1976. 1 Since then, few devices have been evaluated in children and adults with variable
degrees of successful deployment and closure of the defects. 2–7 Recently, the initial
clinical results using a new self-centering device Amplatzer (AGA Medical Corp., Golden
Valley, Minnesota) septal occluder (ASO) has been reported in a number of patients. 6–12
The use of transthoracic echocardiography (TTE) in the follow-up of patients after device …