and on the size of the defect. Although there are no controlled, randomized trials of secundum ASD closure which compare surgical with catheter-based closure, most recent series have demonstrated ...

Two primary methods exist for closing significant atrial septal defects: Catheter-based closure, a minimally invasive procedure where a small device resembling two connected discs is delivered ...

The procedure performed on the patient, transcatheter ASD closure, is a form of cardiac catheterization. In this process, a thin tube, called a catheter, is inserted through a vein and carefully ...