OOIR: Observatory of International Research

Papers

(The H4-Index of BMC Gastroenterology is 27. 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 2021-06-01 to 2025-06-01.)

Article	Citations
Esophageal metastasis of renal cell carcinoma resected by endoscopic submucosal dissection: a case report	126
Elevated average maximum intrabolus pressure on high-resolution manometry is associated with esophageal dysmotility and delayed esophageal emptying on timed barium esophagram	98
Trend of geographical distribution of stomach cancer in Iran from 2004 to 2014	90
Isolated dextrogastria with eventration of right hemidiaphragm and hiatal hernia in an adult male	89
Restarting elective endoscopy safely amidst an evolving pandemic and the impact of patient perception	68
Sweet’s syndrome and mucosal prolapse polyps in a male patient with ulcerative colitis	55
Association between air temperature and emergency admission for esophagogastric variceal bleeding: a case-crossover study in Beijing, China	51
A survey on Helicobacter pylori infection rate in Hainan Province and analysis of related risk factors	50
Segmental reversal of the distal small intestine in a short bowel syndrome model in piglets showed detrimental effect on weight gain	48
An age-group analysis on the efficacy of chemotherapy in older adult patients with metastatic biliary tract cancer: a Japanese cancer registry cohort study	46
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	37
Changes in liver stiffness values assessed using transient elastography in chronic hepatitis B patients treated with tenofovir disoproxil fumarate: a prospective observational study	36
Incidentalomas are associated with an increase in liver transplantation in patients with cirrhosis: a single-center retrospective study	36
Positioning exercises in improving the quality of magnetic-controlled capsule endoscopy	34
Typhoid fever presenting with gastric ulcer bleeding	34
Construction and validation of a survival prognostic model for stage III hepatocellular carcinoma: a real-world, multicenter clinical study	32
Factors contributing to flares of ulcerative colitis in North India- a case-control study	32
The characteristics and clinical relevance of tumor fusion burden in non-EBV (+) gastric cancer with MSS	32
Residual choledocholithiasis after choledocholithotomy T-tube drainage: what is the best intervention strategy?	31
Endoscopic manifestation of intestinal transplant-associated microangiopathy after stem cell transplantation	30
Reduced muscle mass is an important part of Global Leadership Initiative on Malnutrition criteria in nutritional diagnosis of hepatocellular carcinoma	30
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	28
Expression of unfolded protein response genes in post-transplantation liver biopsies	28
Correction: Clinical and endoscopic characteristics of patients undergoing gastrointestinal endoscopic procedures in Egypt: a nationwide multicenter study	28
The effect of solid food diet therapies on the induction and maintenance of remission in Crohn’s disease: a systematic review	28

A negative correlation of low estimated glucose disposal rate with significant liver fibrosis in adults with NAFLD and obesity: results from NHANES 2017–2020	27
Differential diagnosis of gastrointestinal stromal tumors versus leiomyomas by special stains	27
External application of mirabilite before surgery can reduce the inflammatory response and accelerate recovery in mild acute biliary pancreatitis	27