• Hyung-Hoon Oh, Yong-Wook Jung, Byung-Chul Jin, Jae-Taek Hwang, Hyo-Yeop Song, Seong-Jung Kim, Dong-Hyun Kim, Dae-Seong Myung, Jun Lee, Sang-Wook Kim, Geom-Seog Seo, Young-Eun Joo, and Hyun-Soo Kim.
• Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Republic of Korea.
• Medicine (Baltimore). 2024 Apr 26; 103 (17): e37936e37936.

AbstractColorectal endoscopic submucosal dissection (ESD) is a promising but challenging procedure. It is not widely performed due to its technical difficulty. We aimed to find the predictive factors associated with technical difficulty in colorectal ESD before the procedure. Clinical data from patients who underwent ESD for colorectal tumors in 5 hospitals in Honam province of South Korea between 2015 and 2020 were reviewed retrospectively. Technically difficult colorectal ESD procedure was defined in 3 points. Long procedure time (longer than 60 minutes), occurrence of perforation, and failure of en bloc resection. Factors associated with technically difficult ESD were included as main outcome measure. 1446 patients were identified and their data were analyzed. Median procedure time was 30.0 minutes and median long axis of the tumor was 20.1 mm. Technically difficult procedures including long procedure time were 231 cases (16.0%), perforation occurred in 34 cases (2.3%), and en bloc resection was done in 1292 cases (89.3%). Tumor size larger than 35 mm (odd ratio [OR]: 1.474, P = .047), central depression or ulceration in the lesion (OR: 1.474, P = .013), previous endoscopic mucosal resection (EMR) or polypectomy procedure (OR: 2.428, P = .020) were associated with technically difficult ESD. Descending colon-located tumor (OR: 5.355, P < .001), and use of IT knife (OR: 4.157, P = .003) were associated with perforation. Recognizing factors associated with technically difficult ESD can help in planning the ESD procedure beforehand.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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