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Decrease of exercise-induced asthma after physical training.

M Arborelius, E Svenonius

    European Journal of Respiratory Diseases. Supplement
    |January 1, 1984
    PubMed
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    Exercise-induced asthma (EIA) can be managed by improving the anaerobic threshold. High-intensity interval training, combined with medication, significantly reduced EIA symptoms in children by increasing their exercise capacity.

    Area of Science:

    • Respiratory Medicine
    • Sports Medicine
    • Pediatric Pulmonology

    Background:

    • Exercise-induced asthma (EIA) is a condition triggered by airway cooling and drying during physical activity.
    • The underlying mechanisms involve mediator release or vagal stimulation affecting bronchial muscles.
    • Current preventive measures include beta-2-aerosol, disodium cromoglycate (DSCG), or atropine, with varying efficacy.

    Purpose of the Study:

    • To investigate the impact of high-load interval exercise training on the anaerobic threshold in children with EIA.
    • To evaluate the effectiveness of combining exercise training with premedication in preventing EIA symptoms.

    Main Methods:

    • Children with EIA were premedicated and underwent high-load interval exercise training.
    • A control group did not participate in the exercise training program.

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  • The anaerobic threshold and EIA incidence were monitored in all participants.

    • Main Results:

    • Exercise training significantly increased the anaerobic threshold in the intervention groups.
    • A notable decrease in exercise-induced asthma symptoms was observed in trained children.
    • The non-training control group showed no significant changes in anaerobic threshold or EIA occurrence.

    Conclusions:

    • High-load interval exercise training, when combined with premedication, can effectively increase the anaerobic threshold in children with EIA.
    • This approach offers a promising strategy for reducing the frequency and severity of exercise-induced asthma.
    • The findings suggest that improving exercise capacity is key to managing EIA in pediatric populations.