n recent years, with the enormous advances in the field of cardiac intervention technology, the survival rate of patients with acute myocardial infarction (AMI) has been improved significantly. However, the risk of arrhythmias and heart failure remains very high in AMI patients for long-term prognosis. Chinese herbal medicine (CHM) is more and more used in the treatment of AMI because of its good curative effect and less side effects. The target of this research is to analyze the efficacy and safety of Astragalus (Huangqi) preparation in the treatment of AMI by meta-analysis and also to provide a better evidence for clinical practice. To get more news about radix astragali, you can visit shine news official website.

Seven databases will be searched in this study: The Cochrane Library, PubMed, Web of Science, the Chinese National Knowledge Infrastructure (CNKI), the Chinese Scientific Journal Database (CSJD), the Chinese Biomedical Literature Database (CBM), and Wanfang DATA. The following search terms will be used: (Huangqi OR Huang Qi OR Astragalus OR radix astragali) AND (acute myocardial infaction OR myocardial infaction OR AMI) AND (randomized controlled trial OR RCT OR randomized). No language limitations and the searches will be conducted up to March, 2019.

The main outcome measures will be left ventricular end systolic volume (LVESV), left ventricular end diastolic volume (LVEDV), left ventricular ejection fraction (LVEF), left ventricular mass index (LVMI), recanalization rate, mortality rate, incidence of reperfusion arrhythmias, postinfarction angina pectoris, and re-infarction rate. Secondary outcome indicators were the incidence of adverse reactions and the effective rate of traditional Chinese medicine (TCM) treatment. Two independent reviewers will filter the literature and extract data which based to the Cochrane manual. The relevant data, including bias risk assessment, data synthesis, subgroup analysis, meta-analysis, and final meta-analysis, will be analyzed with RevMan 5.3 software. The funnel diagram will be used to evaluate the reported deviation, and the Egger test will be used to evaluate the symmetry of the funnel graph.

This systematic review study will provide a clear basis for evaluating the efficacy and safety of Astragalus (Huangqi) preparation with the treatment of AMI.

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