Injection of Stem Cells in Acute Myocardial Infarction

There are 3 articles on the subject in last week's NEJM :

Intracoronary Injection of Mononuclear Bone Marrow Cells in Acute Myocardial Infarction.
There was no effect on global left ventricular function.

Intracoronary Bone Marrow-–Derived Progenitor Cells in Acute Myocardial Infarction.
There was an improved recovery of left ventricular contractile function in patients with acute myocardial infarction.

Transcoronary Transplantation of Progenitor Cells after Myocardial Infarction.
There was a moderate but significant improvement in the left ventricular ejection fraction after 3 months.

The conclusion of all 3 studies was almost the same: no breakthrough results, more studies are needed.

Virtual endoscopy of coronary arteries.

Video: Replicating heart stem cells, source: Empowered Medical Media.

Bone-Marrow Cell Injections May Aid Heart Patients. NPR.

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