• Boran Deng, Dingding Wang, Zifeng Xie, Yongqin Wang, Li Huang, Manlin Jiang, and Tu Shen.
• Department of Anesthesiology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou City, 121000, China.
• BMC Anesthesiol. 2024 Feb 5; 24 (1): 5151.

BackgroundSufentanil in combination with dezocine or esketamine is often used for postoperative analgesia. However, there is a lack of clinical evidence of efficacy. This study compares the analgesic effects of esketamine and dezocine combined with sufentanil for relieving pain after laparoscopic cholecystectomy(LC).MethodsA total of 58 patients were randomly assigned to the esketamine group (ES group) and dezocine group (DE group). In the ES group, 1.5 mg/kg esketamine was used. In the DE group, 0.3 mg/kg dezocine was used. Primary outcome measures were Visual Analog Scale (VAS) score at 4 h, 8 h, 24 h and 48 h after surgery. The second outcome measures were Interleukin-6 (IL-6) and C-reactive protein (CRP) levels in the serum 10 minutes before anesthesia induction, and at 24 h and 48 h after surgery.ResultsThe VAS scores at 4 h, 8 h, 24 h and 48 h after the surgery in the ES group vs DE group were 2.70 vs 3.50(P=0.013),2.35 vs 3.15(P=0.004),1.69 vs 2.58(P=0.002), and 1.50 vs 2.26(P=0.002), respectively. The serum IL-6 concentrations 10 minutes before anesthesia induction, and at 24 h and 48 h after surgery in the ES group and DE group were 34.39 and 34.12(P=0.901),112.33 and 129.60(P=0.014), and 89.69 and 108.46(P<0.001), respectively. The CRP levels in serum 10 minutes before anesthesia induction, and at 24 h and 48 h after the surgery in the ES group and DE group were 5.99 and 5.86(P=0.639), 28.80 and 35.37(P<0.001), and 23.17 and 30.11(P<0.001), respectively.ConclusionFor postoperative pain after LC, 1.5mg/kg esketamine provided better analgesia and reduced inflammation levels than 0.3mg/kg dezocine.Trial RegistrationThis trial was registered in the China Clinical Research Information Center in 31/05/2023 : https://www.chictr.org.cn/bin/home (Registration number: ChiCTR2300072011).© 2024. The Author(s).

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