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The Journal of Thoracic and Cardiovascular Surgery, Vol 70, 862-868, Copyright © 1975 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

Isolated mitral valve replacement with the Kay-Shiley disc. valve. Acturial analysis of the long term results

HA Wellons Jr, RS Strauch, SP Nolan and WH Muller Jr

During a five-year period the Kay-Shiley (K and T series) prosthesis was used for 83 isolated mitral valve replacements. There were 14 early deaths, for a 17.28 per cent mortality rate. Survival determined by the actuarial method revealed a 6 year cumulative survival rate of 39.8 per cent. Thromboembolism was a significant problem in this series, with 33 patients experiencing a total of 55 embolic events. This represented a rate of 24.7 emboli per 1,000 patient months at risk. From our experience, it is concluded that the Kay-Shiley prosthesis is associated with a high incidence of thromboembolism and late death.

This article has been cited by other articles:

				S. Nakayama, M. Nonaka, and O. Ishida Reoperation of the Kay-Shiley Disc Valve 35 Years After Replacement Ann. Thorac. Surg., April 1, 2005; 79(4): 1395 - 1397. [Abstract] [Full Text] [PDF]