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Clinical efficacy and safety of autologous stem cell transplantation for patients with ST-segment elevation myocardial infarction

Authors Li R, Li X, Chen J

Received 25 February 2016

Accepted for publication 4 May 2016

Published 1 August 2016 Volume 2016:12 Pages 1171—1189


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Professor Deyun Wang

Rong Li,1,* Xiao-Ming Li,2,* Jun-Rong Chen,3

Department of Intensive Care Unit, The People’s Hospital of Baoji City, 2Department of Cardiovascular Medicine, 3Department of Function, Baoji Central Hospital, Baoji, Shaanxi, People’s Republic of China

*These authors contributed equally to this work

Purpose: The purpose of this study is to evaluate the therapeutic efficacy and safety of stem cells for the treatment of patients with ST-segment elevation myocardial infarction (STEMI).
Materials and methods: We performed a systematic review and meta-analysis of relevant published clinical studies. A computerized search was conducted for randomized controlled trials of stem cell therapy for STEMI.
Results: Twenty-eight randomized controlled trials with a total of 1,938 STEMI patients were included in the present meta-analysis. Stem cell therapy resulted in an improvement in long-term (12 months) left ventricular ejection fraction of 3.15% (95% confidence interval 1.01–5.29, P<0.01). The 3-month to 4-month, 6-month, and 12-month left ventricular end-systolic volume showed favorable results in the stem cell therapy group compared with the control group (P≤0.05). Significant decrease was also observed in left ventricular end-diastolic volume after 3-month to 4-month and 12-month follow-up compared with controls (P<0.05). Wall mean score index was reduced significantly in stem cell therapy group when compared with the control group at 6-month and 12-month follow-up (P=0.01). Moreover, our analysis showed a significant change of 12-month infarct size decrease in STEMI patients treated with stem cells compared with controls (P<0.01). In addition, no significant difference was found between treatment group and control in adverse reactions (P>0.05).
Conclusion: Overall, stem cell therapy is efficacious in the treatment of patients with STEMI, with low rates of adverse events compared with control group patients.

Keywords: ST-segment elevation myocardial infarction, bone marrow mononuclear cells, hematopoietic stem cells, endothelial progenitor cells, mesenchymal stem cells, meta-analysis

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