• Department of Anesthesiology, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, China;
WANG Jiang, Email: 710985359@qq.com
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Objective  To systematically review the effects of lidocaine for preventing pain on injection of propofol.
Methods  Databases including The Cochrane Library (Issue 4, 2012), PubMed, MEDLINE, Ovid, HighWire, EMbase, CBM and CNKI were searched electronically to collect literature published from January, 1985 to December, 2012. Randomized controlled trials (RCTs) were indentified about lidocaine for preventing injection pain of propofol. References of the included studies were also retrieved. Two reviewers independently screened literature according to the inclusion and exclusion criteria, extracted data, and assess the quality of the included studies. Then meta-analysis was performed using RevMan 5.1 software.
Results  Fifteen trials involved 1 332 patients were included. The results of meta-analysis indicated that, adding lidocaine into propofol lowered the incidence of pain on injection compared with blank control, with a significant difference (RR=0.36, 95%CI 0.30 to 0.44, P lt;0.000 01); using different doses of lidocaine before injection lowered the incidence of pain on injection compared with blank control, with a significant difference (RR=0.59, 95%CI 0.47 to 0.75, P lt;0.000 1); using different doses of lidocaine after venous occlusion lowered the incidence of pain on injection compared with blank control, with a significant difference (RR=0.44, 95%CI 0.37 to 0.52, P lt;0.000 01).
Conclusion  Lidocaine could reduce the pain on injection of propofol. Using lidocaine 40 mg after venous occlusion is a relatively effective method to lower the incidence of pain on injection which is more suitable for outpatient who receive intravenous anesthesia without preoperation medication.

Citation: NIU Li,XUAN Yan,WANG Jiang. Effects of Lidocaine on Preventing Pain on Injection of Propofol: A Meta-Analysis. Chinese Journal of Evidence-Based Medicine, 2013, 13(9): 1129-1136. doi: 10.7507/1672-2531.20130193 Copy

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