Allergy Asthma Respir Dis.  2018 Nov;6(6):284-289. 10.4168/aard.2018.6.6.284.

Relationship between serum vitamin D levels and clinical features of acute bronchiolitis

• Jung YK
• Woo BW
• Lee DW

• KMID: 2427486
• DOI: http://doi.org/10.4168/aard.2018.6.6.284

Abstract

PURPOSE
Vitamin D plays an important role in calcium homeostasis and bone metabolism. It is associated with various diseases such as cardiovascular, immune, allergic and infectious disease. The aim of this study was to investigate the difference in clinical manifestations according to the concentration of vitamin D in mild bronchiolitis.
METHODS
We performed a retrospective review of medical records of patients with mild bronchiolitis from November 2016 to April 2017 in Daegu Fatima Hospital. Mild bronchiolitis was classified by the modified Tal's score method. Patients were divided into 2 groups according to a 25-hydroxyvitamin D level of 20 ng/mL. We analyzed the clinical characteristics and laboratory data from the 2 groups.
RESULTS
Of the 64 patients, 19 were included in the deficiency group and 45 in the normal group. Vitamin D levels were 11.7±4.9 ng/mL in the deficiency group and 28.8±5.0 ng/mL in the normal group. There were no differences in clinical features between both groups. However, the vitamin D deficiency group had significantly longer hospitalization than the normal group (6.78±2.74 days vs. 5.3±1.7 days, P=0.045). In the deficiency group, the incidence of previous respiratory diseases was significantly higher (P=0.001). No significant difference in blood and respiratory virus tests was observed.
CONCLUSION
Low vitamin D levels in mild bronchiolitis were associated with longer hospitalization and prior respiratory disease. Vitamin D may affect the course of mild bronchiolitis.

Keyword

Vitamin D; Mild bronchiolitis

MeSH Terms

Bronchiolitis*
Calcium
Communicable Diseases
Daegu
Homeostasis
Hospitalization
Humans
Incidence
Medical Records
Metabolism
Methods
Retrospective Studies
Vitamin D Deficiency
Vitamin D*
Vitamins*
Calcium
Vitamin D
Vitamins

Figure

• 

  Fig. 1 Comparisons of hospitalization time between vitamin D≥20 and vitamin D<20 groups.

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