Corrective Surgery of Tetralogy of Fallot in Childhood

From April 1973 through June 1984, 608 corrective procedures for tetralogy of Fallot (TOF) were performed in our hospital. A right ventricular outflow tract (RVOT) patch was used in 322 cases; valved conduit graft was used in eight. There were three second procedures. The operative mortality rate (OMR) was 4.5% and the late mortality rate was 2%.