OOIR: Observatory of International Research

Papers

(The H4-Index of Digestive Endoscopy 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 2022-01-01 to 2026-01-01.)

Article	Citations
Can we find a precise timing for endoscopic intervention in gastrointestinal bleeding?	86
WEO Newsletter	67
Response to: Site of puncture in endoscopic ultrasound‐guided fine needle biopsy: Does it change diagnostic outcome?	65
Endoscopic diagnosis of immunoglobulin G4‐related sclerosing cholangitis	54
How to manage adverse events after endoscopic resection of superficial duodenal epithelial tumors	53
Tribute to our reviewers	49
Quality indicators in endoscopic screening and the role of artificial intelligence	48
Clinical significance and efficacy of endoscopic ultrasound‐guided tissue acquisition for para‐aortic lymph node metastasis	46
Development and validation of a scoring system for in‐hospital mortality following band ligation in esophageal variceal bleeding	45
Reinsertion of a removed self‐expandable metal stent through an endosonographically created route after hepaticojejunostomy for multiple cholangioscopy‐guided procedures	42
Enhancing visibility in gastric endoscopic dissection: Red dichromatic imaging in managing submucosal fatty tissue	41
Comorbidity burden and outcomes of endoscopic ultrasound‐guided treatment of pancreatic fluid collections: Multicenter study with nationwide data‐based validation	41
Replacement of lumen‐apposing metal stents with double pigtail stents in disconnected pancreatic duct syndrome: Choice or necessity?	38
Response to reply to “Prognostic and recurrence factors after endoscopic injection sclerotherapy for esophageal varices: Multivariate analysis with propensity score matching” by Abe et al.	37
Colonic tumor in a diverticulum removed by endoscopic submucosal dissection: Two‐step strategy using multi‐loop traction devices	37
Effectiveness with open‐clutch method using ClutchCutter for severe fibrosis in colorectal endoscopic submucosal dissection	36
Needle tract seeding after endoscopic ultrasound‐guided pancreatic biopsy: Moving beyond anecdotal evidence	36
Endoscopic carbon dioxide insufflation treating malignant colonic intussusception	35
Peroral digital cholangioscopy‐assisted removal of a migrated biliary plastic stent using a novel small dilating balloon	34
New milestone for clinical research about biliary drainage	31
Measurement of the anchoring force of covered self‐expandable and lumen‐apposing metal stents for interventional endoscopic ultrasonography	31
High complete resection rates of underwater endoscopic mucosal resection for intermediate‐sized sessile serrated lesions	29
Novel technique “short myotomy” during endoscopic submucosal dissection for a diverticulum‐associated colonic lesion	28
Homemade endoscopic vacuum therapy device for the management of transmural gastrointestinal defects	28
Artificial Intelligence‐Assisted Whole Slide Image Analysis for Lymph Node Status Prediction in Early Colorectal and Gastric Cancer	27

Cover Image	27
Analysis of the Yield of Intestinal Metaplasia Based on Biopsy Numbers and Follow‐Up Endoscopy in a Large Series of Asian Patients With Barrett's Esophagus	27
The 104th Congress of the Japan Gastroenterological Endoscopy Society	27