OOIR: Observatory of International Research

Papers

(The H4-Index of Endoscopy is 35. 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
	509
Across-the-papilla side-by-side deployment of three braided stents for malignant hilar biliary obstruction	362
Endoscopic intraperitoneal subserosal dissection combined with endoscopic ultrasonography-assisted location of an extraluminally growing stromal tumor	277
Are we ready for the cold snare revolution?	223
Make the entrance wider and the depth deeper	180
A novel strategy for performing endoscopic submucosal dissection for circumferential superficial esophageal neoplastic lesions with kissing traction	158
Endoscopic ultrasound-guided antegrade stenting for benign biliary disease in an elderly patient with altered anatomy (Roux-en-Y)	142
Reply to Wu et al.	138
A novel endoscopy training system by video-based asynchronous communication	136
Management of multiple esophageal leaks with an ultra-large fully covered metallic stent after aborted peroral endoscopic myotomy	118
Traction and resection in treating gastric submucosal tumor growing extraluminally by using two snares like a ropeway	105
First-time endoscopic submucosal implantation of a wireless pacemaker device as a gastric submucosal electrical stimulator in a porcine model	98
Convergence of endobariatrics and endohepatology for evaluation and treatment of obesity and nonalcoholic fatty liver disease	91
Endoscopic transvaginal drainage and necrosectomy of presacral walled-off pancreatic necrosis	90
Endoscopic mucosal resection with a dedicated bipolar soft snare for large flat colonic polyps	80
A tricky gastric lesion diagnosed by small-bowel capsule endoscopy	69
Electrohydraulic lithotripsy with direct peroral cholangioscopy via double-balloon enteroscopy and endoscopic retrograde cholangiopancreatography in a liver transplant recipient	69
Endoscopic treatment of an unusual post-sleeve gastrectomy complication: first use in clinical practice	59
Endoscopic retrieval of a huge gastric trichobezoar after thermally induced cutting with a hook knife	59
Challenging underwater endoscopic mucosal resection of duodenal adenoma successfully achieved with combination of therapeutic pediatric colonoscope and retroflexion	59
Band-on-band endoscopic variceal ligation and alternative treatment strategies: Reply to Hu et al.	55
Targeted coagulation of large stalk vessels in giant pedunculated colorectal polyp: is endoscopic submucosal dissection the new way to go?	52
A loop cutter is an ideal gripper for endoscopic removal of press-through-package sheets	52
Commentary	50
ESGE news and upcoming events March 2023	47

Endoscopy E-Videos – recently published	47
Robotic endoscopic resection: the next revolution in therapeutic endoscopy is already here!	46
Commentary	39
Ectopic mediastinal parathyroid diagnosed by contrast-enhanced endoscopic ultrasound-guided fine-needle aspiration and eluate parathormone level	39
Endoscopic ultrasound-guided tissue acquisition using a novel Franseen needle for ampullary gangliocytic paraganglioma	38
Penetration of the common bile duct into the duodenum by a half-pigtail plastic stent: a rare complication of biliary stenting	38
Endoscopic ultrasound-guided vascular intervention for isolated gastric varices using the hydrocoil of an electrically detachable system	37
Reply to Rerknimitr	37
Treatment of a necrotic collection after tangential gastric resection by using an automated endoscopic debridement catheter	37
Endoscopy E-Videos – recently published	36
A syringe method for esophageal Lugol’s iodine chromoendoscopy	35