Abstract

Between April, 1984 and September 1988, 459 patients underwent cardiovascular surgery at the Yeungnam University Hospital. Of these, 355 cases were open heart surgeries and 104 cases were non-open heart surgeries. There were 237 patients of acyanotic congenital cardiac anomalies, 40 patients of cyanotic congenital cardiac anomalies, and 85 patients of acquired heart diseases. The sex ratio of cardiovascular diseases was represented as 1:1.3 in male and female. The age distribution was ranged from 1 day to 65 years old. The common congenital cardiovascular anomalies were ventricular septal defect (38.7%), patent ductus arteriosus (25.5%), atrial septal defect (20.7%), Tetralogy of Fallot (8.3%), and pulmonary stenosis (2.4%) in order of frequency. Among 87 acquired cardiovascular diseases, 81 patients underwent operation for cardiac valvular lesions, 51 patients had mitral valve replacement and 13 patients had aortic valve replacement and 17 patients had double valve replacement. The overall mortality of cardiovascular surgery was 3.3% and mortality of open heart surgery was 3.9%.