A prospective multicenter study of submucosal injection to improve endoscopic snare papillectomy for ampullary adenoma

Gastrointestinal Endoscopy
Jong Jin HyunSang Heum Park

Abstract

Whether or not submucosal injection of a diluted epinephrine solution should be used to lift ampullary tumors during endoscopic snare papillectomy is unclear. This study aimed to investigate the clinical efficacy of a simple snaring method versus submucosal injection for papillectomy. A prospective multicenter study was performed at 4 tertiary referral centers. Patients with papillary lesions were randomized to undergo either simple snare papillectomy (SSP) or submucosal injection papillectomy (SIP) using 1:10,000 diluted epinephrine. The main outcome measures were complete resection rate and post-papillectomy adverse events. A total of 50 patients with biopsy-proven papillary adenomas were enrolled. Complete resection rates in the SSP and SIP groups were 80.8% (21/26) and 50.0% (12/24), respectively (P = .02). However, tumor persistence at 1 month (15.4% vs 8.3%, P = .62) and recurrence at 12 months (12.0% vs 9.5%, P = .58) did not differ despite initial differences in the prevalence of a positive resection margin. The mean tumor size was 12 mm in the SSP group and 9.29 mm in the SIP group. Post-papillectomy bleeding developed in 42.3% (11/26) and 45.8% (11/24) of patients, respectively (P = .80). Delayed bleeding (>12 h) occu...Continue Reading

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Citations

Jun 28, 2019·Internal Medicine·Kazuhiro MinamiTakao Itoi
Nov 7, 2019·Journal of Gastroenterology and Hepatology·Koichi KagawaAtsushi Nakajima
May 10, 2020·Expert Review of Gastroenterology & Hepatology·Kenjiro YamamotoTakao Itoi
Jun 9, 2018·United European Gastroenterology Journal·Kwang Hyun ChungYong-Tae Kim
Jan 4, 2020·Journal of Gastrointestinal Surgery : Official Journal of the Society for Surgery of the Alimentary Tract·Paolo CecinatoRomano Sassatelli
Jul 18, 2020·Journal of Gastroenterology and Hepatology·Jae Kook YangSang-Heum Park
Jun 22, 2019·Digestive Endoscopy : Official Journal of the Japan Gastroenterological Endoscopy Society·Eisuke IwasakiTakanori Kanai
Aug 3, 2020·Current Opinion in Gastroenterology·Jagpal S KlairRichard Kozarek
Nov 13, 2020·World Journal of Gastroenterology : WJG·Lei JiangHong-Bin Wang
Apr 23, 2021·Gastrointestinal Endoscopy·Jeska A FritzscheRogier P Voermans
Feb 5, 2021·Surgical Laparoscopy, Endoscopy & Percutaneous Techniques·Pietro GambittaMaurizio Vertemati

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