Drug injection could limit heart attack damage

Hydrogel treatment might minimize heart failure risk in survivors, pig study finds

By Nathan Seppa, 15:37 PM February 11, 2014

People who survive a heart attack are often left with damage to the heart muscle and an increased risk of heart failure. Injections delivered directly into the heart after a heart attack may limit this damage, a test in pigs shows.

A heart attack typically occurs when a blood clot shuts off the flow of blood and oxygen to a section of the heart muscle. When the flow is restored, enzymes called matrix metalloproteinases become overactive, causing scarring that compromises the heart’s pumping ab...

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