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Table 3 Definitions of contrast-induced acute kidney injury

From: Outcomes, risk factors and health burden of contrast-induced acute kidney injury: an observational study of one million hospitalizations with image-guided cardiovascular procedures

Association/Reference Definition
European Society of Urogenital Radiology [26] Increase in serum creatinine >0.5 mg/dL (44 μmol/L) or >25 % within 72 h
Mehran et al. [22] Increase in serum creatinine ≥0.5 mg/dL (44 μmol/L) or ≥25 % within 48 h
Acute Kidney Injury Network [27] Increase in serum creatinine ≥0.3 mg/dL (26 μmol/L) or ≥50 % or oliguria (<0.5 mL/kg/h for >6 h)
Kidney Disease Improving Global Outcomes [28] Increase in serum creatinine of ≥0.5 mg/dL (44 μmol/L) or ≥25 %, assessed 48 h after a radiological procedure
  1. GFR glomerular filtration rate