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May T1 diabetes mellitus protect from asthma?
Maria Angela Tosca1, Michela Silòvestri, Giuseppe D'Annunzio
1Pediatric Pulmonology and Allergy Unit, Istituto Giannina Gaslini, Genoa, Italy.
Allergologia Et Immunopathologia
|December 26, 2012
Summary
Type 1 diabetes mellitus (T1DM) may protect children with allergic rhinitis (AR) from developing asthma. This study found that T1DM and AR in children showed a potential protective effect against asthma development.
Area of Science:
- Pediatric Allergy and Immunology
- Endocrinology
- Pulmonary Medicine
Background:
- Type 1 diabetes mellitus (T1DM) is often associated with allergies.
- Previous studies noted high allergic rhinitis (AR) rates in children with T1DM, but low asthma incidence.
- This suggests a potential protective role of T1DM against asthma development.
Purpose of the Study:
- To assess pulmonary function and bronchodilator response in children with T1DM and AR.
- To compare these measures with a control group of children with AR alone.
Main Methods:
- Spirometry and bronchodilation testing were conducted on 20 children with T1DM and AR.
- A control group of 59 children with AR alone underwent the same tests.
Main Results:
- No significant differences in baseline or post-bronchodilator FVC, FEV1, or FEF25-75 were observed between groups.
- However, the change in post-bronchodilator FEF25-75 (ΔFEF25-75) was significantly greater in children with AR alone compared to those with T1DM and AR (p=0.04).
Conclusions:
- This preliminary research supports the hypothesis that T1DM may protect children with AR from progressing to asthma.
- The findings suggest a potential asthma-protective effect of T1DM in pediatric patients with allergic rhinitis.
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