Percutaneous patent ductus arteriosus closure: Twelve years of experience João Antunes Sarmento; Ana Correia-Costa; Edite Gonçalves; Maria João Baptista; João Carlos Silva; Jorge Moreira;

Changes in heart rate variability after ventricular septal defect closure in children. Where do we stand? Adaptation mechanism, sequela or complications? Fátima F. Pinto;

Two stenoses for a shunt: A rare complication after transcatheter patent ductus arteriosus closure Panagiotis Zachos; Niki Lama; Nikias Milaras;