NT-proBNP plasma levels as early predictor of ventilatory support in bronchiolitis: A prospective analysis - 06/12/25
, Thabet Farah a, b, Daya Abir a, b, Benabdallah Imen c, b, Mkaouer Wejdenne a, b, Chouchane Chokri a, b, Neffati Fadoua c, b, Chouchane Slaheddine a, bHighlights |
• | NT-proBNP levels predict the need for ventilatory support in infant bronchiolitis. |
• | A threshold of 1585 pg/mL yields high sensitivity and specificity. |
• | NT-proBNP outperforms the Wang score in predicting severe bronchiolitis. |
• | Early NT-proBNP testing may guide risk stratification and care escalation. |
Abstract |
Objective |
To evaluate the role of serum NT-proBNP (N-Terminal Pro Brain Natriuretic Peptide) levels as an early predictor of ventilatory support in infants hospitalized with bronchiolitis.
Design |
A single-center, prospective, observational study.
Setting |
Pediatric department of a tertiary university-affiliated hospital in Tunisia.
Patients |
Eighty infants under one year of age, admitted with bronchiolitis between December 2023 and February 2024, were included. Infants with comorbidities such as congenital heart disease or immunosuppression were excluded.
Interventions |
NT-proBNP levels were measured within 2 h of admission. Patients were managed following standard protocols, and the need for ventilatory support was documented.
Main outcome measures |
The association of elevated NT-proBNP levels (>1585 pg/mL) with the requirement for ventilatory support, as well as the predictive accuracy of NT-proBNP compared to the Wang score.
Results |
Of the 80 infants, 33.8 % had elevated NT-proBNP levels, and 18.8 % required ventilatory support. Median NT-proBNP levels were significantly higher in the ventilatory support group (2185 pg/mL) compared to those managed with room air or simple oxygen therapy (634 pg/mL). NT-proBNP demonstrated superior predictive accuracy (AUC 0.869) compared to the Wang score (AUC 0.701). A threshold of 1585 pg/mL yielded 73.3 % sensitivity and 87.7 % specificity. NT-proBNP elevation was independently associated with the need for ventilatory support (OR 17.1; 95 % CI 4.46–65.6).
Conclusions |
NT-proBNP levels provide valuable prognostic insights into bronchiolitis severity and outperform clinical severity scores like the Wang score in predicting ventilatory support needs. Integration of NT-proBNP measurement into clinical practice may enhance risk stratification and improve management of high-risk infants.
Le texte complet de cet article est disponible en PDF.Keywords : Bronchiolitis, Biochemistry, NT-proBNP, PICU, Cardiac biomarkers
Plan
| ☆ | Competing of interest : The authors declare that no funds, grants, or other support were received during the preparation of this manuscript. |
| ☆☆ | The authors have no relevant financial or non-financial interests to disclose. |
| ☆☆☆ | The authors declare that they have no competing interests. |
Vol 32 - N° 8
P. 580-584 - novembre 2025 Retour au numéro
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