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Perceived Food Hypersensitivity Relates to Poor Asthma Control and Quality of Life in Young Non-Atopic Asthmatics
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics. (Pediatrisk inflammationsforskning/Alving)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics. (Pediatrisk inflammationsforskning/Alving)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health, Pediatrics. (Pediatrisk inflammationsforskning/Alving)
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2015 (English)In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 10, no 4, e0124675Article in journal (Refereed) Published
Abstract [en]

Background The relationship between perceived food hypersensitivity in asthmatics, food allergen sensitization, asthma control and asthma-related quality of life has not been studied. Objective Our aim was to study the prevalence of perceived food hypersensitivity in a cohort of young asthmatics, its relation to food allergen sensitization, and any correlation to asthma control and asthma-related quality of life. Methods Perceived food hypersensitivity, as well as IgE sensitization to common food allergens, levels of exhaled nitric oxide (FeNO), and blood eosinophil counts (B-Eos) were assessed in 408 subjects (211 women) with asthma, aged (mean +/- SEM) 20.4 +/- 0.3 years. Subjects filled out the Asthma Control Test (ACT) and the Mini Asthma Quality of Life Questionnaire (Mini-AQLQ). Inflammation was assessed by means of FeNO and B-Eos. Results Fifty-three per cent of subjects reported food hypersensitivity. A corresponding food allergen sensitization was found in 68% of these subjects. Non-atopic subjects with perceived food hypersensitivity (n = 31) had lower ACT (19 (15 - 22) vs. 21 (20 - 23), p < 0.001) and Mini-AQLQ - scores (5.3 (4.3 - 6.1) vs. 6.1 (5.5 - 6.5), p < 0.001) than subjects with no food hypersensitivity (n = 190), despite lower levels of FeNO and B-Eos (p < 0.05). Conclusions and Clinical Relevance Food hypersensitivity was commonly reported among young asthmatics. In a majority of cases, a corresponding food allergen sensitization was found. A novel and clinically important finding was that non-atopic subjects with perceived food hypersensitivity were characterized by poorer asthma control and asthma-related quality of life.

Place, publisher, year, edition, pages
2015. Vol. 10, no 4, e0124675
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Respiratory Medicine and Allergy
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URN: urn:nbn:se:uu:diva-255287DOI: 10.1371/journal.pone.0124675ISI: 000353711600098PubMedID: 25923451OAI: oai:DiVA.org:uu-255287DiVA: diva2:824570
Note

De två sista författarna delar sista författarskapet.

Available from: 2015-06-22 Created: 2015-06-15 Last updated: 2017-12-04Bibliographically approved

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Johnson, JenniferBorres, Magnus P.Nordvall, LennartJanson, ChristerAlving, KjellMalinovschi, Andrei

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