• 1. School of Public Health, Capital Medical University, Beijing, 100069, P.R.China;
  • 2. Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, 100069, P.R.China;
  • 3. Anesthesia and Option Center, Chinese PLA General Hospital, Beijing, 100853, P.R.China;
LOU Jingsheng, Email: loujingsheng@163.com; YANG Xinghua, Email: xinghuay@sina.com
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Objectives To systematically review the efficacy of lidocaine injected prior to tracheal extubation in preventing hemodynamic responses to tracheal extubation in general anesthesia.Methods PubMed, Ovid, Web of Science, EMbase, The Cochrane Library, CBM, CNKI, VIP and WanFang Data databases were electronically searched to collect randomized controlled trials (RCTs) on the efficacy of lidocaine administrated prior to extubation in preventing hemodynamic responses to tracheal extubation in patients undergoing general anesthesia from inception to October, 2018. Two reviewers independently screened literature, extracted data and assessed risk of bias of included studies, then, meta-analysis was performed by using RevMan 5.3 and Stata 13.0 software.Results A total of 10 RCTs involving 525 patients were included. The results of meta-analysis showed that: compared with control group, lidocaine could reduce mean arterial pressure in 5 min after extubation (MD=–5.10, 95%CI –9.41 to –0.79, P=0.02), weaken the increase in systolic blood pressure caused by extubation from the moment before extubation to 5 minutes after extubation (before extubation: MD=–7.22, 95%CI –10.34 to –4.11, P<0.000 01; at extubation: MD=–14.02, 95%CI –19.42 to –8.62, P<0.000 01; 1 minutes after extubation: MD=–15.82, 95%CI –22.20 to –9.45, P<0.000 01; 3 minutes after extubation: MD=–12.55, 95%CI –20.36 to –4.74, P=0.002; and 5 minutes after extubation: MD=–12.05, 95%CI –20.35 to –3.74, P=0.004), and weakened extubation-induced increase in diastolic blood pressure at extubation (MD=–9.71, 95%CI –16.57 to –2.86, P=0.005). In addition, lidocaine inhibited heart rate in all time points except the moment of before and at 10 minutes after extubation.Conclusions Current evidence shows that lidocaine can inhibit the increase in blood pressure and heart rate caused by extubation at certain times. Due to limited quality and quantity of the included studies, more high-quality studies are needed to verify above conclusions.

Citation: MA Zhimin, AI Feiling, LIU Sitong, WEN Jing, WEN Fuyuan, ZHAO Yuhan, YIN Meihua, XU Chaonan, ZHOU Yanming, LIU Yingying, ZHANG Shan, LOU Jingsheng, YANG Xinghua. Prevention of hemodynamics response to tracheal extubation by administration of lidocaine prior to extubation: a meta-analysis. Chinese Journal of Evidence-Based Medicine, 2019, 19(5): 587-594. doi: 10.7507/1672-2531.201809015 Copy

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