Pediatric Cardiology Unit;
Hospital Universitario y Politécnico La Fe;
Valencia;
Spain;
Pediatric Intensive Care Unit;
Hospital General de Castellón;
Castellon;
Spain;
Pediatric Surgery Unit;
Hospital Universitario y Politécnico La Fe;
Valencia;
Spain;
Univentricular heart; Postoperative; Congenital heart disease; Norwood; Glenn; Fontan;