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  • Title: Intracoronary infusion of bone marrow-derived mononuclear cells contributes to longstanding improvements of left ventricular performance and remodelling after acute myocardial infarction: a meta-analysis.
    Author: Ye Z, Zhang BL, Zhao XX, Qin YW, Wu H, Cao J, Zhang JL, Hu JQ, Zheng X, Xu RL.
    Journal: Heart Lung Circ; 2012 Nov; 21(11):725-33. PubMed ID: 22898593.
    Abstract:
    BACKGROUND: Conflicting results exist now on the sustained effects of intracoronary bone marrow-derived mononuclear cells (BMMNCs) infusion in patients with acute myocardial infarction (AMI). METHODS: Systematical literature search of PubMed, ISI Web of Science, and Cochrane databases was conducted. We included the randomised controlled trials with at least 12-month follow-up data for AMI patients receiving primary percutaneous coronary intervention in addition to intracoronary BMMNCs transfer or not (the control). Summary statistics were calculated using random-effects models. RESULTS: A total of 10 trials with 757 patients were available for analysis. The pooled statistics showed intracoronary administration of BMMNCs significantly improved post-infarction left ventricular ejection fraction (weight mean differences [WMD]=4.04%, 95% confidence intervals [CI], 3.01-5.07%; p<0.01), and attenuated the enlargement of left ventricular end-diastolic volume (WMD=-6.13 ml, 95%CI, -10.56 ml to -1.69 ml; p=0.007) as well as infarct size (WMD=-2.47%, 95%CI, -3.79% to -1.15%; p=0.0002). However, for the major adverse clinical events (MACEs), there appeared to be neutral results (between-group differences of p>0.10). CONCLUSIONS: Intracoronary BMMNCs infusion leads to longstanding and moderate improvements of post-infarction left ventricular performance as well as remodelling. Meanwhile, the procedure did not increase the risk of MACEs.
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