Aim: The aim of the study was to assess the prevalence of asthma and related respiratory symptoms in a sample of the Siena pediatric population that engages in sport. Methods. The subjects were 460 young athletes, age 7-14 years, enrolled in 23 sporting clubs in 10 municipalities of Siena Province. Subjects and their parents answered a questionnaire on life style and the children underwent basal spirometric tests at their respective training centers. Results: A total of 352 questionnaires (76.6%) were returned; 80% of responders performed the spirometric test. The lifetime prevalences of asthma, allergic rhinitis and atopic dermatitis were found to be 17.33%, 22.16% and 11.08%, respectively. About 33.2% of subjects had also experienced symptoms compatible with exercise-induced bronchospasm (EIB) during sport and 4.2% of them had had to stop activity at least once. Conclusion: The results suggest that EIB is a major phenomenon in our province and that this disorder interferes with, or even limits, physical activity of young athletes.
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