txchnologist:

How To Mend a Broken Heart

by Alex O’Brien, Mosaic Science

Haskell Karp was 37 when he suffered his first heart attack, and over the next ten years he suffered a variety of related problems. By 1969 even the slightest effort, like combing his hair or brushing his teeth, would bring on chest pain or extreme shortness of breath. There are four grades of heart failure under the classification determined in 1928 by the New York Heart Association; Karp’s was classified as grade IV, the most severe.

The surgeon who treated him at St Luke’s Hospital, Texas, in 1969 was an energetic man called Denton Cooley. “The man had a big dilated heart and I hoped we could reduce the size of that heart, so it could regain some of its own function,” says Cooley. But Karp did not respond well to the treatment; half of his heart was beyond repair. Cooley had expected this. He’d discussed it with Karp before the surgery: “I don’t think your heart’s going to be strong enough to tolerate this operation,” he’d told him. But Cooley had made a suggestion: if Karp’s heart were to be too weak at the end of the operation, how about taking a replacement ­– an experimental artificial heart they’d been developing in the lab.

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