Hot snare polypectomy versus endoscopic mucosal resection for small colorectal polyps: a randomized controlled trial
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and Other Interventional Techniques
Hot snare polypectomy versus endoscopic mucosal resection for small colorectal polyps: a randomized controlled trial Seung‑Jun Kim1 · Bo‑In Lee1 · Eun Sun Jung2 · Joon Sung Kim3 · Sun‑Young Jun4 · Woohyeon Kim1 · Hyoju Ham1 · Minah Kim1 · Sung Hak Lee5 · Han Hee Lee1 · Jae Myung Park1 · Myung‑Gyu Choi1 Received: 10 April 2020 / Accepted: 14 September 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Background and aims This study was performed to compare endoscopic mucosal resection (EMR) with hot snare polypectomy (HSP) in terms of the complete resection rate and the incidence of adverse events for resecting small (5–10 mm) colorectal polyps. Methods Small colorectal polyps (5–10 mm) with neoplastic features were randomly allocated to either the HSP or EMR group. A submucosal injection was performed prior to hot snaring in the EMR group only. Complete resection was defined as the absence of neoplastic tissue from two additional biopsies of the polypectomy site. R0 resection was defined as the absence of neoplastic tissue at the margin of the resected specimen. Results A total of 362 colon polyps from 272 patients were included, and 167 polyps in the HSP group and 155 polyps in the EMR group were analyzed. Between the polypectomy techniques, there was no significant difference in the complete resection rates, which were 96.4% (161/167) in the HSP group and 95.5% (148/155) in the EMR group (P = 0.67). The R0 resection rate in the HSP and EMR groups was significantly different, with 49.7% (83/167) and 74.8% (116/155), respectively (P
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