Keywords
Endoscopic submucosal dissection
ESD
Precedex
Systematic Review
Meta-Analysis
Date
- Submitted: Nov 11, 2024
- Published: Mar 11, 2025
How to Cite
Funding data
-
National Center for Advancing Translational Sciences
Grant numbers UM1TR004400
Abstract
Introduction: Endoscopic submucosal dissection (ESD) is a technique for removing dysplastic lesions in the gastrointestinal tract, but it carries risks like pain and perforation. Dexmedetomidine, an α2-receptor agonist, offers potential benefits as an adjunct sedative during ESD by providing anxiolysis and analgesia. This systematic review and meta-analysis assess its efficacy and safety.
Methodology: We searched databases including Embase, Medline/PubMed, Scopus, and Web of Science up to April 21, 2024, following PRISMA guidelines. Eligible studies used dexmedetomidine with other sedatives for ESD. We analyzed outcomes such as en-bloc and complete resection rates, sedation duration, and adverse events, using RevMan for meta-analysis with a random-effects model.
Results: The initial search retrieved 216 studies, and eight studies were included in the final analysis after screening. Dexmedetomidine showed no significant difference in en-bloc or complete resection rates compared to controls. Sedation and procedure times were similar between the two groups as well. Dexmedetomidine significantly reduced restlessness (OR 0.15, 95% CI:0.07 to 0.29) and increased bradycardia (OR 7.15, 95% CI 3.17 to 16.11) compared to controls. Upon subgroup analysis, Dexmedetomidine plus Propofol and Dexmedetomidine plus Midazolam revealed the same findings regarding restlessness and bradycardia compared to controls, which confirmed the adjunctive effects of Dexmedetomidine.
Conclusion: Dexmedetomidine appears safe and effective as an adjunctive sedative in ESD, reducing restlessness without significant adverse events. The risk of bradycardia is increased, which may reflect reduced physiological stress. Future studies should explore optimal dosing and compare Dexmedetomidine with other sedatives in diverse populations.
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Copyright (c) 2025 Hazem Abosheaishaa , Abdallfatah Abdallfatah, Abdelmalek Abdelghany, Arshia Sethi, Abdellatif Ismail, Doha Mohamed, Moataz Aboeldahb, Omar Abdelhalim, Islam Mohamed, Ahmed Y. Azzam, Muhammed Amir Essibayi, David J. Altschul, Mahmoud Nassar, Mohammad Bilal