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Da Silva Barbosa J, Cavalcante Meneses G, Rebouças Castelo L, Bezerra Da Silva Junior G, Maria Costa Martins A, De Francesco Daher E, Lima Sampaio T, Coelho Lopes N, de Oliveira Gomes A, Beatriz Timbó de Oliveira A, Daniel Alves Albuquerque F, Pinheiro Gonçalves Lemes R. MO1027: Kidney Tubular Damage Associated with Early Sepsis and Longer Hospital Stay in Newborns with Neonatal Infection. Nephrol Dial Transplant 2022. [DOI: 10.1093/ndt/gfac089.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
BACKGROUND AND AIMS
The aim of the study was to evaluate the early association of urinary cystatin-C (uCysC) (proximal tubular injury biomarkers) with sepsis and longer hospital stay in premature newborns (NBs) with neonatal infection.
METHOD
This is a prospective study with NBs from Neonatal Intensive Care Unit (nUTI), between August 2019 and September 2020. Three groups were constructed: healthy NBs, NBs with neonatal infection without sepsis and NBs with sepsis. Premature newborns with kidney disease, renal malformation, insufficient data in the medical record, or samples with scarce volume were excluded. Urine samples were collected for biomarkers measurements. Urinary cystatin-C was quantified in the urine and expressed with or without ratio by urinary creatinine to investigate the urinary concentration bias.
RESULTS
In total, 62 NBs were included: 27 healthy, 24 with neonatal infection without sepsis and 11 with sepsis. No acute kidney injury (AKI) was found in NBs and 22 (63%) had longer hospital stay (˃ 30 days). Higher levels of urinary cystatin-C, both adjusted for urinary creatinine, were elevated in NBs's sepsis group. Moreover, in NBs with a longer hospital stay, there was an elevated level of urinary cystatin-C, which was capable to predict the need for ˃ 30 days of hospital stay (AUC-ROC = 0.783, P = .01).
CONCLUSION
Our study demonstrated that kidney tubular damage biomarker, such as uCysC, was associated with early sepsis in premature NBs and was useful to prognosis evaluation.
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Affiliation(s)
| | | | | | | | | | | | - Tiago Lima Sampaio
- Federal University of Ceará, Department of Clinical and Toxicological Analysis, Fortaleza, Brazil
| | - Nicole Coelho Lopes
- Federal University of Ceara, Postgraduate Program in Medical Sciences, Fortaleza, Brazil
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