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Eur J Echocardiogr. 2010 Jun;11(5):440-5. doi: 10.1093/ejechocard/jep235. Epub 2010 Mar 22.

Intracoronary infusion of selected autologous bone marrow stem cells improves longitudinal myocardial strain and strain rate in patients with old anterior myocardial infarction without recent revascularization.

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  • 11st Department of Cardiology, Onassis Cardiac Surgery Center, 356 Syngrou Avenue, 17674 Athens, Greece.



We sought to evaluate the efficacy of intracoronary infusion of selected bone marrow stem cells (BMSCs) in patients with remote, anterior non-viable MI by the use of tissue Doppler imaging.


We infused selected CD133+ and CD133-CD34+ BMSCs in 10 patients enrolled in the study. Peak systolic strain rate, maximum strain during the cardiac cycle (epsilon(max)), strain during ejection time (epsilon(et)), and post-systolic strain (epsilon(ps)) were measured. Peak systolic strain rate (-0.69 +/- 0.2 vs. -1.15 +/- 0.27, P = 0.001), epsilon(max) (-9.87 +/- 3.30 vs. -15.57 +/- 5, P = 0.006), and epsilon(et) (-7.45+/-2.86 vs. -10.92 +/- 4.45, P = 0.015) improved significantly during the rest study 6 months after cell infusion. Low-dose inotropic challenge also showed significant improvement of longitudinal deformation indices in the follow-up study. Global ejection fraction did not improve significantly after cell therapy.


Intracoronary infusion of selected BMSCs in patients with remote, anterior, non-viable myocardial infarction is safe and leads to improvement of longitudinal deformation indices 6 months after the infusion.

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