Transcatheter Closure of Atrial Septal Defects With the Amplatzer Septal Occluder. A Japanese Clinical Trial.

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  • A Japanese Clinical Trial

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This study reports the results of a Japanese clinical trial of transcatheter closure of atrial septal defects (ASD) using the Amplatzer septal occluder (ASO). Thirty-five patients with secundum ASD underwent transcatheter closure using the ASO at a median age of 12.9 years (range, 3.2-29.2 years) and a median weight of 39.2 kg (range, 11.6-65.1 kg). The ASO was successfully implanted in 34 patients. The mean ASD diameter of the 34 patients measured by transesophageal echocardiography was 11.7±4.2 mm (range, 5.0-20.8 mm) and the mean balloon stretched diameter was 16.8±4.2 mm (range, 9-25 mm). The mean ASO size was 16.9±4.3 mm (range, 9-26 mm). Complete closure rate at 1 day and 1 year after closure was 91% and 97%, respectively. One patient developed a transient second-degree atrioventricular block during the implantation procedure. No other complications occurred. Transcatheter closure of ASD using the ASO is effective and safe. (Circ J 2002; 66: 791 - 794)<br>

Journal

  • Circulation Journal

    Circulation Journal 66 (9), 791-794, 2002

    The Japanese Circulation Society

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