Table 3.
Surgical parameters
| ECC | DCC | P-value | |
|---|---|---|---|
| Pre-operative | |||
| Balloon atrial septostomy, n (%) | 2 (14) | 2 (14) | — |
| Receipt of inotropic medication, n (%) |
6 (43) | 4 (29) | 0.44 |
| Cardiopulmonary resuscitation, n (%) |
2 (14) | 2 (14) | — |
| Duration of mechanical ventilation (days) |
2 (0–15) | 1 (0–19) | 0.78 |
| Intraoperativea | |||
| Age at surgery (days) | 8 (2–28) | 9 (3–34) | 0.82 |
| Cardiopulmonary bypass (min)b | 122 ± 71 | 112 ± 139 | 0.81 |
| Aortic cross-clamp time (min)b | 61 ± 52 | 67 ± 48 | 0.76 |
| Deep hypothermic circulatory arrest, n (%) |
4 (29) | 4 (29) | — |
| Deep hypothermic circulatory arrest time (min)b |
23 ± 14 | 19 ± 10 | 0.39 |
| Modified ultrafiltration time (min)b |
10 ± 2 | 12 ± 3 | 0.07 |
| Post-operative | |||
| Duration of mechanical ventilation (days) |
5 (1–38) | 6 (1–52) | 0.87 |
| Duration of open sternum (days)a | 2 (0–6) | 1 (0–7) | 0.85 |
| Maximum inotropic scoreb | 10.2 ± 4 | 9.4 ± 5.9 | 0.68 |
| Highest lactate (mmol l−1)b | 5.4 ± 2 | 4.2 ± 4 | 0.35 |
| Length of ICU stay (days) | 8 (2–41) | 5 (3–69) | 0.41 |
| Bleeding requiring transfusion, n (%) |
5 (36) | 5 (36) | — |
| Length of hospital stay (days) | 20 (7–69) | 15 (8–112) | 0.78 |
| Unplanned re-interventionsc | 1 (7) | 2 (14) | — |
Abbreviations: DCC, delayed umbilical cord clamping; ECC, early umbilical cord clamping; ICU, intensive-care unit.
Values provided in median (ranges) unless stated otherwise. P-value=1.0.
a
Among patients undergoing surgical repair.
b
Mean ± s.d.
Inotropic score as defined by Wernosky et al.24
c
Included both interventional heart catheterization and cardiac surgeries.