Asthma and insulin resistance in obese children and adolescents

José Sánchez Jiménez, F. Javier Herrero Espinet, José M. Mengibar Garrido, Josep Roca Antonio, Sara Peños Mayor, María del Mar Peñas Boira, Amadeu Roca Comas, Anna Ballester Martínez

    Research output: Contribution to journalArticleResearchpeer-review

    15 Citations (Scopus)

    Abstract

    © 2014 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd. Background: Obese children and adolescents have an increased risk for asthma. A few studies have evaluated the association of insulin resistance and asthma in obese pediatric populations. We examined whether there was a relationship between high degrees of insulin resistance and the presence of asthma in obese children and adolescents. Methods: A total of 153 patients aged 4-15 years with at or above the 95th percentile BMI for age were prospectively recruited. Assessments included diagnosis of asthma, skin prick test reactivity to common environmental aeroallergens, and HOMA estimated insulin resistance, with the median (2.22) used as a cutoff value to categorize insulin resistance. Results: There were 56 (36.6%) asthmatic and 97 (63.4%) non-asthmatic patients. HOMA values were significantly associated with positive skin tests (p = 0.008) and allergic asthma diagnosis (p = 0.016). Baseline insulin value was significantly associated with the risk of presenting asthma with positive skin testing (odds ratio 1.084, p = 0.037). Differences in age, BMI, and waist circumference were found between the groups of HOMA-IR <2.22 and ≥2.22. Waist circumference (WC) was significantly associated with FVC (p = 0.0001) and FEV1 (p < 0.0003); the greater the WC, the lower FVC and FEV1 values. Conclusions: Insulin resistance is a risk for allergic asthma in obese children and adolescents. Waist circumference was related to CVF and FEV1 impairment.
    Original languageEnglish
    Pages (from-to)699-705
    JournalPediatric Allergy and Immunology
    Volume25
    Issue number7
    DOIs
    Publication statusPublished - 1 Jan 2014

    Keywords

    • Adolescents
    • Asthma
    • Body mass index
    • Children
    • Insulin
    • Insulin resistance
    • Obesity

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