'Closed' Heart Surgery Offers Less Invasive Option
Dramatic experiments, in a few hospitals in the U.S., Canada and Europe, are designed to find easier ways to replace diseased heart valves that threaten the lives of tens of thousands of people every year. The experiments are starting with the aortic valve that is the heart's key doorway to the body.
The need for a less invasive alternative is great and growing. Already, about 50,000 people in the U.S. have open-heart surgery every year to replace the aortic valve. Surgeons saw the breastbone in half, stop the heart, cut out the old valve and sew in a new one. Even the best patients spend a week in the hospital and require two months or three months to recuperate.
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