Cannulation procedure optimization for patients with duodenal papillary tumors
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and Other Interventional Techniques
Cannulation procedure optimization for patients with duodenal papillary tumors Junbo Hong1 · Honogtao Zhu2 · Wei Zuo3 · Liang Zhu1 · Xiaodong Zhou1 · Xiaojiang Zhou1 · Guohua Li1 · Zhijian Liu1 · Pi Liu1 · Hao Zhen1 · Yong Zhu1 · Anjiang Wang1 · Jiuhong Ma2 · Jianhui Yuan4 · Xu Shu1 · Yin Zhu1 · Nonghua Lu1 · Youxiang Chen1 Received: 25 June 2020 / Accepted: 1 October 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Background The goal of this study was to compare the efficacy and safety of needle-knife fistulotomy (NKF) to that of conventional cannulation methods (CCMs) when used for primary biliary access in patients with duodenal papillary tumors. Methods Consecutive patients who had duodenal papillary tumors and who underwent endoscopic retrograde cholangiopancreatography (ERCP) were retrospectively enrolled. Successful cannulation rates, cannulation and procedure times, and the prevalence of adverse events were compared between the NKF and CCM groups. Results A total of 404 patients (NKF, n = 124; CCM, n = 280) with duodenal papillary tumors were included. The primary and overall cannulation rates were 92.1% (372/404) and 96.0% (388/404), respectively. Compared to CCMs, NKF was associated with a significantly higher successful cannulation rate (99.2% versus 88.9%, P
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