Association Between Hypovitaminosis D and Frequency of Pulmonary Exacerbations in Children and Adolescents with Cystic Fibrosis

Overview

Journal Einstein (Sao Paulo)

Specialty General Medicine

Date 2018 Apr 26

PMID 29694616

Citations 5

Authors

Renata Ongaratto

Katiana Murieli da Rosa

Juliana Cristina Eloi

Matias Epifanio

Paulo Marostica

Leonardo Araujo Pinto

Affiliations

Soon will be listed here.

Abstract

Objective We evaluated the association between vitamin D levels and nutritional status, pulmonary function and pulmonary exacerbations in children and adolescents with cystic fibrosis. Methods 25-hydroxyvitamin D (25(OH)D) levels of 37 children and adolescents were retrospectively evaluated. Pulmonary function, body mass index, height for age, and pulmonary exacerbations episodes were associated with vitamin D levels divided into two groups: sufficient (≥30ng/mL) and hypovitaminosis (<30ng/mL). Results Hypovitaminosis D (25(OH)D <30ng/mL) was observed in 54% of subjects. The mean level of 25(OH)D was 30.53±12.14ng/mL. Pulmonary function and nutritional status were not associated with vitamin D levels. Pulmonary exacerbations over a 2-year period (p=0.007) and the period from measurement up to the end of the follow-up period (p=0.002) were significantly associated with vitamin D levels. Conclusion Hypovitaminosis D was associated with higher rates of pulmonary exacerbations in this sample of children and adolescents with cystic fibrosis. Hypovitaminosis D should be further studied as a marker of disease severity in cystic fibrosis. Further prospective and randomized studies are necessary to investigate causality of this association.

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