Clinical characteristics of the cohort (n = 103)
| Antenatal | Mean ± SD/Median (Range)/No. (%) |
|---|---|
| Pregnancy-induced diabetes | 7 (6.8%) |
| Group B streptococcus | 13 (13.3%) |
| Hyperthyroidism | 3 (2.9%) |
| Hypothyroidism | 8 (7.8%) |
| Pregnancy-induced hypertension | 3 (2.9%) |
| Placenta previa | 3 (2.9%) |
| Placenta abruption | 2 (1.9%) |
| Preterm labor | 3 (2.9%) |
| Chorioamnionitis | 1 (1.0%) |
| Intrapartum | |
| Induced labor | 48 (52.7%) |
| Emergency cesarean delivery | 22 (21.8%) |
| Gestational age at birth (wk) | 38.5 ± 1.3 |
| Birth weight (g) | 3173 ± 552 |
| Apgar score 1 min/5 min | 8 (1–9)/8(5–9) |
| Intubation at birth | 18 (19%) |
| SNAP-II score | 5 (0–68) |
| Perinatal (prior to MRI) | |
| Lowest pH | 7.318 ± 0.062 |
| Lowest pO2 | 38.63 ± 23.72 |
| Highest pCO2 | 47.65 ± 12.00 |
| Cardiac catheterization | 11 (10.9%) |
| Balloon atrial septostomy | 15 (14.6%) |
Note:—pCO2 indicates carbon dioxide partial pressure; pO2, oxygen partial pressure.