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Title: Heparin-binding protein (HBP) improves prediction of sepsis-related acute kidney injury.
Austin Authors: Tverring, Jonas;Vaara, Suvi T;Fisher, Jane;Poukkanen, Meri;Pettilä, Ville;Linder, Adam
Affiliation: Division of Infection Medicine, Department of Clinical Sciences, Lund University, BMC B14, 221 84, Lund, Sweden
Division of Intensive Care Medicine, Department of Anesthesiology, Intensive Care and Pain Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
Department of Intensive Care, Austin Health, Heidelberg, Victoria, Australia
Department of Intensive Care, Lapland Central Hospital, Rovaniemi, Finland
Issue Date: 18-Oct-2017 2017-10-18
Publication information: Annals of intensive care 2017; 7(1): 105
Abstract: BACKGROUND: Sepsis-related acute kidney injury (AKI) accounts for major morbidity and mortality among the critically ill. Heparin-binding protein (HBP) is a promising biomarker in predicting development and prognosis of severe sepsis and septic shock that has recently been proposed to be involved in the pathophysiology of AKI. The objective of this study was to investigate the added predictive value of measuring plasma HBP on admission to the intensive care unit (ICU) regarding the development of septic AKI. METHODS: We included 601 patients with severe sepsis or septic shock from the prospective, observational FINNAKI study conducted in seventeen Finnish ICUs during a 5-month period (1 September 2011-1 February 2012). The main outcome measure was the development of KDIGO AKI stages 2-3 from 12 h after admission up to 5 days. Statistical analysis for the primary endpoint included construction of a clinical risk model, area under the receiver operating curve (ROC area), category-free net reclassification index (cfNRI) and integrated discrimination improvement (IDI) with 95% confidence intervals (95% CI). RESULTS: Out of 511 eligible patients, 101 (20%) reached the primary endpoint. The addition of plasma HBP to a clinical risk model significantly increased ROC area (0.82 vs. 0.78, p = 0.03) and risk classification scores: cfNRI 62.0% (95% CI 40.5-82.4%) and IDI 0.053 (95% CI 0.029-0.075). CONCLUSIONS: Plasma HBP adds predictive value to known clinical risk factors in septic AKI. Further studies are warranted to compare the predictive performance of plasma HBP to other novel AKI biomarkers.
DOI: 10.1186/s13613-017-0330-1
ORCID: 0000-0003-0939-6673
PubMed URL: 29047023
ISSN: 2110-5820
Type: Journal Article
Subjects: Acute kidney injury
Heparin-binding protein
Risk model
Appears in Collections:Journal articles

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