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Open AccessArticle

Winter Exercise Reduces Allergic Airway Inflammation: A Randomized Controlled Study

1
Institute of Ecomedicine, Paracelsus Medical University Salzburg, 5020 Salzburg, Austria
2
Department of Physiotherapy, Salzburg University of Applied Sciences, 5412 Puch/Urstein, Austria
*
Author to whom correspondence should be addressed.
Equally contributed authorship.
Int. J. Environ. Res. Public Health 2019, 16(11), 2040; https://doi.org/10.3390/ijerph16112040
Received: 16 May 2019 / Revised: 5 June 2019 / Accepted: 6 June 2019 / Published: 8 June 2019
(This article belongs to the Special Issue Physical Activity and Health)
Background: Physical exercise is often recommended as additional treatment for people suffering from allergic rhinitis and/or asthma, but less is known about the specific effects of recreational winter outdoor exercise on allergic airway inflammation. Methods: We performed a longitudinal, randomized controlled intervention study to investigate the effects of recreational winter exercise on allergic airway inflammation, quality of life, spirometry and cardiorespiratory fitness in adults suffering from allergic rhinitis and/or asthma. The exercise group participated in a ten-day winter sports program. The control group did not receive any intervention. Results: A significant improvement of fractional oral exhaled nitric oxide (FeNO; p = 0.008, day 10) and a significant decrease in FeNO after a single 4 h hiking tour (p < 0.001, time effect) were observed for the exercise group. The nasal eosinophilic cell count revealed a short-term reduction (p = 0.021, treatment effect) in the exercise group and for the visual analogue scale sustainable improvements in allergic symptoms (p < 0.001, day 60) were found. No adverse effects of outdoor winter exercise were observed. Conclusion: Recreational winter exercise at moderately cold temperatures reduces allergic airway inflammation measured as FeNO, nasal eosinophilic cell count and induces sustainable improvements in allergic symptoms. View Full-Text
Keywords: allergy; allergic rhinitis; asthma; exercise; exhaled nitric oxide allergy; allergic rhinitis; asthma; exercise; exhaled nitric oxide
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Prossegger, J.; Huber, D.; Grafetstätter, C.; Pichler, C.; Braunschmid, H.; Weisböck-Erdheim, R.; Hartl, A. Winter Exercise Reduces Allergic Airway Inflammation: A Randomized Controlled Study. Int. J. Environ. Res. Public Health 2019, 16, 2040.

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