Diagnosis and Management of Hepatorenal Syndrome / Acute Kidney Injury (HRS-AKI) |
Diagnosis |
- Cirrhosis; acute liver failure; acute-on-chronic liver failure
- Increase in serum creatinine ≥ 0.3 mg/dl (≥ 26.5 μmoL/L) within 48 h or ≥ 50% from baseline value according to ICA consensus document and/or urinary output ≤ 0.5 mL/kg bodyweight ≥ 6h
- No full or partial response, after at least 2 days of diuretic withdrawal and volume expansion with albumin (recommended dose of albumin is 1g/kg of body weight per day to a maximum of 100 g/day)
- Absence of shock
- No current or recent treatment with nephrotoxic drugs
- Absence of parenchymal disease as indicated by proteinuria > 500 mg/day, microhematuria (> 50 red blood cells per high power field, urinary injury biomarkers (if available) and/or abnormal renal ultrasonography Suggestion of renal vasoconstriction with FENa of < 0.2% (with levels < 0.1% being highly predictive)
|
Recommended therapy |
Liver transplant (priority dependent on MELD score, see Liver Cirrhosis: Management). If person is on transplant list, MELD score should be updated daily and communicated to transplant centre, see Solid Organ Transplantation (SOT) |
Alternative (bridging therapy) |
Vasoconstrictors |
terlipressin
|
0.5-2.0 mg iv every 4-6 hours
|
or octreotide |
100-200 μg sc tid → Goal to increase mean arterial pressure by 15 mmHg |
+ midodrine |
5-15 mg po tid |
and iv albumin (both for at least 7 days) |
|
50-100 g iv qd |