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Prevalence of Bronchial Asthma, Eczema and Allergic Rhinitis in School Children in theCzech Republic


Authors: P. Pohunek 1;  A. Slámová 2;  J. Zvárová 2,3;  J. Svatoš 3
Authors‘ workplace: II. dětská klinika 2. LF UK, FNsP v Motole, Praha, 1přednosta doc. MUDr. J. Vavřinec, CSc. Ústav hygieny a epidemiologie 1. LF UK, Praha, 2přednosta prof. MUDr. V. Bencko, DrSc. EuroMISE Center, Praha, 3přednostka doc. RNDr. J. Zvárová, CSc.
Published in: Čes-slov Pediat 1999; (2): 60-68.
Category:

Overview

Objective:
To investigate the prevalence of symptoms of allergic disorders, mainly bronchial asthma, allergicrhinitis and allergic eczema in school children in the Czech Republic.Methods: The questionnaire based on the standardised ISAAC questionnaire (International Study of Asthmaand Allergy in Children) was distributed to pupils of two age groups in randomly selected schools in the CzechRepublic. Children in the age group of 13 to 14 years completed the questionnaire at school, for children at the ageof 6 to 7 years the parents completed the questionnaire at home.Results: 4251 questionnaires were completed (1827 in the older group and 2424 in the younger group), theresponse rate was 77.1 %. The estimated 12-month prevalence of wheezing was 13.2 % (15.9 % in the older groupand 11.2 % in the younger group), the 12-month prevalence of exercise induced wheezing was 5.6 % (8.8 % and3.1 %). The 12-month prevalence of four and more episodes of wheezing was 3.5 % (3.9 % and 3.0 %). The lifeprevalence of diagnosed asthma was 3.7 % (4.8 % and 2.9 %); 9.6 % of all children however used some type ofasthma medication. Only 23 % of the children with wheezing in the last 12 months were diagnosed as havingasthma. The overall 12-month prevalence of wheezing was higher in cities than in rural areas (22.5 % vs. 3.9 %).The prevalence of allergic rhinitis was 13.2 % (17.2 % and 10.2 %) and the prevalence of eczema in typical locationswas 13.7 % (14.0 % and 13.4 %). We identified significant risk factors in children with diagnosed asthma. In52.8 % of such families there was pet and a smoker was present in 36.3 % of these families.Conclusions: The prevalence of symptoms of bronchial hyperresponsiveness and asthma in Czech schoolchildren is rather high, there is still a substantial underdiagnosis of the disease and important risk behaviour ofthe families. This may lead to more severe disease and impaired prognosis.

Key words:
bronchial asthma, wheezing, eczema, allergic rhinitis, prevalence, risk factors

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Neonatology Paediatrics General practitioner for children and adolescents
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