OOIR: Observatory of International Research

Papers

(The H4-Index of Digestive Endoscopy is 25. 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 2020-11-01 to 2024-11-01.)

Article	Citations
Guidelines for endoscopic submucosal dissection and endoscopic mucosal resection for early gastric cancer (second edition)	287
Colonoscopy screening and surveillance guidelines	76
Guidelines for sedation in gastroenterological endoscopy (second edition)	56
Adverse events of endoscopic ultrasound‐guided fine‐needle aspiration for histologic diagnosis in Japanese tertiary centers: Multicenter retrospective study	52
Endoscopic screening for gastric cancer in Japan: Current status and future perspectives	48
Status of single‐balloon enteroscopy‐assisted endoscopic retrograde cholangiopancreatography in patients with surgically altered anatomy: Systematic review and meta‐analysis on biliary interventions	48
Endoscopic ultrasound‐guided fine needle aspiration versus biopsy for diagnosis of autoimmune pancreatitis: Systematic review and comparative meta‐analysis	47
Outcomes of endoscopic submucosal dissection for colorectal neoplasms: Prospective, multicenter, cohort trial	41
Kyoto classification risk scoring system and endoscopic grading of gastric intestinal metaplasia for gastric cancer: Multicenter observation study in Japan	38
Current status of artificial intelligence analysis for endoscopic ultrasonography	36
Covered self‐expandable metal stents versus plastic stents for preoperative biliary drainage in patient receiving neo‐adjuvant chemotherapy for borderline resectable pancreatic cancer: Prospective ran	34
Real‐time artificial intelligence for endoscopic diagnosis of early esophageal squamous cell cancer (with video)	33
Endoscopic features and clinical importance of autoimmune gastritis	33
Current problems and perspectives of pathological risk factors for lymph node metastasis in T1 colorectal cancer: Systematic review	33
Guidelines for Colorectal Cold Polypectomy (supplement to “Guidelines for Colorectal Endoscopic Submucosal Dissection/Endoscopic Mucosal Resection”)	31
Clinical practice guidelines for endoscopic papillectomy	31
Updated evidence on the clinical impact of endoscopic radiofrequency ablation in the treatment of malignant biliary obstruction	30
Clinical dilemma of endoscopic ultrasound‐guided fine needle aspiration for resectable pancreatic body and tail cancer	30
Use of a novel lumen apposing metallic stent for drainage of the bile duct and gallbladder: Long term outcomes of a prospective international trial	29
Covered versus uncovered metal stent for endoscopic drainage of a malignant distal biliary obstruction: Meta‐analysis	29
Validation of the Orlando Protocol for endoscopic management of pancreatic fluid collections in the era of lumen‐apposing metal stents	28
Needle tract seeding after endoscopic ultrasound‐guided tissue acquisition of pancreatic tumors: Nationwide survey in Japan	26
Evaluation of the performances of a single‐use duodenoscope: Prospective multi‐center national study	26
Current status and future perspective on artificial intelligence for lower endoscopy	26
Clinical and technical outcomes of endoscopic closure of postendoscopic submucosal dissection defects: Literature review over one decade	26