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Incidence of Exercise-induced Asthma in High School Population in British Columbia

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The Free Running Asthma Screening Test (FRAST) was performed on 830 randomly selected volunteers (age 14–17) chosen from British Columbia school students. An educational workshop on asthma was presented before testing. A self-reported questionnaire was distributed to evaluate predisposing factors. Air quality parameters were obtained on days of testing. FRAST was used to challenge exercise induced asthma (EIA). Peak expiratory flow rate (PEFR) was used to obtain baseline and post exercise spirometry. A 15% decrease in PEFR was considered a positive challenge result. Of 830 subjects tested, 110 (13.2%) responded positively to exercise challenge. Of the population tested, 21.8% self-reported a history of allergic disease, 76.4% of whom were from the positive responders' group. From the positive group only 72 (65.4%) were previously diagnosed as asthmatic. History of allergic disease was the strongest predisposing factor. The results indicate that inexpensive screening may improve early diagnosis and thus better preventive management.
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Document Type: Research Article

Publication date: 01 March 1997

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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