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  • Title: [An eighteen-year evaluation of the Bjork-Shiley valve prosthesis].
    Author: Nakano S, Matsuda H, Taniguchi K, Kawamoto T, Mitsuno M, Ueda T, Kawashima Y.
    Journal: Nihon Geka Gakkai Zasshi; 1989 Sep; 90(9):1521-4. PubMed ID: 2586457.
    Abstract:
    We evaluated the long-term (18 years) results of 356 patients undergoing valve replacement with Björk-Shiley valve prosthesis (aortic, 212; mitral 120; double valve, 24) between 1970 and 1988. Actuarial survival rates were 90% (18 years) for AVR, 80% 'years) for MVR and 90% (8 years) for DVR. Actuarial rates of thromboembolism were 99% (18 years) for AVR, 98% (8 years) for MVR and 94% (8 years) for DVR. Actuarial rates of freedom from events (including valve failure, thromboembolism, reoperation and prosthetic valve endocarditis) were 82% (18 years) for AVR, 95% (8 years) and 94% (8 years) for DVR. There were no differences in these results among spherical disc, convexo-concave disc and monostrut valve. In conclusion, this study demonstrated that Björk-Shiley valve showed a low incidence of postoperative events. These results endorse our choice of the Björk-Shiley.
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