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Supplementary Material for: Role of Peroral Endoscopic Myotomy in Geriatric Patients with Achalasia: A Systematic Review and Meta-Analysis

posted on 12.05.2021, 08:31 by Zhong C., Huang S., Xia H., Tan S., Lü M., Peng Y., Tang X.
Background: Peroral endoscopic myotomy (POEM) is a particularly attractive intervention for achalasia. Presently, POEM has been reported to be effective and safe for achalasia in geriatric patients. Herein, this systematic review was conducted to explore the role of POEM in geriatric patients with achalasia. Method: PubMed, Embase, and Cochrane Library were searched to identify studies evaluating the clinical outcome of POEM in geriatric patients with achalasia during January 2009 to October 2020. The primary outcomes were technical and clinical success. Secondary outcomes included postoperative Eckardt score, lower esophageal sphincter (LES) pressure, adverse events, and clinical reflux. Results: There were 7 studies with a total of 469 geriatric patients, and the pooled technical success of POEM treatment was 98.1% (95% confidence interval [CI], 95.1–99.3%), and the pooled clinical success was 92.5% (95% CI, 89.3–94.8%). After POEM, the Eckardt score significantly decreased by 6.09 points (95% CI, 5.44–6.74, p < 0.00001), and the LES pressure significantly reduced by 13.53 mm Hg (95% CI, 5.14–21.91, p = 0.002). The pooled adverse events rate was 9.0% (95% CI, 4.3–17.9%), and the post-POEM clinical reflux rate was 17.4% (95% CI, 12.9–23.2%). Conclusion: Our current study demonstrated that POEM was an effective and safe technique for achalasia in geriatric patients.