Biomarkers for febrile urinary tract infection in children.
In: Pediatric Nephrology, Jg. 37 (2022), Heft 1, S. 171-177
Online
academicJournal
Zugriff:
Background: The sensitivity and specificity of the leukocyte esterase test for the diagnosis of urinary tract infection (UTI) are suboptimal. Recent studies have identified markers that appear to more accurately differentiate children with and without UTI. The objective of this study was to determine the accuracy of these markers, which included CCL3, IL-8, CXCL1, TNF-alpha, IL-6, IFN-gamma, IL-17, IL-9, IL-2, and NGAL, in the diagnosis of UTI. Methods: This was a prospective cross-sectional study to compare inflammatory proteins between urine samples from febrile children with a UTI, matched febrile controls without a UTI, and asymptomatic healthy controls. Results: We included 192 children (75 with febrile UTI, 69 febrile controls, and 48 asymptomatic healthy controls). Urinary proteins that best discriminated between febrile children with and without UTI were NGAL, a protein that exerts a local bacteriostatic role in the urinary tract through iron chelation; CCL3, a chemokine involved in leukocyte recruitment; and IL-8, a cytokine involved in neutrophil recruitment. Levels of these proteins were generally undetectable in asymptomatic healthy children. Conclusions: NGAL, CCL3, and IL-8 may be useful in the early diagnosis of UTI. Trial registration: ClinicalTrials.gov (NCT01391793) [ABSTRACT FROM AUTHOR]
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Biomarkers for febrile urinary tract infection in children.
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Autor/in / Beteiligte Person: | Shaikh, Nader ; Liu, Hui ; Kurs-Lasky, Marcia ; Forster, Catherine S |
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Zeitschrift: | Pediatric Nephrology, Jg. 37 (2022), Heft 1, S. 171-177 |
Veröffentlichung: | 2022 |
Medientyp: | academicJournal |
ISSN: | 0931-041X (print) |
DOI: | 10.1007/s00467-021-05173-x |
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