• Clin J Pain · Sep 2023

    Meta Analysis

    Is Lidocaine Patch Beneficial for Postoperative Pain: A Meta-analysis of raNdomized Clinical Trials.

    • Xiaoxian Wu, Xiaoxia Wei, Li Jiang, Jiaqin Cai, Mingyu Ju, and Xiaochun Zheng.
    • Department of Pharmacy, Xianyou County General Hospital, Fujian.
    • Clin J Pain. 2023 Sep 1; 39 (9): 484490484-490.

    ObjectivesThe aim of this meta-analysis was to evaluate whether a lidocaine patch is beneficial for postoperative pain as an option for multimodal analgesia.MethodsInformation was obtained from PubMed, Embase, and the Cochrane Central Register of Controlled Trials for clinical randomized controlled trials of lidocaine patches for postoperative pain (as of March 2022). Two researchers independently completed study screening, risk bias assessment, and data extraction. Review Manager (version 5.4, Cochrane Collaboration) was used to conduct the meta-analysis. The evaluation metrics were postoperative pain scores, opioid consumption, and patient satisfaction.ResultsSixteen randomized controlled trials were included, and data from 918 patients were available. Pain scores differed between the 2 groups at 12, 24, and 48 hours postoperatively, and the pain scores of the lidocaine patch group were significantly lower (mean difference [MD]=-1.32 [95% CI, -1.96 to -0.68], P <0.0001; I2 =92%) at 12 hours after the operation; (MD=-1.23 [95% CI, -1.72 to -0.75], P <0.00001; I2 =92%) at 24 hours after the operation; and (MD=-0.25 [95% CI,-0.29 to -0.21], P <0.00001; I2 =98%) at 48 hours after the operation. In addition, the lidocaine patch group had decreased opioid requirements (MD=-3.57 [95% CI, -5.06 to -2.09], P <0.00001; I2 =96%). The lidocaine patch group seemed to be more satisfied, but there was no statistically significant difference (risk ratio, 1.50 [95% CI, 0.74 to 3.05], P =0.26) between the groups.DiscussionLidocaine patches are beneficial for postoperative pain and can be used in multimodal analgesia to reduce opioid use, but there is no significant increase in patient satisfaction with pain control. More data are needed to support this conclusion due to the large heterogeneity in the present study.Copyright © 2023 The Author(s). Published by Wolters Kluwer Health, Inc.

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