OOIR: Observatory of International Research

Papers

(The H4-Index of Endoscopy is 36. 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
Commentary	469
Author commentary on Souya Nunobe et al.	346
Effect of an automated flexible endoscope channel brushing system on improving reprocessing quality: a randomized controlled study	256
ESGE news and upcoming events March 2023	208
Endoscopy E-Videos – recently published	164
Make the entrance wider and the depth deeper	150
A novel strategy for performing endoscopic submucosal dissection for circumferential superficial esophageal neoplastic lesions with kissing traction	131
Endoscopic ultrasound-guided antegrade stenting for benign biliary disease in an elderly patient with altered anatomy (Roux-en-Y)	122
Eradication of angiomas by nylon loop snare ligation under total enteroscopy, in disseminated intravascular coagulation associated with blue rubber bleb nevus syndrome	112
Reply to Wu et al.	107
A novel endoscopy training system by video-based asynchronous communication	102
A double-guidewire technique for endoscopic ultrasonography-guided pancreatic drainage after pancreaticoduodenectomy	91
Management of multiple esophageal leaks with an ultra-large fully covered metallic stent after aborted peroral endoscopic myotomy	90
Traction and resection in treating gastric submucosal tumor growing extraluminally by using two snares like a ropeway	84
First-time endoscopic submucosal implantation of a wireless pacemaker device as a gastric submucosal electrical stimulator in a porcine model	78
Convergence of endobariatrics and endohepatology for evaluation and treatment of obesity and nonalcoholic fatty liver disease	75
Endoscopic transvaginal drainage and necrosectomy of presacral walled-off pancreatic necrosis	71
Endoscopic mucosal resection with a dedicated bipolar soft snare for large flat colonic polyps	65
Electrohydraulic lithotripsy with direct peroral cholangioscopy via double-balloon enteroscopy and endoscopic retrograde cholangiopancreatography in a liver transplant recipient	62
A tricky gastric lesion diagnosed by small-bowel capsule endoscopy	57
Endoscopic ultrasound-guided hepaticojejunostomy using forward-viewing echoendoscope for transected aberrant right posterior hepatic duct in Roux-en-Y hepaticojejunostomy	53
Challenging underwater endoscopic mucosal resection of duodenal adenoma successfully achieved with combination of therapeutic pediatric colonoscope and retroflexion	52
Endoscopic retrieval of a huge gastric trichobezoar after thermally induced cutting with a hook knife	51
Band-on-band endoscopic variceal ligation and alternative treatment strategies: Reply to Hu et al.	50
Endoscopic treatment of an unusual post-sleeve gastrectomy complication: first use in clinical practice	50

A loop cutter is an ideal gripper for endoscopic removal of press-through-package sheets	49
Targeted coagulation of large stalk vessels in giant pedunculated colorectal polyp: is endoscopic submucosal dissection the new way to go?	46
	45
ESGE news and upcoming events October 2021	45
Endoscopic submucosal dissection with early multitraction placed before circumferential incision allows excellent exposure but with a risk of catching the muscularis propria	45
Simulated lateral tunneling for treating a huge submucosal tumor at the cervical esophagus	44
Life-threatening small-bowel diverticular bleed treated by double-balloon enteroscopy in a patient refusing transfusion	43
Retroflexed endoscopic submucosal dissection of a lesion invading the pyloric ring, using a newly developed thin endoscope	43
Endoscopic sutured purse-string resection: a novel technique for resection of large gastric subepithelial lesions	39
Duodenal neuroendocrine tumor successfully removed by endoscopic submucosal dissection with adaptative traction device	36
New-generation endocytoscopy for optical characterization of elevated-type early gastric cancer	36
Endoscopic vacuum therapy for esophageal perforations: size and etiology of the defect need to be considered	36