Table 1.

Surgical procedures performed in the study population

Surgical ProcedurePatients (n)Aristotle Score
Ventricular septal defect closure376
Arterial switch operation3410
Tetralogy of Fallot repair278
Arterial switch operation and ventricular septal defect closure2011
Pulmonary atresia, palliation147.5
Complete atrioventricular canal repair119
Total anomalous pulmonary vein connection repair89
Bidirectional Glenn anastomosis77.5
Interrupted aortic arch repair610.8
Truncus arteriosus repair411
  • The complexity of each cardiac condition is graded according to the Aristotle surgical complexity score (18), ranging between 1.5 and 15.