The types of congenital heart diseases were ventricular septum defect 20, 7%, pulmonary atresia 17, 4%; transposition of great arteries 10, 4%; atrioventricular canal 8, 9%; double outlet right ventricle 7, 4%; tetralogy of Falot 6, 7%; patent ductus arteriosus 5, 9%; atrial septum defect 3, 0%.