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Evidence-Based Complementary and Alternative Medicine
Volume 2016, Article ID 3506757, 10 pages
http://dx.doi.org/10.1155/2016/3506757
Review Article

Effect of Combination of Chinese Herbal Medicine versus Western Medicine on Mortality in Patients after Cardiopulmonary Resuscitation: A Systematic Review and Meta-Analysis of Randomized Controlled Trials

1Dalian Medical University, Dalian 116044, China
2Department of Emergency Medicine, Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, China

Received 15 September 2015; Revised 15 December 2015; Accepted 24 December 2015

Academic Editor: Arndt Büssing

Copyright © 2016 Wenxiu Guo et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Introduction. Although Chinese herbal medicine (CHM) treatment combined with conventional western therapy has been widely used and reported in many clinical trials in China, there is uncertainty about the efficacy of this combination in the treatment of patients after cardiopulmonary resuscitation (CPR). This systematic review aimed to assess whether the risk of mortality has decreased comparing the combination of CHM treatment with conventional western therapy. Methods. To identify relevant studies, the literature search was conducted in Medline, Embase, the Cochrane Library, CBM, CNKI, VIP, and Wanfang database. We included all randomized controlled trials (RCTs) that compared outcomes of patients after CPR taking combination of CHM treatment with those taking just conventional western therapy. Results. This meta-analysis showed that patients randomly assigned to combined CHM treatment group had a statistically significant 23% reduction in mortality compared with those randomly assigned to conventional western therapy group (RR: 0.77; 95% CI: 0.70–0.84). Conclusions. This meta-analysis provides evidence suggesting that a combined CHM therapy is associated with a decreased risk of mortality compared with conventional western therapy in patients after CPR. Further studies are needed to provide more evidence to prove or refute our conclusion and identify reasons for the reduction of mortality.