Cardiac valve implantation was performed in 107 patients from September, 1988 to May, 1995. There were 3) men and 74 women, whose ages ranged from 19 to 75 years(mean 42.6$pm$11.7). Mitral valve was implanted in 61 patients, double(mitral & aortic) valve were Implanted in 28 patients and aortic valve was implanted in 18 patients. Follow up was 100% complete, with 345.6 patient-years and a mean fo low up of 41 months(from 1.5 to 84 months). The total mortality was 14.9%(16 patients). The early mortality was 5.6%(6 patients) and the late mortality was 9.3%(10 patients). The overall actuarial survival was 92.6 $pm$ 2 6% at 2 years, 88.6$pm$3.8% at 6 years. The probability of freedom from valve failure, thromboembolism and bacterial endocarditis were 388.6 $pm$ 3.8, 88.3 $pm$3.9, 89.5 $pm$3.7 at 6 years, respectively.