[Experience in surgical treatment of tetralogy of Fallot]

Corrective Surgery was done in 122 patients with tetralogy of Fallot between May 1981 and Oct. 1989. The surgical mortality was 7.4% (9 patients) and no late death were noted. Multiple stenoses of the RV out-flow tract were observed in 84 patients (69%). The rate of patching of RV out-flow tract was 85.2%. The operation was performed without preoperative cardiac catheterization or angiocardiography in 24 patients (19.6%). Selection of cases without angiocardiography, operative techniques, and management of anomalous coronary vessels were discussed.