0150

EPIDEMIOLOGIC INVESTIGATION AND ANALYSIS TO THE ASTHMA OF THE CHILDREN 0-14 YEAR OLD IN HARBIN

Sun J, Yu XH, Y JB, Liu HL, Su YR, Zhang YQ, He WT, Hu JB, Yu XY, Min Y, Xiao Q, Dong L, Wu X

Harbin Children's Hospital, Harbin, China

Objective: To estimate the prevalence and the related factors of asthma of children in Harbin.

Methods: totally 11246 children 0-14 years of age in town were inquired with the standard formulated by the china pediatrics asthma association, the shifted children with asthma were examined in details, and answered the written questionnaire. Results: 133(1.18%) out of 11246 children were diagnosed as asthma. The incidence of male and female was 1.45% and 0.93%. In 133 cases, asthma of children, infants, cough variant and suspected was 76 (57.1%), 10 (7.5%), 37 (27.8%), 10(7.5%) respectively. The study showed spring was the seasonal reguality of episode of asthma. The mid-night and the morning were time reguality. The time of serious occurrence accelerated to one month in a year was 33.8% in which 40.6% was to one to three months. 50.4% patients have the history in hospital. 57.2% patients occurred among 3 years old, and the percent gradually declined after school age.27.1% was no change in symptoms during the occurrence and 31.6% was relief.68.4%has the history of allergy. The relatives with asthma (in the first and the second class) were 6.8% and 15%. The incidence was no statistics difference in the area of industrial and residential (x2=0.396,p>0.05), 5.3% patients occurred after the house decoration, and the aggravation in symptoms is 0%. The patients' houses with foam products and down toys were 42.9%and46.6%. The abuse of antibiotic was 98.5%. 46.6% and 54.1% patients have the history of using the bronchial dilator and hormone. 81% children were affected in study and90.9% were in their family numbers' work to cure the asthma 39.9% family loses 1000-2000 Yuban RMB in a year.

Conclusion the study showed the incidence ofasthma was greatly increasing compared to that in 1993(x2=44.48,p<0.01). The incidence among male and female has significant difference instatistics (x2=6.44, p<0.05). It is important measures to prevent respiratory infection, and to reduce the pollution enviroment.the renewed knowledge on asthma, the strengthened training to physicianand the enhaned obedience of the children with asthma are all important.