• Yusheng Yao, Jundan Jiang, Wenjun Lin, Yazhen Yu, Yanhua Guo, and Xiaochun Zheng.
• Department of Anesthesiology, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, China.
• J Clin Anesth. 2021 Aug 1; 71: 110223.

Study ObjectiveIntraoperative systemic lidocaine has become widely accepted as an adjunct to general anesthesia, associated with opioid-sparing and enhanced recovery. We hypothesized that perioperative systemic lidocaine improves postoperative pain and enhances the quality of recovery (QoR) in patients following video-assisted thoracic surgery (VATS).DesignProspective, single-center, double-blind, randomized placebo-controlled clinical trial.SettingSingle institution, tertiary university hospital.PatientsAdult patients aged 18 to 65 undergoing VATS were eligible for participation.InterventionsPatients enrolled in this study were randomized to receive either system lidocaine (a bolus of 1.5 mg kg-1, followed by an infusion of 2 mg kg-1 h-1 until the end of the surgical procedure) or identical volumes and rates of 0.9% saline.MeasurementsThe primary outcome was a global QoR-15 score 24 h after surgery. Secondary outcomes included postoperative pain score, cumulative opioid consumption, emergence time, length of PACU stay, adverse events, and patient satisfaction.Main ResultsThere was no difference in the global QoR-15 scores at 24 h postoperatively between the lidocaine and saline groups (median 117, IQR 113.5-124, vs. median 116, IQR 111-120, P = 0.067), with a median difference of 3 (95% CI 0 to 6, P = 0.507). Similarly, postoperative pain scores, postoperative cumulative opioid consumption, PACU length of stay, the occurrence of PONV, and patient satisfaction were comparable between the two groups (all P > 0.05).ConclusionsOur current findings do not support using perioperative systemic lidocaine as a potential strategy to improve postoperative pain and enhance QoR in patients undergoing VATS.Trial RegistrationChinese Clinical Trial Registry (identifier: ChiCTR1900027515).Copyright © 2021 Elsevier Inc. All rights reserved.

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