Recommendation Table 52.

Recommendations for acid–base homeostasis and electrolytes

Recommendations	Class a	Level b	Ref c
Alpha-stat acid-base management should be considered in adult cardiac surgery patients with high-moderate hypothermia due to improved neurological and neurocognitive outcomes.	IIa	B	786,787
Magnesium sulphate may be considered perioperatively for prophylaxis of postoperative arrhythmias and improved cardiac protection/tissue oxygenation.	IIb	B	790,792,793
Magnesium sulphate may be considered perioperatively for improved postoperative neurocognitive dysfunction.	IIb	B	794,795
A perioperative glucose-insulin-potassium regimen may be considered in the prevention of low cardiac output syndrome.	IIb	B	788,789

^aClass of recommendation.

^bLevel of evidence.

^cReferences.