Role of Xingnaojing combined with naloxone in treating intracerebral haemorrhage: A systematic review and meta-analysis of randomized controlled trials

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Background:Xingnaojing injection (XNJ) sharpen the mind and induce consciousness and are widely used in acute phases of intracerebral hemorrhage (ICH). Naloxone hydrochloride injection (NX) performs equally well and replace the effects of morphine-like substances to promote conscious awareness. The applications of XNJ combined with NX for ICH show some advantages compared with NX applied individually. The aim of this systematic review is to evaluate the effectiveness and safety of XNJ combined with NX for ICH.Methods:Comprehensive searches were conducted in 8 medical databases (PubMed, Cochrane Library, Web of Science, Embase, CNKI, VIP, CBM and Wanfang database) from inceptions to October 2017 for randomized controlled trials (RCTs) that compared the applications of XNJ and NX with NX applied individually in ICH. Literature screening, assessing risk of bias and data extraction were conducted by 2 reviewers independently. According to the Cochrane Collaboration's RevMan5.3 software to perform the data analysis.Results:32 RCTs (3068 cases) were selected and the quality of studies were low. All trials compared XNJ and NX with NX applied individually. The overall meta-analysis results showed that XNJ combined with NX have significant effect on clinical efficacy (OR 3.78, 95% CI: 3.03–4.73; P < .00001), GCS score (MD 3.86, 95% CI: 3.46–4.25; P < .00001), coma duration (MD −5.59, 95% CI: −6.96 to −4.22; P < .00001), NIHSS score (MD −6.24, 95% CI: -8.05 to −4.42; P < .00001), Barthel Index score (MD 14.12, 95% CI: 6.7–21.54; P < .0002), cerebral hematoma volume (MD -6.05, 95% CI: −6.85 to −5.24; P < .00001) than NX applied individually. Adverse events reported in 4 studies and included mild discomfort symptoms.Conclusion:The effectiveness and safety of XNJ combined with NX for ICH cannot be determined due to the low quality of literature, publication bias and heterogeneity. More rigorous RCTs are necessary to verify the role of XNJ combined with NX in the treatment of ICH.

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