New treatment for severe aortic stenosis shown to save lives

Implantation of a new bioprosthetic-tissue valve into the hearts of patients who have severe aortic stenosis and are too sick or too old for open-heart surgery has been found to both save lives and improve the quality of those lives, according to a new multicentre study, to be published online at 2 p.m. Pacific time today in the New England Journal of Medicine...

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