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Table 1 The Mehran risk score for the prediction of CIN

From: Serum levels of neutrophil Gelatinase associated Lipocalin (NGAL) predicts hemodialysis after coronary angiography in high risk patients with acute coronary syndrome

Mehran score periprocedural CIN risk factorScore
Hypotension (SBP < 80 mmHg or < 1 h of inotropic support)5
Intra-arterial balloon pump therapy5
Chronic heart failure (NYHA III/IV or recent pulmonary edema)5
Age < 75 years4
diabetes mellitus3
Anemia (male: HCT < 0.39, female: HCT < 0.36)3
Creatinine > 1.5 mg/dL4
 Estimated glomerular filtration rate < 20 mL/min6
 Estimated glomerular filtration rate 20–40 mL/min4
 Estimated glomerular filtration rate 40–60 mL/min2
Contrast media volume (cc)1 point for each 100
  1. CIN contrast induce nephropathy, SBP systolic blood pressure, NYHA New York heart association functional classification, HCT hematocrit