[Percutaneous occlusion of interventricular septal defects. Initial experiment].

Objective: To assess the initial experiment with percutaneous closure of interventricular septal defects (IVSD), especially perimembranous IVSD (PMIVSD) with the new Amplatzer prosthesis.

Methods: Eleven patients were submitted to the procedure. Six of them had perimembranous IVSD (PMIVSD) and five with muscular IVSD (MIVSD).