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Prevalence of asthma symptoms in Latin America: the International Study of Asthma and Allergies in Childhood (ISAAC).

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Authors
Mallol, J
Solé, D
Asher, I
Clayton, T
Stein, R
Soto-Quiroz, M
Issue Date
2000-12-01
Keywords
Asthma
Children
Epidemiology
ISAAC
Latin America
Prevalence
Adolescent
Child
Health Surveys
Humans
Latin America
Odds Ratio
Prevalence
Questionnaires
Respiratory Sounds
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xmlui.metadata.dc.contributor.email
jmallol@lauca.usach.cl

Metadata
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Publisher
John Wiley & Sons
Journal
Pediatric Pulmonology
URI
http://hdl.handle.net/10757/625755
PubMed ID
11109054
Additional Links
https://www.scopus.com/record/display.uri?eid=2-s2.0-0033663761&origin=resultslist&sort=plf-f&src=s&st1=Chiarella&st2=Pascual&nlo=1&nlr=20&nls=count-f&sid=c8f04a55e1825bc48245cd6be6b33301&sot=anl&sdt=aut&sl=39&s=AU-ID%28%22Chiarella%2c+Pascual%22+18436145400%29&relpos=11&citeCnt=120&searchTerm=
Abstract
The prevalence of respiratory symptoms indicative of asthma in children from Latin America has been largely ignored. As part of the International Study of Asthma and Allergies in Childhood (ISAAC), 17 centers in 9 different Latin American countries participated in the study, and data from 52,549 written questionnaires (WQ) in children aged 13-14 years and from 36,264 WQ in 6-7 year olds are described here. In children aged 13-14 years, the prevalence of asthma ever ranged from 5.5-28%, and the prevalence of wheezing in the last 12 months from 6.6-27%. In children aged 6-7 years, the prevalence of asthma ever ranged from 4.1-26.9%, and the prevalence of wheezing in the last 12 months ranged from 8.6-32.1%. The lower prevalence in centers with higher levels of atmospheric pollution suggests that chronic inhalation of polluted air in children does not contribute to asthma. Furthermore, the high figures for asthma in a region with a high level of gastrointestinal parasite infestation, and a high burden of acute respiratory infections occurring early in life, suggest that these factors, considered as protective in other regions, do not have the same effect in this region. The present study indicates that the prevalence of asthma and related symptoms in Latin America is as high and variable as described in industrialized or developed regions of the world.
Type
info:eu-repo/semantics/article
Rights
info:eu-repo/semantics/embargoedAccess
Language
eng
ISSN
8755-6863
Collections
Medicina

entitlement

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