Table I.

List of operated cardiac malformations during 2006–2012

Cardiac disease	Number of patients (% of occurrence)
ASD II	260 (23)
VSD	230 (20)
AVSD	148 (13.1)
ToF	111 (9.8)
TGA	81 (7.2)
AS/AI	81 (7.2)
UVH	58 (5.1)
AVVI	46 (4.1)
TAPVR	20 (1.8)
MIX	94 (8.7)

ASD II – atrial septal defect, VSD – ventricular septal defect, AVSD – atrioventricular septal defect, ToF – tetralogy of Fallot, TGA – all spectrum of transposition of great arteries, AS/AI – aortic valve malformations (complex and simple), UVH – all spectrum of single ventricle disease, including hypoplastic left heart syndrome, AVVI – isolated atrioventricular valve malformations, TAPVR – all spectrum of total anomalous pulmonary venous return, MIX – other, less frequent cardiac malformations.