Cold air exercise screening for exercise induced bronchoconstriction in cold weather athletes

被引：18

作者：

Kennedy, Michael D. ^{[1
]}

Steele, Andrew R. ^{[2
]}

Parent, Eric C. ^{[3
]}

Steinback, Craig D. ^{[2
]}

机构：

[1] Univ Alberta, Fac Kinesiol Sport & Recreat, Athlete Hlth Lab, Edmonton, AB, Canada

[2] Univ Alberta, Fac Kinesiol Sport & Recreat, Neurovasc Hlth Lab, Edmonton, AB, Canada

[3] Univ Alberta, Dept Phys Therapy, Clin Spinal Res Lab, Edmonton, AB, Canada

来源：

RESPIRATORY PHYSIOLOGY & NEUROBIOLOGY | 2019年 / 269卷

关键词：

Exercise induced asthma; Cough; Respiratory hypersensitivity; Bronchial provocation tests; Spirometry; EUCAPNIC VOLUNTARY HYPERPNEA; NITRIC-OXIDE; INDUCED BRONCHOSPASM; BRONCHIAL HYPERRESPONSIVENESS; ASTHMA; INFLAMMATION; CHALLENGES; DIAGNOSIS; ALLERGY; INJURY;

D O I：

10.1016/j.resp.2019.103262

中图分类号：

Q4 [生理学];

学科分类号：

071003 ;

摘要：

Exercise Induced Bronchoconstriction (EIB) prevalence in cold weather athletes is high. Currently, no standardized cold air exercise provocation test exists. Thus we aimed to determine EIB prevalence using a Cold Air Test (CAT; 5 km outdoor running; -15 degrees C) compared to the most common EIB screen the Eucapnic Voluntary Hyperpnea (EVH) test in cold weather athletes. Sixteen (9 male; 20-35 years old) cold weather athletes completed EVH 72 h before CAT. Spirometry, Fractional Expired Nitric Oxide (FENO), respiratory symptoms were measured and atopy status was determined. Five and 7 participants were EIB + on the EVH and CAT, respectively. Level of agreement was 50% between tests. FEV1 recovery was significantly prolonged and Peak Expiratory Flow was decreased after CAT compared to EVH. Predictive characteristics of EIB + included FENO >12 ppb, FEV1/FVC ratio (<0.75) and BMI < 20. EVH does not always reflect EIB triggered by cold weather exercise. More research is required to understand the best EIB screens for cold weather athletes.

引用

页数：8

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