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n International SportMed Journal - Exercise-induced bronchoconstriction : asthma in athletes : FIMS position statement 2011
Exercise-induced bronchoconstriction (EIB) describes a condition of hyperpnea-triggered airway narrowing that occurs in susceptible individuals during or after physical exercise. The pathogenesis of EIB is multifactorial and not completely understood, but it seems that inflammation of the airways plays a major role. EIB is present in a large number of otherwise healthy athletes. Studies suggest that the prevalence in the athletic population ranges between 10 and 50%.
Key symptoms of EIB include dyspnea, cough, wheezing and chest tightness.
Pulmonary function tests with pharmacological (e.g. metacholine, carbachol, mannitol) or non-pharmacological (e.g. eucapnic voluntary hyperpnea) challenges are the principal diagnostic tools for the diagnosis of EIB.
The therapy for EIB involves preventive / non-pharmacological (e.g. warm up exercise, avoidance of triggers) and pharmacological (e.g. inhaled corticosteroids and β2 mimetics) approaches. For the latter, the current anti-doping guidelines must be respected.
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