Long-term Results of Cardiac Surgery Atrial Septal Defect and Tetralogy of Fallot

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The long-term results of the closure operation of atrial septal defect were followed up on 59 patients. The majority of the cases had excellent results, but 17% of them had some complaint or could not gain clear-cut improvement. Three factors are important to have excellent results : (1) perfect closure of the defect, (2) repair of other possible coexsistent abnormalities, and (3) operation in early age, preferably under twenty years of age. The long-term results of shunt-operation were studied on 78 cases of Fallot's tetralogy. About 80% of these cases had excellent or good results. However 20% of them had no change or lost improvement. The causes of loss of improvement were commented. Among the age group under 5 years, there are many cases who showed loss of improvement, while excellent results are rarely seen among the patients over 15 years of age. Four cases were treated by Brock's method and the other four patiente received the corrective operations by direct vision. Of these cases the results were followed up and discussed.
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