Asthma Exacerbations and Triggers in Children in TENOR: Impact on Quality of Life

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Abstract

Background Data examining associations between asthma exacerbations, triggers, and asthma-related quality of life (QOL) in children with severe/difficult-to-treat asthma are unavailable. Objective To evaluate real-world data on relationships between asthma exacerbations, triggers, and QOL in children using data from TENOR (The Epidemiology and Natural History of Asthma Outcomes and Treatment Regimens), a 3-year observational study of patients with severe/difficult-to-treat asthma, including those aged 6 to 12 years. Methods QOL was examined using the Pediatric Asthma Quality of Life Questionnaire (PAQLQ) and defined exacerbations hierarchically (descending order of severity): hospitalization, emergency department visit, steroid burst, no exacerbation, using the highest value from months 6 and 12. One-way ANOVA was used to test for differences in PAQLQ domain scores at month 12 across exacerbation severity, total number of asthma exacerbations, and number of baseline asthma triggers. Mantel-Haenszel chi-square test was used to test the association between the number of triggers and exacerbation hierarchy. Results Greater severity of asthma exacerbations was associated with significantly (P <.001) lower mean PAQLQ domain scores, indicating poorer QOL. A higher number of asthma exacerbations was associated with significantly (P <.001) lower mean PAQLQ domain scores. PAQLQ scores were significantly lower with higher numbers of baseline triggers. Higher baseline number of asthma triggers was associated with greater severity (P =.05) and number of asthma exacerbations (P <.001). Conclusions A higher number of asthma triggers at baseline was associated with greater asthma severity and number of asthma exacerbations and lower QOL in children with severe/difficult-to-treat asthma.

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Chipps, B. E., Haselkorn, T., Rosén, K., Mink, D. R., Trzaskoma, B. L., & Luskin, A. T. (2018). Asthma Exacerbations and Triggers in Children in TENOR: Impact on Quality of Life. Journal of Allergy and Clinical Immunology: In Practice, 6(1), 169-176.e2. https://doi.org/10.1016/j.jaip.2017.05.027

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