The Björk-Shiley Monostrut valve. Clinical experience in 647 patients
1993
A total of 647 consecutive patients underwent valve replacement with a Bjork-Shiley Monostrut valve (Shiley, Inc., Irvine, Calif.) from January 1, 1984, through December 31, 1988. A total of 135 patients (20.8%) had had a previous cardiac correction. Overall hospital mortality was 6.8%. Preoperative functional class, cardiopulmonary bypass time, aortic crossclamping time, and cause of valve replacement influenced in-hospital mortality significantly (univariate analysis). The median follow-up was 30 months. Overall actuarial survival was 81%±4% at 6 years. Univariate and multivariate regression analysis showed that preoperative functional class, total cardiopulmonary bypass time, size of mitral prosthesis, and pure mitral insufficiency significantly influenced total mortality after valve replacement
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