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The Diagnostic Accuracy of Plasma Neutrophil Gelatinase-Associated Lipocalin in the Prediction of Acute Kidney Injury in Emergency Department Patients With Suspected Sepsis
Journal article   Open access   Peer reviewed

The Diagnostic Accuracy of Plasma Neutrophil Gelatinase-Associated Lipocalin in the Prediction of Acute Kidney Injury in Emergency Department Patients With Suspected Sepsis

Nathan I. Shapiro, Stephen Trzeciak, Judd E. Hollander, Robert Birkhahn, Ronny Otero, Tiffany M. Osborn, Eugene Moretti, H. Bryant Nguyen, Kyle Gunnerson, David Milzman, …
Annals of emergency medicine, v 56(1), pp 52-59
01 Jul 2010
DOI: https://doi.org/10.1016/j.annemergmed.2010.02.010
PMID: 20363526
Featured in Collection :   UN Sustainable Development Goals @ Drexel
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https://doi.org/10.1016/j.annemergmed.2010.02.010View
Published, Version of Record (VoR)Maybe Open Access (Publisher Bronze),  Open

Abstract

Emergency Medicine Life Sciences & Biomedicine Science & Technology
Study objective: We assess the diagnostic accuracy of plasma neutrophil gelatinase associated lipocalin (NGAL) to predict acute kidney injury in emergency department (ED) patients with suspected sepsis. Methods: We conducted a secondary analysis of a prospective observational study of a convenience sample of patients from 10 academic medical center EDs. Inclusion criteria were adult patients aged 18 years or older, with suspected infection or a serum lactate level greater than 2.5 mmol/L; 2 or more systemic inflammatory response syndrome criteria; and a subsequent serum creatinine level obtained within 12 to 72 hours of enrollment. Exclusion criteria were pregnancy, do-not-resuscitate status, cardiac arrest, or dialysis dependency. NGAL was measured in plasma collected at ED presentation. Acute kidney injury was defined as an increase in serum creatinine measurement of greater than 0.5 mg/dL during 72 hours. Results: There were 661 patient enrolled, with 24 cases (3.6%) of acute kidney injury that developed within 72 hours after ED presentation. Median plasma NGAL levels were 134 ng/mL (interquartile range 57 to 277 ng/mL) in patients without acute kidney injury and 456 ng/mL (interquartile range 296 to 727 ng/mL) in patients with acute kidney injury. Plasma NGAL concentrations of greater than 150 ng/mL were 96% sensitive (95% confidence interval [CI] 79% to 100%) and 51% (95% CI 47% to 55%) specific for acute kidney injury. In comparison, to achieve equivalent sensitivity with initial serum creatinine level at ED presentation required a cutoff of 0.7 mg/dL and resulted in specificity of 17% (95% CI 14% to 20%). Conclusion: In this preliminary investigation, increased plasma NGAL concentrations measured on presentation to the ED in patients with suspected sepsis were associated with the development of acute kidney injury. Our findings support NGAL as a promising new biomarker for acute kidney injury; however, further research is warranted. [Ann Emerg Med. 2010;56:52-59.]

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Collaboration types
Domestic collaboration
Web of Science research areas
Emergency Medicine
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