Epidemiological survey 6 years apart: increased prevalence of asthma and other allergic diseases in schoolchildren aged 13-14 years in cluj-napoca, romania (based on isaac questionnaire).

BACKGROUND: The prevalence of asthma and allergy has increased during recent decades. OBJECTIVE: We investigate the prevalence of asthma and other allergic diseases in children aged 13-14 years and we evaluate the trend of prevalence after an interval of 6 years. MATERIAL AND METHODS: We used a core questionnaire designed by the International Study of Asthma and Allergy in Children. In 1991, the questionnaire was administered to 2,866 children from a Romanian city and during 2001 to 1,657 children from the same area. RESULTS: The prevalence of asthma increased from 3.3% in 1995 to 5.5% in 2001 (p<0.001). In 1995, 4.3% of children reported asthma-related symptoms, significantly fewer than the percentage 6 years later (13.6%; p<0.00001). Similar results were obtained with regard to allergic rhinitis (13.6% versus 20%; p<0.00001) and eczema (11.5% versus 16.2%; p=0.00015). As far as gender differences are concerned, in the first stage of study all three allergic disorders were found to occur more frequently in females. In the study undertaken in 2001, females proved to have a higher prevalence of asthma (p=0.226), but a lower prevalence for allergic rhinitis (p=0.121) and eczema (p=0.064). CONCLUSIONS: The prevalence of asthma and allergy increased significantly during the past 6 years.

[Prevalence of bronchial asthma in 7 years -old children in Cluj-Napoca, an ISAAC study]. / Prevalenta astmului bronsic la copiii de 7 ani din municipiul Cluj-Napoca. Studiu ISAAC.

The authors studied the prevalence of asthma in children of 7 years from Cluj Napoca and analyzed the possible risk factors. We used the questionnaire elaborated by International Study on Asthma and Allergic Diseases in Children (ISAAC) which allowed the comparison of our data with those from other countries. Anamnesis, functional tests and allergic skin tests were performed in children with positive answers for questionnaire. 1334 children completed the study, 52.5% being males. Prevalence of asthma diagnosed previous to the questionnaire was of 5.7%, and it was higher in males (6.1%). By anamnesis, functional and skin tests data the diagnosis of asthma was made in a total of 217 children, so that the real prevalence of asthma is of 16.3% in this age group. Maternal smoking during the first year of life was significantly higher in children with wheezing. The high number of respiratory tract infections in the first year of life could also play a role. In conclusion, prevalence of asthma diagnosed in children of 7 years of age from Cluj Napoca is of 5.7% with a real prevalence of disease that seems to be much higher, of 16.3%. Maternal smoking represents a risk factor correlated with wheezing.

[Increase of the prevalence of bronchial asthma and related symptoms in students in Cluj-Napoca. Epidemiologic study with a five-years interval]. / Cresterea prevalentei astmului bronsic si simptomelor asociate la scolarul mare în Cluj-napoca. Studiu epidemiologic la 5 ani interval.

BACKGROUND: The prevalence of asthma is increasing in developed countries during the past decade. In Romania there are few studies on asthma epidemiology and no data on the trend of the prevalence. AIMS: The authors investigate the prevalence of asthma and associated symptoms in children and evaluate the trend of prevalence 5 years apart. METHODS: We used a core questionnaire designed by the International Study of Asthma and Allergy in Children (ISAAC). The questionnaire was applied during 1995 in 2,866 children aged 13-14 years from a Romanian city, and during 2001 in 1,657 children from the same area. RESULTS: The prevalence of previous diagnosed asthma increased significant, from 3.3% in 1995 to 5.5% in 2001 (p = 0.0005). A higher percentage of pupils presented probable asthma (4.3% in 1995 and 13.6% in 2001; p < 0. 00001). Similar results were obtained regarding symptoms related to asthma like wheezing, cough during exercise and night cough. Previous diagnosed asthma was more frequent in boys, but probable asthma and symptoms related to asthma were more prevalent in girls both in 1995 and in 2001. The prevalence of asthma is similar with that reported in other central and eastern European countries that used the same core questionnaire provided by ISAAC. CONCLUSION: The prevalence of asthma and associated symptoms increased significantly during the past 5 years.