Edwards heart valve trial results impress | Reuters

A heart valve replacement technique developed by Edwards LifeSciences Corp that spares patients open-heart surgery had a slightly lower death rate at one year, outweighing a higher risk of major stroke. One year after implantation using the Edwards valve called Sapien, 24.2 percent of patients died -- compared with 26.8 percent of those who underwent open-heart surgery in the highly anticipated 699-patient study...

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