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Upper airway and skin symptoms in allergic and non-allergic asthma: results from the Swedish GA(2)LEN study.
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2017 (English)In: Journal of Asthma, ISSN 0277-0903, E-ISSN 1532-4303, 0Article in journal (Refereed) Epub ahead of print
Abstract [en]

BACKGROUND: Allergic and non-allergic asthma are viewed as separate entities, despite sharing similarities. The aims of this study were to determine differences in symptoms from the upper airways and the skin in allergic and non-allergic asthma. The secondary aims were to identify childhood risk factors and to compare quality of life in the two asthma groups.

METHODS: This cohort (age 17-76 years) consisted of 575 subjects with allergic or non-allergic asthma and 219 controls. The participants participated in an interview, spirometry, exhaled nitric oxide (NO), skin prick test and responded to the Mini Asthma Quality of Life Questionnaire.

RESULTS: Self-reported allergic rhinitis was significantly more common in both allergic and non-allergic asthma (82.3% and 40.7%) compared with the controls. The prevalence of chronic rhinosinusitis (CRS) was similar in both asthma groups. Eczema was significantly more common in both asthmatic groups (72.3% and 59.8%) than controls (47.0%) (p < 0.001 and p = 0.012). Severe respiratory infection in childhood and parental allergy were risk factors for both allergic and non-allergic asthma. Quality of life was significantly lower in non-allergic than allergic asthma (p = 0.01).

CONCLUSION: Concomitant symptoms from the upper airways and the skin were significantly more common in both allergic and non-allergic asthma. This indicates that non-allergic asthma has a systemic component with similarities to what is found in allergic asthma. There were similarities in the childhood risk factor pattern between the two types of asthma but asthma-related quality of life was lower in the non-allergic asthma group.

Place, publisher, year, edition, pages
2017. 0
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Environmental Health and Occupational Health
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URN: urn:nbn:se:umu:diva-134410DOI: 10.1080/02770903.2017.1326132PubMedID: 28463525OAI: oai:DiVA.org:umu-134410DiVA: diva2:1093213
Available from: 2017-05-05 Created: 2017-05-05 Last updated: 2017-05-05

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf