| Patient | Diagnosis | Indication for intervention | Age (days) | Weight (kg) | Risk factors for repair |
| 1 | TOF + MAPCA + LPA stenosis | Severe cyanosis | 58 | 3.6 | Small central pulmonary arteries |
| 2 | TOF | Hypercyanotic spells on PGE | 3 | 2.9 | |
| 3 | DORV-PA + LPA stenosis | PGE-dependent | 3 | 3.1 | |
| 4 | TOF-PA | PGE-dependent | 77 | 2.0 | Prematurity at 29 weeks, birth weight 980 g |
| 5 | TOF + MAPCA | Hypercyanotic spells | 13 | 3.4 | Small central pulmonary arteries |
| 6 | TOF + LPA stenosis | PGE-dependent | 2 | 2.8 | |
| 7 | DORV-TOF | Hypercyanotic spells on PGE | 23 | 2.1 | IUGR, birth weight 1.6 kg, HIE small central pulmonary arteries |
| 8 | TOF | Hypercyanotic spells | 21 | 3.2 | Small central pulmonary arteries |
| 9 | TOF | Hypercyanotic spells, phenylephrine, mechanical ventilation | 46 | 2.5 | HIE, grade 3 IVH small central pulmonary arteries |
| Median (range) | 21 (2–77) | 2.9 (2.0–3.6) |
DORV-PA, double outlet right ventricle with pulmonary atresia; DORV-TOF, double outlet right ventricle tetralogy of Fallot type; HIE, hypoxic ischaemic encephalopathy; IUGR, intrauterine growth retardation; IVH, intraventricular haemorrhage; LPA, left pulmonary artery; MAPCA, multiple aortopulmonary collateral arteries; PGE, prostaglandin E1; RVOT, right ventricular outflow tract; TOF, tetralogy of Fallot; TOF-PA, tetralogy of Fallot with pulmonary atresia.