Subclinical and clinical contrast-induced acute kidney injury: data from a novel blood marker for determining the risk of developing contrast-induced nephropathy (ENCINO), a prospective study
2015
AbstractObjective: Neutrophil gelatinase-associated lipocalin (NGAL) is produced in response to tubular injury. Contrast-induced acute kidney injury (CI-AKI) is associated with adverse outcomes in chronic kidney disease (CKD) patients. We sought to characterize blood NGAL level and the degree of kidney injury in CKD patients who underwent coronary angiography. Methods: This study was a prospective, blinded assessment of blood samples obtained from patients with estimated glomerular filtration rates (eGFRs) between 15 and 90 mL/min/1.73 m2 undergoing elective coronary angiography with iodinated contrast. Blood NGAL and serum creatinine were measured at baseline, 1, 2, 4, 6, 12, 24 and 48 h after contrast administration. Results: A total of 63 subjects with a mean eGFR of 48.17 ± 16.45 mL/min/1.73 m2 were enrolled. There was a graded increase in baseline NGAL levels across worsening stages of CKD (p = 0.0001). Post-procedure NGAL increased from baseline in each stage of CKD. Eight (12.7%) patients were diag...
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