• Binglin Du, Zhongmiao Xu, and Xin Zhong.
• Department of Anorectal, South District of Guang, Anmen Hospital, Academy of Chinese Medical Sciences, Beijing, PR China.
• Medicine (Baltimore). 2022 Dec 16; 101 (50): e32247e32247.

BackgroundTo investigate the efficacy of electroacupuncture for postoperative pain in mixed hemorrhoids.MethodsRandomized controlled trials were searched in PubMed and Cochrane Library. The risk of bias assessment tool was used to assess methodological quality. Stata 14.0 software was used for meta-analysis. Weighted mean differences were calculated if all outcome variables were reported the same way, while standardized mean differences (SMD) were calculated if they were different.ResultsFrom 27 identified studies, 5 Chinese studies (465 patients) were included in this meta-analysis. The electroacupuncture group had significantly lower postoperative pain scores compared with the control group at 6 hours postoperatively (SMD = -0.89, 95% CI: -1.091 to -0.692; P < .001), at 12 hours postoperatively (SMD = -1.089, 95% CI: -1.336 to -0.843; P < .001), at 24 hours postoperatively (SMD = -0.548, 95% CI: -0.721 to -0.374; P = .547), and 72 hours postoperatively (SMD = -1.089, 95% CI: -1.336 to -0.843; P < .001).ConclusionElectroacupuncture can improve pain after surgery for mixed hemorrhoids. It is an effective method to improve the pain after hemorrhoidectomy, which deserves further research and promotion.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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