Phase | Mild hypothermia group | Normothermia group | ||||
---|---|---|---|---|---|---|
Water temperature setting | Target oxygenator arterial outlet blood temperature | Target core temperature | Water temperature setting | Target oxygenator arterial outlet blood temperature | Target core temperature | |
Initiation of CPB | NA | NA | NA | NA | NA | NA |
Cooling | 32–33℃* | 32–33℃ | 32–33℃ | 35–36℃ | 35–36℃ | 35–36℃ |
Aortic cross-clamping | 32–33℃ | 32–33℃ | 32–33℃ | 35–36℃ | 35–36℃ | 35–36℃ |
Rewarming | Gradually adjusting to > 36℃ | > 36℃ | > 36℃ | Gradually adjusting to > 36℃ | > 36℃ | > 36℃ |
Opening of the ascending aorta | > 36℃ | > 36℃ | > 36℃ | > 36℃ | > 36℃ | > 36℃ |
Cessation of CPB | NA | NA | > 36℃ | NA | NA | > 36℃ |