• Min Li, Ruijin Qiu, Guihua Tian, Xiaoyu Zhang, Chengyu Li, Shiqi Chen, Qin Zhang, and Hongcai Shang.
• Key laboratory of Chinese Internal Medicine of Ministry of Education and Beijing, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China; Beijing University of Chinese Medicine, Beijing, China.
• Complement Ther Med. 2017 Aug 1; 33: 85-93.

ObjectiveTo evaluate the efficacy and safety of Wenxin Keli (WXKL) alone or combined with Western medicine in treating ventricular premature complexes (VPCs) with heart failure (HF).MethodsWe searched five databases to identify relevant randomized controlled trials (RCTs) published before May 2016. Two review authors independently searched and screened the literature, extracted the data as well as assessed the methodological quality of the included studies by using criteria from the Cochrane Handbook, and analyzed via using Review Manager 5.3 software.ResultsEight studies of WXKL were included. The results of the Meta-analysis showed that WXKL was more significant on the frequency of VPCs (MD=-427.08, 95% CI: -526.73∼-327.43, P<0.01), left ventricular ejection fraction (LVEF) (MD=-4.12, 95% CI: 2.97∼5.27, P<0.01), the total effect of VPCs (RR=0.48, 95% CI: 0.34∼0.69, P<0.01) and 6-min walking test (MD=28.05, 95% CI: 19.56∼36.54, P<0.01). The treatment group presented a significant reduction at left ventricular end-diastolic diameter (LVED) (MD=-3.94, 95% CI: -6.57∼-1.31, P<0.01) when treatment time was 12 weeks, however, there was no statistical difference at 8 weeks. In addition, the included trials generally showed low methodological quality.ConclusionsWenxin Keli may be effective and safe for treating VPCs and HF. However, further RCTs of larger scale, multi-center/country, longer follow-up periods, and higher quality are still required to verify the efficacy of Wenxin Keli in ventricular premature beat with heart failure.Copyright © 2017 Elsevier Ltd. All rights reserved.

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