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We report the safety and efficacy of the Amplatzer device for transcatheter closure of ASD and fenestrated Fontan in children and adults. One hundred and two patients underwent transcatheter occlusion of the defect. The median age of the patients was 18.2 years, the median size of the ASDs by TEE was 17.6 mm, the median balloon-stretched diameter was 19.9 mm, and the median size of the device implanted was 20 mm. Immediately after the release of the device, color Doppler echocardiography revealed no residual shunt in 92 (90.19%) of 102 patients. At 24 hours all the patients 101/101 (100%) had complete closure. The minor complications encountered after the procedure were atrial arrhythmias in 4 patients. The only major complication we had was a baby who died. In conclusion, the ASO device is a safe and effective device for catheter closure of most secundum ASDs and fenestrated Fontan.

These data show that there is an adequate relation between scores and outcome. We conclude that children less than 2 years old with pulmonary valve stenosis and a score greater than or equal to 4 should not be candidates for balloon pulmonary valvuloplasty.

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