Table 2.
Intraoperative and Surgical Repair Data, n=57
| Parameter | Single Ventricle, n=47 | Two Ventricle, n=10 | P value |
|---|---|---|---|
| Surgical Repair, n (%) | Norwood stage I palliation, n=42 Aortic arch reconstruction, PA banding, n=3 Aortic arch reconstruction, palliative arterial switch operation, n=2 |
VSD, aortic arch reconstruction, n=7 Arterial switch operation, aortic arch reconstruction, n=3 |
NA |
| CPB Time, min | 193 (169–234) | 155 (144–295) | 0.123 |
| Aortic Crossclamp Time, min | 97 (83–108) | 96 (85–176) | 0.482 |
| DHCA Time, min | 11 (8–14) (n=41) | 15 (15–16)(n=2) | 0.182 |
| RCP Time, min | 80.3 ± 20.1 | 25.9 ± 14.6 | <0.001* |
| Lowest Temperature, °C | 17.5 (17.3–17.9) | 17.9 (17.6–18.0) | 0.051 |
| rSO2 <45% AUC (%-min) | 62.1 (0.1–480.0) | 0.0 (0.0–1.0) | 0.005 |
| rSO2 mean (%) | 69.6 (64.7–72.7) | 77.3 (75.3–83.4) | <0.001* |
| Fentanyl dose (mcg/kg) | 195 (157–306) | 171 (112–190) | 0.116 |
| Midazolam dose (mg/kg) | 1.22 (0.83–1.5) | 1.07 (0.83–1.30) | 0.361 |
| Isoflurane MAC-hours | 1.25 (0.79–2.00) | 1.45 (0.67–2.80) | 0.578 |
AUC, area under the curve, MAC-hours, minimum alveolar concentration × hours, CPB, cardiopulmonary bypass; DHCA, deep hypothermic circulatory arrest; RCP, regional cerebral perfusion; rSO2, regional cerebral oxygen saturation. Data expressed as mean ± standard deviation, or median (25th–75th percentile).
*
p≤0.05.