• Guoqing Liu, Meiling Gao, Yang Hu, Bangjun Wang, Yunhua Lin, Yuting Guan, Gang Chen, Peng Zhang, Yinghua Hu, Qiang Cai, and Wen Qin.
• The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China.
• J. Cardiothorac. Vasc. Anesth. 2023 May 1; 37 (5): 788800788-800.

AbstractThe effects of the transversus thoracic muscle plane (TTP) block on postoperative pain have become increasingly controversial. This meta-analysis compared the effects of the TTP block versus no block on postoperative analgesia and side effects to determine whether this new technique is a reliable alternative for pain management. PubMed, Cochrane Library, Embase, Web of Science, ClinicalTrials.gov, China National Knowledge Infrastructure, Chongqing VIP information, and Wanfang Data were searched for clinical studies investigating the analgesic effect of the TTP block compared to controls. The primary outcomes included the postoperative pain scores at rest and during movement, morphine consumption in 24 hours, and the rate of postoperative nausea and vomiting (PONV). Eleven randomized controlled trials (RCTs), including 682 patients, were reviewed. The meta-analysis showed that the TTP block significantly could reduce the pain scores at 0 (at rest: mean difference [MD], -2.28; 95% CI: -2.67 to -1.90) (during movement: MD: -2.09, 95% CI: -2.62 to -1.56) and 12 hours (at rest: -1.42, 95% CI: -2.03 to -0.82) (during movement: MD: -2.13, 95% CI: -2.80 to -1.46) after surgery, 24-hour postoperative analgesic consumption (MD: -23.18, 95% CI: -33.71 to -12.66), and the incidence of PONV (odds ratio, 0.36, 95% CI: 0.15-0.88). Furthermore, the trial sequence analysis confirmed the result of less 24-hour postoperative analgesic consumption in the TTP block group. As a novel technique, the TTP block exhibited a superior postoperative analgesic effect during the early postoperative period. Nevertheless, additional well-designed RCTs are needed.Copyright © 2022. Published by Elsevier Inc.

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