Table 2.
Causes of PPHN (n = 78).
| Aspiration of bloody amniotic fluid, n (%) | 1 (1.2) |
| Aspiration of blood from upper airways | 1 (1.2) |
| (traumatic intubation), n (%) | |
| Meconium aspiration syndrome, n (%) | 10 (12.8) (2†) |
| Congenital pneumonia and sepsis, n (%) | 19 (24.3) (4†) |
| Severe hyaline membrane disease, n (%) | 3 (3.8) (1†) |
| Transient tachypnea of the newborn, n (%) | 4 (5.1) |
| Intrauterine ductus arteriosus closure | 2 (2.5) |
| (indomethacin), n (%) | |
| Congenital diaphragmatic hernia, n (%) | 17 (21.7) (10†) |
| Potter syndrome, n (%) | 1 (1.2) (1†) |
| Nephrourological malformation with | 1 (1.2) |
| oligoamnios, n (%) | |
| Idiopathic hypoplastic lung, n (%) | 2 (2.5) (1†) |
| Idiopathic pulmonary arteriolar | 1 (1.2) (1†) |
| calcification, n (%) | |
| Pulmonary “arteriopathy”, n (%) | 1 (1.2) (1†) |
| Arterial pulmonary thrombosis, n (%) | 1 (1.2) (1†) |
| Fetal tachyarrhythmia, n (%) | 1 (1.2) |
| Maternal diabetes, n (%) | 1 (1.2) (1†) |
| Malformation of vein of Galeno, n (%) | 2 (2.5) (2†) |
| Perinatal asphyxia, n (%) | 4 (5.1) |
| Unknown aetiology, n (%) | 6 (7.6) |
†: deceased.