One hundred eleven patients underwent open heart surgery with the aid of cardiopulmonary bypass from November, 1980 through September, 1982. There were 57 cases of congenital anomaly and 54 cases of acquired disease.
In 57 congenital anomaly 35 patients were men and 22 were women, ranging from 4 to 37 years of age with a mean 13.9 years. The most frequently operated congenital anomaly was tetralogy of Fallot. Hospital mortality rates for 40 acyanotic and 17 cyanotic patients were 2.5% and 41% respectively. Overall mortality rates in 57 congenital anomaly was 14%.
In 54 acquired disease 22 patients were men and 32 were women, ranging from 13 to 53 years with a mean 29.4 years. All acquired lesions, except one left atrial myxoma, were valvular heart disease. Among 54 acquired lesion, three patients died in the hospital and five during the period of late follow-up.
Forty-eight patients underwent valve replacement. There were 41 mitral valve replacement, 5 aortic valve replacement, and 2 double valve replacement. Operative mortality for valve replacement was 5.7%. In valve replacement Carpentier-Edwards Porcine Xenobioprosthesis were routinely used.
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