Diagnostic criteria of HRSa
Major Criteriab |
Low GFR, as indicated by serum creatinine >1.5 mg/dl or 24-h creatinine clearance <40 ml/min |
Absence of shock, ongoing bacterial infection, fluid losses, and current treatment with nephrotoxic drugs |
No sustained improvement in renal function (decrease in serum creatinine to ≤1.5 mg/dl or increase in creatinine clearance to ≥40 ml/min) after diuretic withdrawal and expansion of plasma volume with 1.5 L of a plasma expander |
Proteinuria <500 mg/d and no ultrasonographic evidence of obstructive uropathy or parenchymal renal disease |
Additional Criteria |
Urine volume <500 ml/d |
Urine sodium <10 mEq/L |
Urine osmolality greater than plasma osmolality |
Urine red blood cells <50/high-power field |
Serum sodium concentration <130 mEq/L |