Family Centred Early Intervention of Infants With Congenital Heart Disease

Inclusion Criteria: * Infants born with severe cyanotic and acyanotic congenital heart disease (e.g. tetralogy of Fallot, pulmonary atresia, transposition of the great arteries, atrial/ventricular septal defects, double outlet right ventricle, ...) who undergo open-heart surgery once before the first 3-6 months of their life * Parents able to comprehend the patient information linguistically and cognitively * Informed consent of parents as documented by signature Exclusion Criteria: * Infants with hypoplastic left heart syndrome as they need to undergo several open-heart surgeries within the first period of their life. * Infants with trisomy 21 and other syndromes like 22q11 microdeletion syndrome, CHARGE syndrome that are often associated with CHD. These infants often show additional cognitive impairments that might confound the effect of our intervention.