Study examines survival following repair of failed bioprosthetic aortic valves

July 8, 2014 8:05 PM

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In an analysis of about 460 patients with failed bioprosthetic aortic valves who underwent transcatheter valve-in-valve implantation, overall survival at one year was 83 percent, with survival associated with surgical valve size and mechanism of failure, according to a study in the July 9 issue of JAMA.

Surgical aortic valve replacements increasingly use bioprosthesis (composed of biological tissue) implants rather than mechanical valves. Owing to a considerable shift toward bioprosthesis implantation, it is expected that there will be an increase in the number of patients with degeneration of thes...

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