusion burden in non-EBV (+) gastric cancer with MSS	38
Typhoid fever presenting with gastric ulcer bleeding	38
Changes in liver stiffness values assessed using transient elastography in chronic hepatitis B patients treated with tenofovir disoproxil fumarate: a prospective observational study	36
Short- and long-term outcomes of neoadjuvant chemotherapy compared with neoadjuvant chemoradiotherapy for locally advanced rectal cancer: an updated meta-analysis	36
SASE, Success and Adverse event Score in Endoscopic Retrograde Cholangiopancreatography: a Novel Grading System	34
The impact of symptom distress on health-related quality of life in liver cancer patients receiving arterial chemoembolization: the mediating role of hope	34
Correction: Clinical and endoscopic characteristics of patients undergoing gastrointestinal endoscopic procedures in Egypt: a nationwide multicenter study	33
The serum hepcidin and the hepcidin/ferritin ratio in NAFLD: a systematic review and meta-analysis	33
Correction: Positive association of nap duration with risk of non-alcoholic fatty liver disease in an occupational population in Guangdong Province, China: a cross-sectional study	33
A negative correlation of low estimated glucose disposal rate with significant liver fibrosis in adults with NAFLD and obesity: results from NHANES 2017–2020	33
Differential diagnosis of gastrointestinal stromal tumors versus leiomyomas by special stains	33
Expression of unfolded protein response genes in post-transplantation liver biopsies	33
Factors contributing to flares of ulcerative colitis in North India- a case-control study	32

The effect of solid food diet therapies on the induction and maintenance of remission in Crohn’s disease: a systematic review	32
Neuregulin1 ameliorates metabolic dysfunction-associated fatty liver disease via the ERK/SIRT1 signaling pathways	30
Relationship between serum total bilirubin levels and primary loss of response to Infliximab therapy in Crohn’s disease patients	30
Phosphodiesterase 5 (PDE-5) inhibitors (sildenafil, tadalafil, and vardenafil) effects on esophageal motility: a systematic review	30
Correction: The independent prognostic value of perioperative hepatic venous pressure gradient measurements in patients with portal hypertension who underwent laparoscopic splenectomy plus esophagogas	30