OOIR: Observatory of International Research

Papers

(The H4-Index of BMC Gastroenterology is 28. 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 2021-07-01 to 2025-07-01.)

Article	Citations
Esophageal metastasis of renal cell carcinoma resected by endoscopic submucosal dissection: a case report	131
Elevated average maximum intrabolus pressure on high-resolution manometry is associated with esophageal dysmotility and delayed esophageal emptying on timed barium esophagram	102
Isolated dextrogastria with eventration of right hemidiaphragm and hiatal hernia in an adult male	98
Restarting elective endoscopy safely amidst an evolving pandemic and the impact of patient perception	92
Sweet’s syndrome and mucosal prolapse polyps in a male patient with ulcerative colitis	72
Association between air temperature and emergency admission for esophagogastric variceal bleeding: a case-crossover study in Beijing, China	56
Segmental reversal of the distal small intestine in a short bowel syndrome model in piglets showed detrimental effect on weight gain	54
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	51
An age-group analysis on the efficacy of chemotherapy in older adult patients with metastatic biliary tract cancer: a Japanese cancer registry cohort study	51
Incidentalomas are associated with an increase in liver transplantation in patients with cirrhosis: a single-center retrospective study	48
Typhoid fever presenting with gastric ulcer bleeding	38
The characteristics and clinical relevance of tumor fusion burden in non-EBV (+) gastric cancer with MSS	37
Positioning exercises in improving the quality of magnetic-controlled capsule endoscopy	37
Construction and validation of a survival prognostic model for stage III hepatocellular carcinoma: a real-world, multicenter clinical study	37
Residual choledocholithiasis after choledocholithotomy T-tube drainage: what is the best intervention strategy?	36
Endoscopic manifestation of intestinal transplant-associated microangiopathy after stem cell transplantation	34
Reduced muscle mass is an important part of Global Leadership Initiative on Malnutrition criteria in nutritional diagnosis of hepatocellular carcinoma	34
Expression of unfolded protein response genes in post-transplantation liver biopsies	33
Differential diagnosis of gastrointestinal stromal tumors versus leiomyomas by special stains	31
Correction: Clinical and endoscopic characteristics of patients undergoing gastrointestinal endoscopic procedures in Egypt: a nationwide multicenter study	31
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	31
The serum hepcidin and the hepcidin/ferritin ratio in NAFLD: a systematic review and meta-analysis	30
A negative correlation of low estimated glucose disposal rate with significant liver fibrosis in adults with NAFLD and obesity: results from NHANES 2017–2020	30
Short- and long-term outcomes of neoadjuvant chemotherapy compared with neoadjuvant chemoradiotherapy for locally advanced rectal cancer: an updated meta-analysis	29
The effect of solid food diet therapies on the induction and maintenance of remission in Crohn’s disease: a systematic review	28

Changes in liver stiffness values assessed using transient elastography in chronic hepatitis B patients treated with tenofovir disoproxil fumarate: a prospective observational study	28
Dietary phytochemical index and the risk of gallstone disease: a case-control study	28
Correction: The independent prognostic value of perioperative hepatic venous pressure gradient measurements in patients with portal hypertension who underwent laparoscopic splenectomy plus esophagogas	28