Table 2.
Infant characteristics
| ECC (N = 15) | DCC (N = 15) | P-value | |
|---|---|---|---|
| Birth characteristics | |||
| Birth weight (kg)a | 3.4 ± 1.2 | 3.3 ± 0.7 | 0.78 |
| Gestational age (weeks) at birtha |
38.3 ± 1.4 | 39.2 ± 1.6 | 0.11 |
| Male gender, n (%) | 7 (47) | 5 (33) | 0.71 |
| Cord clamping time (s)a | 3.8 ± 1.0 | 114 ± 10.7 | 0.001 |
| No intervention, n (%) | 1 (7) | 1 (7) | — |
| Safety measuresb | |||
| 5-minute Apgar scorec | 8 (4–9) | 8 (4–9) | — |
| Peak serum bilirubin (mg dl−1)a |
7.3 ± 3.2 | 9.2 ± 2.2 | 0.08 |
| Polycythemia, n (%) | 0 (0) | 2 (17) | 0.48 |
| Phototherapy, n (%) | 1 (7) | 6 (43) | 0.08 |
| Pre-operative mortality, n (%) | 0 (0) | 0 (0) | — |
| Cardiac diagnosisb | |||
| RACHS 4–6, n (%)d | 3 (21) | 2 (14) | — |
| Cardiac lesionsb | |||
| Aortic arch anomaly | 3 (21) | 4 (29) | — |
| Tetralogy of Fallot ± pulmonary atresia |
3 (21) | 2 (14) | — |
| d-Transposition of great arteries |
5 (36) | 4 (29) | — |
| Pulmonary atresia intact ventricular septum |
0 (0) | 1 (7) | — |
| Critical pulmonary stenosis | 2 (14) | 2 (14) | — |
| Truncus arteriosus | 1 (7) | 1 (7) | — |
| Required repair w/CPB, n (%) | 11 (79) | 10 (71) | — |
Abbreviations: CPB, cardiopulmonary bypass; DCC, delayed umbilical cord clamping; ECC, early umbilical cord clamping.
Data are expressed number (percentage within each group) unless otherwise stated. P-value = 1.0.
a
Mean ± s.d.
b
Based on infants requiring intervention.
Polycythemia ≡ hematocrit >65%.
c
Median (range).
d
RACHS: Risk adjustment cardiac heart score.42