Acute Kidney Injury: Controversies Revisited

Table 3

Recommended relative and absolute indications for RRT in critically ill patients with AKI [82].

Dialysis indication	Criteria	Absolute/relative
Metabolic	Urea > 27 mmol/L	Relative
	Urea > 35.7 mmol/L	Absolute
	Hyperkalaemia > 6 mmol/L	Relative
	Hyperkalaemia > 6 mmol/L plus ECG changes	Absolute
	Dysnatraemia	Relative
	Hypermagnesaemia > 4 mmol/L	Relative
	Hypermagnesaemia > 4 mmol/L plus anuria or areflexia	Absolute
Acidosis	pH > 7.15	Relative
	pH < 7.15	Absolute
Anuria/oliguria	Risk (RIFLE class)	Relative
	Injury (RIFLE class)	Relative
	Failure (RIFLE class)	Relative
	UO < 200 mL for 12 hrs or anuria	Absolute
Uraemic complication	Encephalopathy	Absolute
	Pericarditis	Absolute
	Myopathy	Absolute
	Neuropathy	Absolute
	Bleeding	Absolute
Fluid overload	Diuretic responsive	Relative
	Diuretic resistant (with pulmonary oedema)	Absolute