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Rodríguez-González M, Castellano-Martínez A, Estalella-Mendoza A, Rodríguez-Campoy P, Estepa-Pedregosa L, Calero-Ruiz MM, Sáez-Benito Godino A, Flores-González JC. Correlation between urinary and serum NT-proBNP in acute bronchiolitis: A pilot study. Pediatr Pulmonol 2023; 58:492-499. [PMID: 36314349 DOI: 10.1002/ppul.26215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 09/25/2022] [Accepted: 10/22/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND AIMS We aimed to analyze the correlation of urinary with serum N-terminal pro-brain natriuretic peptide (NT-proBNP) concentrations and its association with severity in acute bronchiolitis. MATERIAL AND METHODS A pilot observational study was conducted between October 1, 2021 and March 31, 2022 including acute bronchiolitis cases who attended our institution. Serum and urinary NT-proBNP concentrations were determined using the Alere i NT-proBNP assay in time-matched urine and blood samples. The Mann-Whitney U test, Spearman's correlations, and simple linear regression were utilized to analyze the association of urine NT-proBNP levels with serum NT-proBNP and with variables indicative of severe bronchiolitis. RESULTS Seventeen infants (median age 68 [IQR: 36-91] days) with 36 time-matched samples were included. The urine NT-proBNP was positively and strongly correlated with the serum NT-proBNP concentrations (Spearman's ρ = 0.81 & R2 coefficient = 0.751; p < 0.001), and increased with higher C-reactive protein, (p = 0.004), procalcitonin (p = 0.001), and pCO2 (p = 0.029) levels. The initial urinary NT-proBNP concentrations were higher in those infants that required ventilatory support compared with those without this outcome (1.85 [IQR: 1.16-2.44] vs. 0.63 [IQR: 0.45-0.84] pg/mg); p < 0.001); and resulted positively and strongly correlated with the duration of the ventilatory support (Spearman's ρ = 0.76; p < 0.001) and the length of stay hospitalization (Spearman's ρ = 0.84; p < 0.001). CONCLUSION The urinary NT-proBNP concentrations could be a reliable surrogate for serum NT-proBNP levels and resulted elevated in cases of acute bronchiolitis with complicated evolution, suggesting a potential as a noninvasive tool to assess severity in this setting.
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Affiliation(s)
- Moises Rodríguez-González
- Pediatric Cardiology Division, Puerta del Mar University Hospital, Cádiz, Spain
- Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Puerta del Mar University Hospital, University of Cádiz, Cádiz, Spain
| | - Ana Castellano-Martínez
- Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Puerta del Mar University Hospital, University of Cádiz, Cádiz, Spain
- Pediatric Nephrology Division, Puerta del Mar University Hospital, Cádiz, Spain
| | - Ana Estalella-Mendoza
- Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Puerta del Mar University Hospital, University of Cádiz, Cádiz, Spain
- Pediatric Intensive Care Unit, Puerta del Mar University Hospital, Cádiz, Spain
| | - Patricia Rodríguez-Campoy
- Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Puerta del Mar University Hospital, University of Cádiz, Cádiz, Spain
- Pediatric Intensive Care Unit, Puerta del Mar University Hospital, Cádiz, Spain
| | - Lorena Estepa-Pedregosa
- Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Puerta del Mar University Hospital, University of Cádiz, Cádiz, Spain
- Pediatric Intensive Care Unit, Puerta del Mar University Hospital, Cádiz, Spain
| | - María Mercedes Calero-Ruiz
- Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Puerta del Mar University Hospital, University of Cádiz, Cádiz, Spain
- Clinical Laboratory Department, Puerta del Mar University Hospital, Cádiz, Spain
| | - Ana Sáez-Benito Godino
- Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Puerta del Mar University Hospital, University of Cádiz, Cádiz, Spain
- Clinical Laboratory Department, Puerta del Mar University Hospital, Cádiz, Spain
| | - Jose Carlos Flores-González
- Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Puerta del Mar University Hospital, University of Cádiz, Cádiz, Spain
- Pediatric Intensive Care Unit, Puerta del Mar University Hospital, Cádiz, Spain
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