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 2021-06-01 to 2025-06-01.)

Article	Citations
ESGE news and upcoming events July 2021	425
Commentary	316
Author commentary on Souya Nunobe et al.	239
Effect of an automated flexible endoscope channel brushing system on improving reprocessing quality: a randomized controlled study	186
ESGE news and upcoming events March 2023	142
Endoscopy E-Videos – recently published	139
Make the entrance wider and the depth deeper	135
Self-expandable metallic stent deployment across the ileocecal valve in a patient with an acute colonic obstruction	122
A novel strategy for performing endoscopic submucosal dissection for circumferential superficial esophageal neoplastic lesions with kissing traction	107
Endoscopic vacuum therapy of a refractory esophagopleural fistula in a patient with Boerhaave syndrome, using an innovative hybrid stent	103
Endoscopic ultrasound-guided antegrade stenting for benign biliary disease in an elderly patient with altered anatomy (Roux-en-Y)	87
Eradication of angiomas by nylon loop snare ligation under total enteroscopy, in disseminated intravascular coagulation associated with blue rubber bleb nevus syndrome	86
Reply to Wu et al.	75
A novel endoscopy training system by video-based asynchronous communication	73
Clip and dental floss traction-assisted endoscopic mucosal resection for early carcinoma of the duodenal papilla	71
A double-guidewire technique for endoscopic ultrasonography-guided pancreatic drainage after pancreaticoduodenectomy	71
Management of multiple esophageal leaks with an ultra-large fully covered metallic stent after aborted peroral endoscopic myotomy	71
Traction and resection in treating gastric submucosal tumor growing extraluminally by using two snares like a ropeway	70
First-time endoscopic submucosal implantation of a wireless pacemaker device as a gastric submucosal electrical stimulator in a porcine model	69
Endoscopic transvaginal drainage and necrosectomy of presacral walled-off pancreatic necrosis	59
Convergence of endobariatrics and endohepatology for evaluation and treatment of obesity and nonalcoholic fatty liver disease	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	52
A tricky gastric lesion diagnosed by small-bowel capsule endoscopy	50
Endoscopic ultrasound-guided hepaticojejunostomy using forward-viewing echoendoscope for transected aberrant right posterior hepatic duct in Roux-en-Y hepaticojejunostomy	48

Safety of motorized spiral enteroscopy: is what we know today enough?	46
Endoscopic ultrasound-guided choledochojejunostomy using a forward-viewing echoendoscopic saddle-cross technique	45
Challenging underwater endoscopic mucosal resection of duodenal adenoma successfully achieved with combination of therapeutic pediatric colonoscope and retroflexion	45
Endoscopic retrieval of a huge gastric trichobezoar after thermally induced cutting with a hook knife	44
Endoscopic treatment of an unusual post-sleeve gastrectomy complication: first use in clinical practice	43
Band-on-band endoscopic variceal ligation and alternative treatment strategies: Reply to Hu et al.	43
A loop cutter is an ideal gripper for endoscopic removal of press-through-package sheets	42
Targeted coagulation of large stalk vessels in giant pedunculated colorectal polyp: is endoscopic submucosal dissection the new way to go?	41
Endoscopic submucosal dissection with early multitraction placed before circumferential incision allows excellent exposure but with a risk of catching the muscularis propria	41
	40
ESGE news and upcoming events October 2021	38
Life-threatening small-bowel diverticular bleed treated by double-balloon enteroscopy in a patient refusing transfusion	37
Simulated lateral tunneling for treating a huge submucosal tumor at the cervical esophagus	37