Bone marrow cells may significantly reduce risk of second heart attack

After heart attack patients' arteries were cleared by reperfusion, progenitor cells, derived from the patients' own bone marrow, were infused into that artery. This reduced the risk of death or another heart attack. The finding also holds promise that bone marrow progenitor cells can reduce debilitating or fatal heart failure in heart attack survivors. Larger trials are needed to confirm the therapy before it becomes medical practice.

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