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Published in: BMC Pediatrics 1/2021

Open Access 01-12-2021 | Respiratory Syncytial Virus Infection | Research article

Vitamin D deficiency in children with acute bronchiolitis: a prospective cross-sectional case- control study

Authors: Inbal Golan-Tripto, Neta Loewenthal, Asher Tal, Yotam Dizitzer, Yael Baumfeld, Aviv Goldbart

Published in: BMC Pediatrics | Issue 1/2021

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Abstract

Background

25(OH) vitamin D levels are inversely associated with respiratory infections and childhood wheezing.

Objective

To evaluate serum 25(OH) vitamin D levels in infants and toddlers with acute bronchiolitis, compared to subjects with non-respiratory febrile illness.

Methods

A prospective cross-sectional case-control study which compared serum 25(OH) vitamin D levels between infants and toddlers diagnosed with acute bronchiolitis to subjects with non-respiratory febrile illness. Multivariate logistic regression, adjusted for age, sex, ethnicity and nutrition was performed. Correlation between serum vitamin D levels and bronchiolitis severity was assessed via Modified Tal Score and length of hospital stay (LOS).

Results

One hundred twenty-seven patients aged < 24 months were recruited; 80 diagnosed with acute bronchiolitis and 47 patients with non- respiratory febrile illnesses. Both groups had similar demographics aside from age (median [IQR] 5 [3–9] vs. 9 [5–16] months in the bronchiolitis group compared to control group (p = 0.002)). Serum 25(OH) vitamin D levels were significantly lower in the bronchiolitis group; median [IQR] 28[18–52] vs. 50[25–79] nmol/L, respectively, (p = 0.005). Deficient vitamin D levels (< 50 nmol/L) was found more frequently in the bronchiolitis group than controls; 73% vs. 51% (p = 0.028). Multivariate logistic regression showed vitamin D deficiency was more probable in bronchiolitis patients; OR [95% CI] 3.139[1.369–7.195]. No correlation was found between serum vitamin D levels and bronchiolitis severity, which was assessed via Modified Tal Score and by length of hospital stay.

Conclusion

Children with acute bronchiolitis displayed significantly lower vitamin D levels than children with non-respiratory acute febrile illnesses.
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Metadata
Title
Vitamin D deficiency in children with acute bronchiolitis: a prospective cross-sectional case- control study
Authors
Inbal Golan-Tripto
Neta Loewenthal
Asher Tal
Yotam Dizitzer
Yael Baumfeld
Aviv Goldbart
Publication date
01-12-2021
Publisher
BioMed Central
Published in
BMC Pediatrics / Issue 1/2021
Electronic ISSN: 1471-2431
DOI
https://doi.org/10.1186/s12887-021-02666-4

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