Preoperative factors | Intraoperative factors |
---|---|
Age | Duration of cardiopulmonary bypass |
Gender | Cross-clamp time |
Hypertension | Circulatory arrest time ≥ 40 minutes |
Diabetes | Core temperature during circulatory arrest |
Left ventricular ejection fraction | Deep hypothermic circulatory arrest |
ASA classification | Modified hypothermic circulatory arrest |
Preoperative PaO2/FiO2 Ratio | |
Renal insufficiency | |
Liver function impairment |