Document Detail

Exercise-induced bronchoconstriction in elite long-distance runners in Brazil.
MedLine Citation:
PMID:  22782598     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To determine the prevalence of exercise-induced bronchoconstriction among elite long-distance runners in Brazil and whether there is a difference in the training loads among athletes with and without exercise-induced bronchoconstriction.
METHODS: This was a cross-sectional study involving elite long-distance runners with neither current asthma symptoms nor a diagnosis of exercise-induced bronchoconstriction. All of the participants underwent eucapnic voluntary hyperpnea challenge and maximal cardiopulmonary exercise tests, as well as completing questionnaires regarding asthma symptoms and physical activity, in order to monitor their weekly training load.
RESULTS: Among the 86 male athletes recruited, participation in the study was agreed to by 20, of whom 5 (25%) were subsequently diagnosed with exercise-induced bronchoconstriction. There were no differences between the athletes with and without exercise-induced bronchoconstriction regarding anthropometric characteristics, peak oxygen consumption, baseline pulmonary function values, or reported asthma symptoms. The weekly training load was significantly lower among those with exercise-induced bronchoconstriction than among those without.
CONCLUSIONS: In this sample of long-distance runners in Brazil, the prevalence of exercise-induced bronchoconstriction was high.
Renata Nakata Teixeira; Luzimar Raimundo Teixeira; Luiz Augusto Riani Costa; Milton Arruda Martins; Timothy Derick Mickleborough; Celso Ricardo Fernandes Carvalho
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Jornal brasileiro de pneumologia : publicaça̋o oficial da Sociedade Brasileira de Pneumologia e Tisilogia     Volume:  38     ISSN:  1806-3756     ISO Abbreviation:  J Bras Pneumol     Publication Date:    2012 May-Jun
Date Detail:
Created Date:  2012-07-11     Completed Date:  2012-11-20     Revised Date:  2013-09-26    
Medline Journal Info:
Nlm Unique ID:  101222274     Medline TA:  J Bras Pneumol     Country:  Brazil    
Other Details:
Languages:  eng; por     Pagination:  292-8     Citation Subset:  IM    
Escola de Educação Física e Esporte, Universidade de São Paulo, São Paulo, SP, Brazil.
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MeSH Terms
Asthma, Exercise-Induced / diagnosis,  epidemiology*
Athletes / classification,  statistics & numerical data*
Athletic Performance / physiology*,  statistics & numerical data
Epidemiologic Methods
Exercise Test / methods
Running / physiology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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