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Eur. J. Intern. Med. · Apr 2023
Multicenter StudyComparison of missed adenomas in deep-sedated and unsedated colonoscopy: A multicenter retrospective study.
- Yue Sui, Yanhua Zheng, Qing Wang, Jieping Lv, Hongjin Wang, Qing Wen, Zhenzhen Wang, Guanfeng Wang, Hui Jia, Fengzhen Cao, Naping Wang, Junlian Hao, Yiping Zhang, Xiaopeng Wu, Haihua Chen, Junhui Lu, and X... more
- Shanxi Medical University, 030000, China.
- Eur. J. Intern. Med. 2023 Apr 1; 110: 485348-53.
BackgroundDeep-sedated colonoscopy with propofol is widely used in China. However, its impact on quality metrics remains controversial. We aimed to investigate the effects of deep-sedated colonoscopy on missed adenomas, specifically in each colorectal segment.MethodsData of 3710 individuals from seven hospitals in China who underwent an initial colonoscopy with or without propofol sedation and a second colonoscopy without sedation within six months for surveillance or polypectomy by endoscopist of the same level between October 2020 and September 2021 were retrospectively analyzed.ResultsA total of 1113 missed adenomas in 3710 patients were evaluated. The adenoma miss rate (AMR) was significantly higher in deep-sedated colonoscopy than in unsedated colonoscop [19.14% (578/3020) vs. 16.15% (535/3313), P < 0.05]. The risk of missing adenomas in deep-sedated colonoscopy was 1.229 times higher than in unsedated colonoscopy (OR, 1.229; 95% CI: 1.080-1.399). AMRs of the splenic flexure (26.02% [96/369] vs. 16.04% [47/293], P < 0.05) and descending colon (20.86% [102/489] vs. 13.37% [54/404], P < 0.05) were significantly higher in deep-sedated colonoscopy than in unsedated colonoscopy when performed by middle-level endoscopists rather than high-level endoscopists (P < 0.05).ConclusionsAMR was higher in deep-sedated colonoscopy than in unsedated colonoscopy. Furthermore, adenomas in the splenic flexure and descending colon were more frequently missed in deep-sedated colonoscopy than in unsedated colonoscopy, particularly when performed by less experienced endoscopists.Copyright © 2023 The Author(s). Published by Elsevier B.V. All rights reserved.
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