J.Jpn. Surg. Soc.. 80(12): 1535-1539, 1979

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Report on the annual meeting

THE LONG-TERM RESULT OF MITRAL VALVE REPLACEMENT FOR THE ACQUIRED HEART DISEASE

On the view point of the long-term result, 131 patients who received mitral valve replacement (MVR) before 3 years and survived were studied. The actuarial survival rate at 13 years after MVR was 83% excluding operative death. Analysis of 20 cases of late death revealed that 30% was related to prosthesis such as cerebral embolism and 35% was cardiac causes unrelated to prosthesis such as congestive heart failure, arrhythmia, and so on. The 13-year survival rate was 91 % for patient with predominant mitral stenosis and significantly higher than the 78% survival rate for patients with mitral regurgitation. Analysis of life status showed that 87.4% have returned to useful activity. But 14 patients lost job or are still under medical care. The cause was cerebral embolism in 10 of these 14 patients. The incidence of cerebral embolism has decreased markedly after the introduction of Warfarin-Bucolome treatment.

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