• Ming-Ming Zhao, Yu Zhang, Liu-Sheng Li, Zi-Kai Yu, and Bo Li.
• Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China.
• Ann Transl Med. 2017 Mar 1; 5 (6): 136.

BackgroundTo evaluate the efficacy and safety of Danggui Buxue Decoction for renal anemia when combined with western medicine treatment of anemia.MethodsElectronic searching Medline, Embase, Web of Science, Cochrane Library, Chinese BioMedical Literature Database (CBM), China National Knowledge Infrastructure (CNKI), WanFang data, Chinese Sci-tech periodical full-text database (VIP). Randomized controlled trials reported results of efficacy and safety of Danggui Buxue Decoction in combination with western medicine treatment of anemia for renal anemia. The "risk of bias assessment tool (Version 5.1.0)" of Cochrane Handbook was applied to assess the quality of included trials and RevMan 5.3 software was used for data analysis.ResultsA total of 111 studies was retrieved, seven studies including 460 cases were included, the methodological quality of included trials was poor. The result of meta-analysis demonstrated that there was no difference in hemoglobin (Hb) [weighted mean differences (WMD) =-8.75, 95% confidence interval (CI): (-18.64, 1.13), P=0.08], whereas the subgroup analysis showed the difference was significant when the ratio of Radix Astragali to Radix Angelicae Sinensis was 5:1 [WMD =-16.27, 95% CI: (-28.73, -3.80), P=0.01], increase of Hb was more effective in experimental group than control group and the difference was not significant when the ratio of Radix Astragali to Radix Angelicae Sinensis was 5≠1 [WMD =-0.57, 95% CI: (-4.52, 3.39), P=0.78]. There were significant differences in red blood cell (RBC) [WMD =-0.49, 95% CI: (-0.69, -0.28), P<0.00001], hematocrit (HCT) [WMD =-1.92, 95% CI: (-3.15, -0.69), P=0.002] and clinical efficacy [odd ratio (OR) =0.30, 95% CI: (0.13, 0.69), P=0.004] between Danggui Buxue Decoction combination group and control group, the experimental group was better than control group. There was no adverse event reported in the experimental group.ConclusionsDanggui Buxue Decoction in combination with conventional western medicine (CWM) for renal anemia might be superior to CWM alone and there was no adverse event in the experimental group, it might be more effective when the ratio of Radix Astragali to Radix Angelicae Sinensis was 5:1. However, the quality of included studies was not high, and less attention was paid to the safety, high quality randomized controlled trials are needed to further confirm the findings.

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