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  • Title: [Analysis of neutrophil gelatinase-associated lipocalin in the critical patient].
    Author: Marti-Macia C, Tomasa TM, Sancho A, Galán A, Fernández-Llamazares J, Macias V, Roca J, Gonzalez-Celador R, Amestoy É, Klamburg J, investigadores del estudio COFRADE.
    Journal: Med Intensiva; 2014 Apr; 38(3):146-53. PubMed ID: 23827694.
    Abstract:
    OBJECTIVE: To determine if NGAL value exceeding 150 ng/mL is a good diagnostic test for acute renal failure in critically ill patients. DESIGN: Prospective, observational cohort. SETTING: Intensive Care Unit and Cardiac Surgery Intensive Care Service at Hospital Germans Trias I Pujol. PARTICIPANTS: Patients admitted to the Intensive Care department the Designated days in the studio. INTERVENTIONS: Analysis of serum creatinine blood given from 7 days prior to the start of the study, and daily during 4 weeks and by determination of NGAL urine test in frozen sample, analyzer ARCHITECT (Abbott Diagnostics) determined by immunoassay the day baseline and 2 times a week for 4 weeks, analysis of the stay and mortality. RESULTS: A total of 529 NGAL samples were obtained from 46 patients. 37% of patients had a value of NGAL>150 ng/mL. The Sensivity of the test to diagnose acute renal failure was 69%, Specifity was 75,7%. However, the Positive Predictive Test Value was 53%, which means that 47% of patients with high NGAL did not develop AKI. A NGAL >150 mg/dL was associated with a significantly higher SOFA and a longer stay in the ICU. The mortality of patients with elevated NGAL was 58.8%. CONCLUSIONS: A NGAL>150 ng/mL does not seem to be an excellent test for AKI in critically ill patients but is associated with a worse prognosis.
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