“…Because children with secundum ASDs are usually asymptomatic, with normal weight gain and limited respiratory repercussion (repeat infections or wheezing, or both), the procedure is preferentially performed when the patient weighs over 20 kg. Several devices have been used including the Buttoned device, Amplatzer Septal Occluder (AGA Medical, Plymouth, Minnesota, USA), Helex (WL Gore and Associates, Flagstaff, Arizona, USA) and Intrasept (Cardia, Eagan, Minnesota, USA) 141516171819202122. The experience with the CardioSEAL/Starflex/Biostar (NMT Medical, Boston, Massachusetts, USA) device has been limited in South America.…”