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MINERVA PNEUMOLOGICA

A Journal on Diseases of the Respiratory System


Official Journal of the Italian Society of Thoracic Endoscopy
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Minerva Pneumologica 2000 September-December;39(3-4):105-10

language: Italian

PEF measurement as a method to detect exercise-induced bronchospasm in young athletes

Mancini A., Isak A., Pezzulo E., Buonanno S., Signoriello G., Caputi M.


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Background. Exercise-induced bronchospasm a short lived airways obstruction occuring immediately or 30 min after moderate exercise, can affect up to 90% of asthmatics and 35% of subjects without clinical evidence of asthma (including selected categories such as athletes). Asthma morbidity and mortality have increased over the past several years, especially among the lower classes of society. PEF measurement is a test for screening.
Methods. We studied 60 young male football players who underwent a 1 mile free running (outdoor run), preceeded by an acquaintance session. Six athletes (10%) were identified as having allergic asthma, without therapeutic intervention, other 8 were identified as having allergic familiarity. The study was conducted during 12 different testing sessions and 5 athletes partecipated at each of these sessions. Heart rate and PEF were measured straight after run and PEF also before and at 5, 10 and 30 min. The day after the run test, the athletes underwent a stimulation test with metacholine. Exercise-induced bronchospasm was defined as a decrease of 15% in PEF at any time point after exercise.
Results. A statistically significant difference was found between PEF measured before and PEF measured after exercise. Additionally, a significant relationship was observed between exercise-induced bronchospasm and other factors such as allergic familiarity, heart rate, a clinical history of asthma and bronchial reactivity.
Conclusions. On the basis of the results obtained, the conclusions is drawn that this test has many positive aspects and is easy to use.

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