TABLE 1.
General characteristics of the participants
| Variable | n = 61 |
|---|---|
| Male | 36 (59.0) |
| Neonate | 20 (32.8) |
| Weight (kg) | 4.4 ± 1.5 |
| PaO2 | 96.2 ± 10.5 |
| mAVDO2 | 31.3 ± 4.9 |
| Operation time (h) | 3.3 ± 0.9 |
| CPB time (min) | 81.5 ± 26.0 |
| Aortic clamping time (min) | 37.9 ± 5.4 |
| Mesenteric rSO2 (Postoperative) | 58.6 ± 6.0 |
| Mesenteric rSO2 (Initial feeding) | 65.2 ± 6.6 |
| First‐time lactic acid (mmol/L) | 2.8 ± 0.7 |
| Establishment time of enteral feeding (h) | 44.3 ± 12.8 |
| Mechanical ventilation time (days) | 3.0 ± 1.1 |
| Intensive care unit stay (days) | 4.0 ±1.9 |
| RACHS‐1 | |
| 1 | 3 (4.9) |
| 2 | 53 (86.9) |
| 3 | 3 (4.9) |
| 4 | 2 (3.3) |
| 5 | 0 (0) |
| 6 | 0 (0) |
Note: Data are shown as n (%) or mean ± standard deviation.
Abbreviations: CPB, cardiopulmonary bypass; mAVDO2, mesenteric arteriovenous difference of oxygen (It was estimated by subtracting mesenteric NIRS saturation from arterial oxygen saturation); mesenteric rSO2, mesenteric regional venous oxygen saturation (the value obtained from the NIRS monitor); PaO2, arterial oxygen partial pressure; RACHS‐1, Risk Adjustment for Congenital Heart Surgery‐1 classification system.