Prevalence Rate of Exercise-Induced Bronchoconstriction in Annaba (Algeria) Schoolchildren

Background. We studied the prevalence rate of exercise-induced bronchoconstriction (EIB) in Annaba schoolchildren. No previous assessment of this syndrome had ever been done in Algeria. Methods. EIB was evaluated using the 6 min free running test (6MFRT) on 286 children, 87.4% of whom were 10-12 yea...

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Bibliographic Details
Published in:The Journal of asthma 2011-06, Vol.48 (5), p.511-516
Main Authors: Benarab-Boucherit, Yasmina, Mehdioui, Hacene, Nedjar, Faycal, Delpierre, Stéphane, Bouchair, Nadira, Aberkane, Abdelhamid
Format: Article
Language:English
Subjects:
Africa, Northern - epidemiology
Age Distribution
air pollution
Algeria - epidemiology
Allergens - adverse effects
Asthma, Exercise-Induced - epidemiology
Asthma, Exercise-Induced - physiopathology
Bronchial Hyperreactivity - diagnosis
Bronchial Hyperreactivity - epidemiology
Bronchoconstriction
Child
children
Cross-Sectional Studies
Developing Countries
Environmental Pollutants - adverse effects
Exercise Test - methods
exercise-induced bronchoconstriction
Female
free running
Humans
Male
peak expiratory flow
Predictive Value of Tests
Prevalence
Risk Assessment
School Health Services
Severity of Illness Index
Sex Distribution
Students - statistics & numerical data
Surveys and Questionnaires
Urban Population
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Summary:Background. We studied the prevalence rate of exercise-induced bronchoconstriction (EIB) in Annaba schoolchildren. No previous assessment of this syndrome had ever been done in Algeria. Methods. EIB was evaluated using the 6 min free running test (6MFRT) on 286 children, 87.4% of whom were 10-12 years old. They performed the test in the morning, during the autumn-winter season. Peak expiratory flow rate (PEFR) was measured before, and then 5 and 10 min after the 6MFRT, a 15% or more decrease in post-exercise PEFR being defined as significant. Results. EIB was much more frequent in asthmatic than in nonasthmatic children (47.0% vs. 13.9%, p < .001) and the drop in PEFR was more marked among the former. EIB was observed more often in a cool temperature (
ISSN:0277-0903
1532-4303
DOI:10.3109/02770903.2011.578315