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Eur J Heart Fail. 2009 Jul;11(7):691-8. doi: 10.1093/eurjhf/hfp062. Epub 2009 May 6.

Repeated autologous bone marrow mononuclear cell therapy in patients with large myocardial infarction.

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1
Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai 200032, China.

Abstract

AIMS:

We sought to determine whether repeat administration of bone marrow mononuclear cells (BMC) can improve left ventricular function compared with a single infusion in patients with large acute myocardial infarction (AMI).

METHODS AND RESULTS:

Thirty-nine patients with a ST-elevation AMI of the anterior wall and a significantly decreased left ventricular ejection fraction (LVEF 20-39%) were randomly assigned to three groups following primary percutaneous coronary intervention: Group A (n = 12) received a single intracoronary infusion of BMC (1.9 +/- 1.2 x 10(8)) at 3-7 days after AMI; Group B (n = 15) received BMC administration both at 3-7 days (2.0 +/- 1.4 x 10(8)) and at 3 months (2.1 +/- 1.7 x 10(8)); and the control group (CON, n = 12) received one placebo injection at 3-7 days. We noted no severe complications associated with the BMC transfer. The increase in LVEF evaluated by magnetic resonance imaging (MRI) after 12 months in Group B (11.7 +/- 2.6%) was significantly greater than that in Group A (7.2 +/- 1.6%, P < 0.001) or in CON (2.9 +/- 2.0%, P < 0.001). Magnetic resonance imaging-derived myocardial infarct size decreased significantly in Group B compared with Group A (11.3 +/- 2.7% vs. 6.3 +/- 1.6%, P < 0.001).

CONCLUSION:

Data from this preliminary study suggest that repeated BMC administration might be a safe and feasible therapeutic strategy for patients with large AMI.

PMID:
19420003
DOI:
10.1093/eurjhf/hfp062
[Indexed for MEDLINE]
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