• Int. J. Cardiol. · Dec 2014

    Meta Analysis

    Effectiveness and safety of selected bone marrow stem cells on left ventricular function in patients with acute myocardial infarction: a meta-analysis of randomized controlled trials.

    • Bei Liu, Chong-Yang Duan, Cheng-Feng Luo, Cai-Wen Ou, Kan Sun, Zhi-Ye Wu, He Huang, Chuan-Fang Cheng, Yun-Peng Li, and Min-Sheng Chen.
    • Department of Cardiovascular Medicine, Zhu Jiang Hospital, Southern Medical University, China; Southern Medical University, China.
    • Int. J. Cardiol. 2014 Dec 20; 177 (3): 764-70.

    BackgroundConcerns regarding the use of selected bone marrow stem cells (BMSCs) in the field of cardiac repair after acute ischemic events have been raised. The current meta-analysis aimed to assess the efficacy and safety of selected BMSC transplantation in patients with acute myocardial infarction (AMI) based on published randomized controlled trials (RCTs).MethodsA systematic literature search of PubMed, Ovid LWW, BIOSIS Previews, and the Cochrane library from 1990 to 2014 was conducted. Results from RCTs involving subjects with AMI receiving selected BMSC therapy and followed up for at least 6 months were pooled.ResultsEight trials with a total of 262 participants were included. Data were analyzed using a random effects model. Overall, selected BMSC therapy improved left ventricular ejection fraction (LVEF) by 3.17% (95% confidence interval [CI] 0.57-5.76, P=0.02), compared with the controls. There were trends toward reduced left ventricular end-systolic volume (LVESV) and fewer major adverse cardiac events (MACEs). Subgroup analysis revealed a significant difference in LVEF in favor of selected BMSC therapy with bone marrow mesenchymal stem cells (BMMSCs) as the cell type.ConclusionsTransplantation of selected BMSCs for patients with AMI is safe and induces a significant increase in LVEF with a limited impact on left ventricular remodeling.Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.

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