Table 1 Patients’ characteristics
Patients’ demographics | |
|---|---|
 Age (days), median (range) | 18 (1–2190) |
 Weight (kg), median (range) | 3.1 (2.1–13) |
 Male/female, n (%) | 25 (58.1)/18 (41.9) |
 Full term/preterm n (%) | 38 (88.4)/5(11.6) |
Diagnosis | |
 Pulmonary atresia/ventricular septal defect, n (%) | 12 (27.9) |
 Pulmonary atresia/intact interventricular septum, n (%) | 9 (20.9) |
 Pulmonary atresia/tricuspid atresia, n (%) | 6 (13.9) |
 Complex congenital heart disease, n (%) | 6 (13.9) |
 TGA-VSD-pulmonary stenosis, n (%) | 4 (9.3) |
 Pulmonary atresia with a complete atrioventricular septal defect, n (%) | 3 (6.7) |
 Pulmonary atresia with Ebstein anomaly, n (%) | 2 (4.6) |
 Critical pulmonary stenosis, n (%) | 1 (2.3) |
Angiography | |
 Aortic arch sidedness, n (%) | |
  Left | 30 (69.8) |
  Right | 13 (30.2) |
 PDA length/diameter | |
  Diameter (mm), median (range) | 2.4 (0.8–3.9) |
  Length (mm), median (range) | 17.3 (9–35) |
 PDA origin, n (%) | |
  Origin from the undersurface of the aortic arch | 16 (37.2) |
  Origin from proximal descending aorta | 14 (32.5) |
  Origin from intermediate position | 3 (6.7) |
  Origin from the subclavian or brachiocephalic artery (3 patients had double PDAs) | 10 (23.2) |
 PDA morphology, n (%) | |
  Tortuous | 23 (53.5) |
  Long tubular | 12 (27.9) |
  Conical | 8 (18.6) |