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  • Title: [Acute dysfunction of mitral bioprosthesis: Doppler expression of a musical holosystolic murmur. Apropos of 2 cases].
    Author: Metz D, Laudinat JM, Chapoutot L, Taupin JM, Chabert JP, Pollet E, Bajolet A.
    Journal: Arch Mal Coeur Vaiss; 1989 Sep; 82(9):1617-21. PubMed ID: 2510682.
    Abstract:
    Two women who had been fitted with a porcine mitral valve seven years previously suddenly developed acute dysfunction of the bioprosthesis with regurgitation. In both patients physical examination revealed an intense, vibrating, musical holosystolic murmur sounding like a "goose cry" and located at the apex. Pulsed doppler showed major, jet-like, central orothetic mitral regurgitation. A harmonic graph was recorded when the doppler window was positioned upstream of the porcine valve leaflets. The finding of such a doppler signal in this clinical context suggests tearing or perforation of one cuspid and rules out the possibility of bioprosthesis degeneration.
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