Use of admission serum neutrophil gelatinase-associated lipocalin (NGAL) concentrations as a marker of sepsis and outcome in neonatal foals
Malene Laurberg,
Claude Saegerman,
Stine Jacobsen,
Lise C Berg,
Sigrid Hyldahl Laursen,
Emma Hoeberg,
Elaine Alexandra Sånge and
Gaby van Galen
PLOS ONE, 2023, vol. 18, issue 5, 1-15
Abstract:
Background: Equine neonatal sepsis can be challenging to diagnose and prognosticate. Neutrophil gelatinase-associated lipocalin (NGAL), a new marker of renal damage and inflammation, can potentially be helpful. Objectives: To evaluate NGAL in neonatal foals with sepsis, and assess its relation to outcome. Animals: Foals ≤ 14 days, with admission blood analysis and stored serum. Methods: NGAL was measured on stored serum from 91 foals. Foals were scored for sepsis and survival and categorized according to sepsis status (septic, sick non-septic, healthy, and uncertain sepsis status) and outcome groups (survivors and non-survivors). The septic foals were further sub-categorized according to severity (normal sepsis, severe sepsis and septic shock). A Kruskal-Wallis test was used to compare serum NGAL concentrations in survivors and non-survivors, in the sepsis status groups, and in the sepsis severity groups. Optimal cut-off values for serum NGAL concentrations to diagnose sepsis and outcome were determined with receiver operating characteristic (ROC) curves. NGAL was compared to creatinine and SAA. Results: Median serum NGAL concentrations were significantly higher in septic than non-septic foals. However, serum NGAL concentrations did not differ between sepsis severity subgroups. Serum NGAL concentrations were significantly lower in survivors than in non-survivors. Optimal cut-off values of serum NGAL concentrations were 455 μg/L (sensitivity 71.4%, specificity 100%) and 1104 μg/L (sensitivity 39.3%, specificity 95.2%) for predicting sepsis and non-survival, respectively. NGAL correlated to SAA, but not to creatinine. NGAL performed similarly to SAA to diagnose sepsis. Conclusion: Serum NGAL concentrations may be useful for diagnosing sepsis and predicting outcome.
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0285819
DOI: 10.1371/journal.pone.0285819
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