Acupoint Stimulation for Pain Control in Enhanced Recovery After Surgery: Systematic Review and Meta-Analysis.

MEDICAL information storage & retrieval systems; PAIN measurement; RESEARCH funding; POSTOPERATIVE pain; VISUAL analog scale; META-analysis; ELECTROACUPUNCTURE; ENHANCED recovery after surgery protocol; SYSTEMATIC reviews; MEDLINE; ANALGESICS; SURGICAL complications; ACUPUNCTURE points; TRANSCUTANEOUS electrical nerve stimulation; PAIN management; MEDICAL databases; ONLINE information services; VOMITING; NAUSEA

Introduction: Postoperative pain control is a challenge in enhanced recovery after surgery (ERAS). The current study reviewed the efficacy and safety of incorporating acupoint stimulation for postoperative pain control in ERAS. Methods: Ten databases for relevant randomized controlled trials (RCTs) published in English or Mandarin Chinese were searched from 1997 to 2022. The quality of each article was appraised using the Cochrane Collaboration Risk of Bias Criteria and the modified Jadad Scale. The primary outcome was pain control, measured using the visual analog scale 24 h after surgery. Results: Eleven trials met the eligibility criteria and were included in the study. Acupoint stimulation was found more effective than control treatments in terms of pain intensity (standardized mean difference [SMD] −0.94; 95% confidence interval [CI] −1.35 to −0.53), analgesic drug consumption (SMD −1.87; 95% CI −2.98 to −0.75), postoperative nausea (PON; SMD 0.31; 95% CI 0.13 to 0.73), postoperative vomiting (POV; SMD 0.57; 95% CI 0.11 to 2.92), and PON and POV (PONV; SMD 0.29; 95% CI 0.16 to 0.53). The Zusanli (ST36) and Neiguan (PC6) were the most-used acupoints in the included trials (8/11). The reported adverse reaction was only one case of bruising. Discussion: Acupoint stimulation improved pain control in patients undergoing ERAS more than control treatments. The findings provide an evidence-based premise for incorporating acupoint stimulation into ERAS strategies. More rigorous RCTs are needed in the future. [ABSTRACT FROM AUTHOR]

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