Asthma Clinical Trial
Official title:
To Investigate the Prevalence of Children Asthma in China and Compare With That of the Last 20 Years
Asthma is the most common chronic respiratory disease in children and has much effect on
their life and study, which leads to huge economic burden and pressure to the whole
families. Some children will develop into adult patients so that asthma can be the life-long
vigorous trouble. In recent years, the prevalence rate of children asthma is increasingly
going up worldwide. The prevalence rate in last 12 months reported in USA, United Kingdom,
Australia, New Zealand was between 12% to 30%.
Center for Asthma Prevention and Education of Capital Institute of Pediatrics investigated
the national asthma prevalence in 900 thousands children in 27 provinces and cities, which
average rate was 0.11% to 2.03% in 1990. In 2000, we investigated it again in 31
provinces(43 cities) and the average national children asthma prevalence rate was
1.97%(0.25% to 4.63%) which was much higher than that in 1990.
1. Objectives
1. To investigate the national children(0-14 years old)asthma prevalence;
2. To compare the prevalence rate between that in 1990 and 2000;
3. To analyse the asthma manifestations including the ages, seasons, causes, trigger
and hereditary factors and their impact on the asthma patients, families and
society;
4. To identify the risk factors by questionnaires in case-control research.
2. Study Design / Clinical Plan
1. The screening stage: to distinguish suspected asthma from the children age from 0
to 14 years old.
2. To obtain identified asthma from the suspected asthma.
3. To evaluate the prevalence and severe degree of 0 to 14-year-old children asthma
and gain the main risk factors by case-control research.
;
Observational Model: Ecologic or Community, Time Perspective: Prospective
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