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Mechanical or Biologic Prostheses for Aortic Valve and Mitral Valve Replacement

Wednesday, November 8, 2017

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Source Name: New England Journal of Medicine


Andrew B. Goldstone, Peter Chiu, Michael Baiocchi, Bharathi Lingala, William L. Patrick, Michael P. Fischbein,and Y. Joseph Woo

Trends in the use of bioprosthetic versus mechanical valves for AVR and MVR were assessed using a California-based surgical population from 1996-2013.  During this period the use of bioprosthetic devices increased from 12% to 52% for AVR and from 17% to 54% for MVR.  Bioprostheses were associated with substantially increased 15-year mortality in younger patients and had a higher rate of reoperation.  Mechanical valves were associated with higher rates of bleeding and stroke.

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