The Epidemiological Investigation Of Children Cough Variant Asthma

Purpose:Investigate the prevalence and risk factors of children cough variant asthma, looking for the etiology, pathogenesis of the disease occurred, analyzing the characteristics of it, for the early prevention, effective treatment and provide objective basis to control the disease.Method:Through to the changchun university of Chinese medicine affiliated hospital; Bethune first hospital of jilin university for children with pediatric outpatient and healing area by random cluster sampling survey method, a total of 10000 people, and by telephone questionnaire survey the method of combining the prevalence of children cough variant asthma; Then the selected 378 children cough variant asthma detailed epidemiological investigation, including sex, age, season, onset time, environment, diet, personal history, family history, treatment, etc., and on the basis of the summary.Result: 1. In a random sample of 10000 pediatric clinics and the children of the treatment, the total response rate was 97.63%.2. A total of screening out of 378 cases of cough variant asthma children, incidence of a disease is 3.87%; 222 cases of male, female 156 cases, male:female is 1.42:1, the prevalence of male and female were 2.27% and 1.60% respectively.3. The onset of the ages of 3 and 6, the highest, accounted for 3.37%,4.56%,5.80% and 3.37% respectively; 2-5 years of age incidence increased with age; After 6 years of age to reduce gradually, but there is a very obvious fluctuations.4. And the seasonal change also has a very close relationship, when the seasons for the disease peak, followed by winter,31.58% and 23.63% respectively.5. Good hair more time is given priority to with bed (39.73%), followed by (25.94%) in the morning, afternoon few episodes (6.69%).6. All factors leading to the onset of children with CVA, see more, most with respiratory tract infection (78.56%), followed by the weather changes, accounted for 67.52%, exposure to cold air, excitant gas. sports, tired, contact some pollen, pet, and take some food, drugs, also has direct relationship with the onset of CVA.7. CVA premonitory symptoms and clinical manifestations during the attack is not very same, can be a certain symptoms appear alone, also can appear two or more mixed, with sneezing is given priority to, before the onset of accounted for 75.68%, followed by the symptoms of runny nose, accounted for 72.59%, again is a stuffy nose and nasal itch,63.12% and 34.58%respectively.8. Food is given priority to with sweet and salty, accounted for 62.73%,58.54% respectively.9. The person is the highest incidence of allergic history of eczema, with 265 cases, accounting for 70.11%, accounted for the most, followed by allergic rhinitis, with 68 cases, accounting for 17.99%.10. In this study, family history of allergies, found that first-degree relatives have a history of repeated cough have 32 cases, accounted for 8.47%, has a history of allergies in 25 cases, accounting for 6.61%; Secondary relative in 28 cases with a history of repeated cough, accounted for 7.41%, have a history of allergies,15 cases (3.97%).11. The period the most used drugs are antibiotics, accounted for 70.11%, followed by antiallergic, accounting for 33.07%.Conclusion:Through the survey found that the occurrence of cough variant asthma on gender differences; With the onset of age, season, time, environment, diet, history of allergies to personal and family history, During the study found that most children have used "anti-inflammatory drugs", show their awareness of the disease is still insufficient, so it is necessary to the epidemiological investigation, in order to further search for the cause of the disease occurred, analyzing the characteristics of it, for the early prevention, effective treatment and provide objective basis to control the disease.