OOIR: Observatory of International Research

Papers

(The H4-Index of Endoscopy is 37. 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 2021-07-01 to 2025-07-01.)

Article	Citations
Commentary	438
Author commentary on Souya Nunobe et al.	325
Effect of an automated flexible endoscope channel brushing system on improving reprocessing quality: a randomized controlled study	245
ESGE news and upcoming events March 2023	194
Endoscopy E-Videos – recently published	149
Make the entrance wider and the depth deeper	142
Self-expandable metallic stent deployment across the ileocecal valve in a patient with an acute colonic obstruction	124
A novel strategy for performing endoscopic submucosal dissection for circumferential superficial esophageal neoplastic lesions with kissing traction	109
Endoscopic vacuum therapy of a refractory esophagopleural fistula in a patient with Boerhaave syndrome, using an innovative hybrid stent	109
Endoscopic ultrasound-guided antegrade stenting for benign biliary disease in an elderly patient with altered anatomy (Roux-en-Y)	92
Eradication of angiomas by nylon loop snare ligation under total enteroscopy, in disseminated intravascular coagulation associated with blue rubber bleb nevus syndrome	90
Reply to Wu et al.	82
A novel endoscopy training system by video-based asynchronous communication	80
A double-guidewire technique for endoscopic ultrasonography-guided pancreatic drainage after pancreaticoduodenectomy	77
Clip and dental floss traction-assisted endoscopic mucosal resection for early carcinoma of the duodenal papilla	76
Management of multiple esophageal leaks with an ultra-large fully covered metallic stent after aborted peroral endoscopic myotomy	74
First-time endoscopic submucosal implantation of a wireless pacemaker device as a gastric submucosal electrical stimulator in a porcine model	73
Traction and resection in treating gastric submucosal tumor growing extraluminally by using two snares like a ropeway	73
Convergence of endobariatrics and endohepatology for evaluation and treatment of obesity and nonalcoholic fatty liver disease	65
Endoscopic transvaginal drainage and necrosectomy of presacral walled-off pancreatic necrosis	59
Endoscopic mucosal resection with a dedicated bipolar soft snare for large flat colonic polyps	57
Electrohydraulic lithotripsy with direct peroral cholangioscopy via double-balloon enteroscopy and endoscopic retrograde cholangiopancreatography in a liver transplant recipient	55
A tricky gastric lesion diagnosed by small-bowel capsule endoscopy	52
Endoscopic ultrasound-guided hepaticojejunostomy using forward-viewing echoendoscope for transected aberrant right posterior hepatic duct in Roux-en-Y hepaticojejunostomy	51
Safety of motorized spiral enteroscopy: is what we know today enough?	48

Challenging underwater endoscopic mucosal resection of duodenal adenoma successfully achieved with combination of therapeutic pediatric colonoscope and retroflexion	47
Endoscopic retrieval of a huge gastric trichobezoar after thermally induced cutting with a hook knife	46
Endoscopic treatment of an unusual post-sleeve gastrectomy complication: first use in clinical practice	45
A loop cutter is an ideal gripper for endoscopic removal of press-through-package sheets	45
Band-on-band endoscopic variceal ligation and alternative treatment strategies: Reply to Hu et al.	45
Targeted coagulation of large stalk vessels in giant pedunculated colorectal polyp: is endoscopic submucosal dissection the new way to go?	43
ESGE news and upcoming events October 2021	42
	42
Endoscopic submucosal dissection with early multitraction placed before circumferential incision allows excellent exposure but with a risk of catching the muscularis propria	42
Simulated lateral tunneling for treating a huge submucosal tumor at the cervical esophagus	41
Life-threatening small-bowel diverticular bleed treated by double-balloon enteroscopy in a patient refusing transfusion	39
Retroflexed endoscopic submucosal dissection of a lesion invading the pyloric ring, using a newly developed thin endoscope	37