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 2021-11-01 to 2025-11-01.)

Article	Citations
Endoscopic manifestation of intestinal transplant-associated microangiopathy after stem cell transplantation	154
Construction and validation of a survival prognostic model for stage III hepatocellular carcinoma: a real-world, multicenter clinical study	123
Residual choledocholithiasis after choledocholithotomy T-tube drainage: what is the best intervention strategy?	83
Positioning exercises in improving the quality of magnetic-controlled capsule endoscopy	63
Isolated dextrogastria with eventration of right hemidiaphragm and hiatal hernia in an adult male	62
Sweet’s syndrome and mucosal prolapse polyps in a male patient with ulcerative colitis	57
Association between air temperature and emergency admission for esophagogastric variceal bleeding: a case-crossover study in Beijing, China	44
Segmental reversal of the distal small intestine in a short bowel syndrome model in piglets showed detrimental effect on weight gain	44
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	40
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	38
Typhoid fever presenting with gastric ulcer bleeding	37
The characteristics and clinical relevance of tumor fusion burden in non-EBV (+) gastric cancer with MSS	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
Expression of unfolded protein response genes in post-transplantation liver biopsies	35
Differential diagnosis of gastrointestinal stromal tumors versus leiomyomas by special stains	35
SASE, Success and Adverse event Score in Endoscopic Retrograde Cholangiopancreatography: a Novel Grading System	35
Short- and long-term outcomes of neoadjuvant chemotherapy compared with neoadjuvant chemoradiotherapy for locally advanced rectal cancer: an updated meta-analysis	35
Correction: Clinical and endoscopic characteristics of patients undergoing gastrointestinal endoscopic procedures in Egypt: a nationwide multicenter study	35
A negative correlation of low estimated glucose disposal rate with significant liver fibrosis in adults with NAFLD and obesity: results from NHANES 2017–2020	34
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	34
The serum hepcidin and the hepcidin/ferritin ratio in NAFLD: a systematic review and meta-analysis	33
Correction: The independent prognostic value of perioperative hepatic venous pressure gradient measurements in patients with portal hypertension who underwent laparoscopic splenectomy plus esophagogas	31
The effect of solid food diet therapies on the induction and maintenance of remission in Crohn’s disease: a systematic review	31

Relationship between serum total bilirubin levels and primary loss of response to Infliximab therapy in Crohn’s disease patients	31
Anorectal manometry for the diagnosis of pelvic floor disorders in patients with hypermobility spectrum disorders and hypermobile Ehlers-Danlos syndrome	30
Serum biomarkers of intestinal barrier dysfunction predict postoperative endoscopic recurrence in Crohn’s disease patients	30
Correction: Sevoflurane inhibits cholangiocarcinoma via Wnt/β-catenin signaling pathway	30
ARL9 is upregulated and serves as a biomarker for a poor prognosis in colon adenocarcinoma	30