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  • Title: [Strut fracture of a convex-concave 60 degree Björk-Shiley mitral valve prosthesis 5 years after implantation--metallurgic analysis of the prosthesis strut].
    Author: Lemke B, Rathmann J, Wiebe V, Witzel U.
    Journal: Z Kardiol; 1991 Aug; 80(8):537-40. PubMed ID: 1950077.
    Abstract:
    Acute mechanical failure of prosthetic heart valves is rare, but associated with high mortality when occurring. For convexo-concave Björk-Shiley prostheses only fractures of the outlet strut are reported. We present a case of lethal mechanical complication 5 years after implantation. By additional metallurgic analysis we were able to identify a sequential course of the outlet strut fracture. This could lead to new approaches for early detection of this complication.
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