Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Observational
Official Title: Closure of Atrial Septal Defects With the AMPLATZER™ Septal Occluder (ASO) Post Market Surveillance Study
Brief Summary: Prospective, multicenter, case-cohort study.To identify potential risk factors associated with the occurrence of erosion due to implantation of the AMPLATZER™ Septal Occluder (ASO.)