OOIR: Observatory of International Research

Papers

(The H4-Index of World Journal of Gastroenterology is 47. 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 2021-09-01 to 2025-09-01.)

Article	Citations
SARS-CoV-2 infection in people with pre-existing liver disease: Further research is warranted	295
Colorectal motility patterns and psychiatric traits in functional constipation and constipation-predominant irritable bowel syndrome: A study from China	280
Comment on “Prognostic value of preoperative enhanced computed tomography as a quantitative imaging biomarker in pancreatic cancer”	243
Gastroesophageal reflux after per-oral endoscopic myotomy: Management literature	191
Carcinoid syndrome caused by a pulmonary carcinoid mimics intestinal manifestations of ulcerative colitis: A case report	174
Very early onset perinatal constipation: Can it be cow’s milk protein allergy?	147
Amoxicillin high-dose dual therapy for Helicobacter pylori primary eradication: Proton pump inhibitor and potassium-competitive acid blocker, which’s better?	122
Link between pharyngeal acid reflux episodes and the effectiveness of proton pump inhibitor therapy	120
Perianal fistulizing Crohn’s disease: Mechanisms and treatment options focusing on cellular therapy	106
Three-dimensional location approach with silk thread guided hepatectomy for liver tumor	106
Improving early diagnosis of multiple endocrine neoplasia type 1 by assessing the gastrointestinal symptoms, hypercalcemia, and elevated serum gastrin	99
Back to the drawing board: Overview of the next generation of combination therapy for inflammatory bowel disease	96
Machine learning identifies the risk of complications after laparoscopic radical gastrectomy for gastric cancer	94
Involvement of nitrergic neurons in colonic motility in a rat model of ulcerative colitis	90
Molecular mechanisms implicated in SARS-CoV-2 liver tropism	86
Intestinal flora was associated with occurrence risk of chronic non-communicable diseases	82
Return to work in young and middle-aged colorectal cancer survivors: Factors influencing self-efficacy, fear, resilience, and financial toxicity	82
Endoscopic intramural cystogastrostomy for treatment of peripancreatic fluid collection: A viewpoint from a surgeon	80
Development and validation of a nomogram for preoperative prediction of tumor deposits in colorectal cancer	76
Gastric pentadecapeptide BPC 157 in cytoprotection to resolve major vessel occlusion disturbances, ischemia-reperfusion injury following Pringle maneuver, and Budd-Chiari syndrome	76
Modern drug discovery for inflammatory bowel disease: The role of computational methods	73
Fibroblast growth factor 15, induced by elevated bile acids, mediates the improvement of hepatic glucose metabolism after sleeve gastrectomy	72
Risk factors and a predictive nomogram for lymph node metastasis in superficial esophageal squamous cell carcinoma	67
Machine learning algorithms reveal gut microbiota signatures associated with chronic hepatitis B-related hepatic fibrosis	66
Contributions of the receptor for advanced glycation end products axis activation in gastric cancer	65

Abdominal cocoon in children: A case report and review of literature	64
Prostaglandin F_2α synthase promotes oxaliplatin resistance in colorectal cancer through prostaglandin F_2α-dependent and F_2α-independent mechanism	60
Systemic treatment for metastatic colorectal cancer	59
Role of one-step nucleic acid amplification in colorectal cancer lymph node metastases detection	59
Factors other than fibrosis that increase measured shear wave velocity	56
New objective scoring system to clinically assess fecal incontinence	55
Urea breath test for Helicobacter pylori infection in adult dyspeptic patients: A meta-analysis of diagnostic test accuracy	55
Nonlinear association between estimated plasma volume status and acute kidney injury in acute pancreatitis patients	55
New treatment for gastroesophageal reflux disease: Traditional medicine, Xiaochaihu decoction	55
Liver parasites: A global endemic and journey from infestation to intervention	54
Validation of prognostic scores for predicting acute liver failure and in-hospital death in patients with dengue-induced severe hepatitis	54
Dynamics of cytokines predicts risk of hepatocellular carcinoma among chronic hepatitis C patients after viral eradication	53
Study of the roles of caspase-3 and nuclear factor kappa B in myenteric neurons in a P2X7 receptor knockout mouse model of ulcerative colitis	52
Divergent trajectories of lean vs obese non-alcoholic steatohepatitis patients from listing to post-transplant: A retrospective cohort study	52
Endoscopic management of difficult common bile duct stones: Where are we now? A comprehensive review	51
Artificial intelligence system for the detection of Barrett’s esophagus	51
Gastroesophageal reflux following peroral endoscopic myotomy for achalasia: Bumps in the road to success	51
Presentation, patterns and predictive value of baseline liver tests on outcomes in COVID-19 patients without chronic liver disease	49
Parasites of the liver: A global problem?	49
Relationship between clinical remission of perianal fistulas in Crohn’s disease and serum adalimumab concentrations: A multi-center cross-sectional study	49
Leveraging machine learning for early recurrence prediction in hepatocellular carcinoma: A step towards precision medicine	49
Knowledge and attitudes towards the use of histological assessments in ulcerative colitis by gastroenterologists vs pathologists	48
Impaired coagulation, liver dysfunction and COVID-19: Discovering an intriguing relationship	47
Diagnostic role of transient elastography in patients with autoimmune liver diseases: A systematic review and meta-analysis	47