Attempting to reduce the risk for heart failure following a heart attack, early research on swine takes a new protective approach: targeted injection of naturally occurring “protein inhibitors” directly into the heart. The invasive procedure has only been attempted on adult pigs, whose hearts are considered comparable to that of humans. But preliminary success in staving off heart failure in animal research already amounts to a “proof of concept,” the investigators said, demonstrating that such a technique could work in people, too.
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