Safety outcomes of mucomuscular closure versus conventional clip closure in ESD of large (> 15 mm) nonpedunculated colorectal polyps (LNPCPs) - Scorecard - MDSpire
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Safety outcomes of mucomuscular closure versus conventional clip closure in ESD of large (> 15 mm) nonpedunculated colorectal polyps (LNPCPs)
Clinical Scorecard: Comparative Safety of Mucomuscular Closure and Traditional Clip Closure in Endoscopic Submucosal Dissection for Large Nonpedunculated Colorectal Polyps Exceeding 15 mm
At a Glance
Category
Detail
Condition
Post-endoscopic submucosal dissection electrocoagulation syndrome (PEECS) following colorectal ESD
Key Mechanisms
Mucomuscular closure involves direct closure of the muscularis propria using through-the-scope clips (TTSC) to reduce PEECS incidence
Target Population
Patients undergoing colorectal endoscopic submucosal dissection (C-ESD) for large nonpedunculated colorectal polyps >15 mm
Care Setting
Tertiary care center performing endoscopic colorectal procedures
Key Highlights
Mucomuscular closure significantly lowers PEECS incidence compared to conventional TTSC closure (2.5% vs 15.0%, P < 0.001).
No severe adverse events (SAEs) occurred with mucomuscular closure, whereas conventional closure had delayed perforations and bleeding.
Complete versus partial mucomuscular closure showed no significant difference in PEECS rates, indicating efficacy even with partial closure.
Guideline-Based Recommendations
Diagnosis
Identify PEECS by clinical signs following colorectal ESD, including symptoms related to electrocoagulation syndrome.
Management
Employ mucomuscular closure technique using TTSC to directly close muscularis propria defects post-C-ESD.
Conventional clip closure may be used but is associated with higher PEECS and complication rates.
Monitoring & Follow-up
Monitor patients post-C-ESD for signs of PEECS and other complications such as delayed perforation and bleeding.
Risks
Conventional closure carries risks of delayed perforation and bleeding.
Mucomuscular closure showed no TTSC-related perforations during defect closure.
Patient & Prescribing Data
764 patients undergoing colorectal ESD for large polyps
Mucomuscular closure reduces PEECS incidence and severe adverse events compared to traditional clip closure.
Clinical Best Practices
Use mucomuscular closure with through-the-scope clips for defect closure after colorectal ESD to minimize PEECS.
Ensure careful monitoring for PEECS symptoms post-procedure regardless of closure completeness.
Avoid reliance solely on conventional clip closure due to higher complication rates.
