Transcatheter Mitral Valve Implantation in Degenerated Bioprosthetic Valves.

The use of bioprosthetic valves for mitral valve disease has been increasingly popular with both patients and physicians, and current practice uses these valves for increasingly younger patients. However, these valves are known to degenerate over time. Historically, reoperation was the only recourse for a failing bioprosthetic valve.