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Feasibility of Underwater Clip Closure for Large Mucosal Defects after Colorectal Endoscopic Submucosal Dissection
Yasushi Yamasaki1, Keita Harada2, Shohei Oka2
1Department of Gastroenterology, Okayama University Hospital, Okayama, Japan, yasshifive@yahoo.co.jp.
Underwater clip closure (UCC) effectively closes large mucosal defects after colorectal endoscopic submucosal dissection (C-ESD). This technique achieved 100% success with no adverse events, offering a promising solution for challenging cases.
Area of Science:
- Gastroenterology
- Endoscopic Surgery
Background:
- Clip closure of mucosal defects after colorectal endoscopic submucosal dissection (C-ESD) is crucial for preventing delayed adverse events.
- Conventional clips have limitations in closing large defects, especially in flexural locations, potentially leading to incomplete closure.
- Underwater clip closure (UCC) is a theoretical alternative for achieving complete closure in difficult cases.
Discussion:
- This study evaluated the feasibility of UCC for closing mucosal defects post-C-ESD.
- The retrospective analysis included 21 patients, assessing UCC success rate, procedure time, clip count, and adverse events.
- UCC demonstrated a 100% success rate in achieving complete closure of defects.
Key Insights:
- Underwater clip closure (UCC) is highly effective for closing large mucosal defects following colorectal endoscopic submucosal dissection (C-ESD).
- The procedure was successful in 100% of cases, with a median procedure time of 11 minutes and no reported delayed adverse events.
- UCC appears to be a safe and efficient method for managing challenging defect closures in the colon.
Outlook:
- Further research is warranted to confirm the efficacy and long-term outcomes of UCC in a larger patient cohort.
- UCC may represent a valuable advancement in endoscopic techniques for managing post-dissection defects.
- The technique shows potential for improving patient outcomes by ensuring complete closure and reducing complications.
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