Perioperative variables and outcomes
| All patients | rSO2 desaturation* | rSO2 oversaturation† | P value | |
| Outcomes | ||||
| Changes in S100B | ||||
| PCS-AKI | ||||
| Preoperative variables | ||||
| Prehaemoglobin | ||||
| Prehaematocrit | ||||
| Pre-SCr | ||||
| Pre-LVEF | ||||
| Precyanotic lesions (yes/no) | ||||
| Pre-S100B | ||||
| Type of surgery | ||||
| VSD | ||||
| ASD | ||||
| TOF | ||||
| TAPVC | ||||
| DORV | ||||
| Others | ||||
| RACHS-2 | ||||
| Pre-PedsQL score | ||||
| Anaesthetic drugs | ||||
| Propofol | ||||
| Midazolam | ||||
| Opioid | ||||
| End-tidal of sevoflurane | ||||
| Intraoperative variables | ||||
| CPB and aortic cross clamp time | ||||
| Aortic cross clamp time | ||||
| Number of attempts to end CPB | ||||
| Ventricular fibrillation during weaning | ||||
| SPO2 during CPB | ||||
| MAP during CPB | ||||
| Temperature during CPB | ||||
| Urine output during CPB | ||||
| Haemoglobin during CPB | ||||
| Haematocrit during CPB | ||||
| Postoperative variables | ||||
| Post-SCr | ||||
| Post-S100B | ||||
| Extubation time (hour) | ||||
| Hospitalisation costs | ||||
| Post-PedsQL score |
*Desaturation: below an rSO2 value 10% less than baseline.
† Oversaturation, above an rSO2 value 10% more than baseline.
ASD, atrial septal defect repair; CPB, cardiopulmonary bypass; DORV, double outlet right ventricle repair; LVEF, left ventricular ejection fraction; MAP, mean arterial pressure; PCS-AKI, paediatric cardiac surgery-associated acute kidney injury; PedsQL, paediatric quality-of-life; RACHS-2, Risk Stratification for Congenital Heart Surgery for ICD-10 Administrative Data; rSO₂, regional oxygen saturation; S100B, S100 calcium-binding protein B; SCr, serum creatinine; TAPVC, total anomalous pulmonary venous connection repair; TOF, tetralogy of Fallot repair; VSD, ventricular septal defect repair.