[The epidemic survey of children rhinosinal inflammatory diseases and their correlation with asthma in Nanjing].

Objective: To realize the epidemic features of rhinosinal inflammatory diseases in children and their correlation with asthma in Nanjing,China.

Method: A questionnaire survey on children chronic rhinosinusitis (CRS) and airway diseases was conducted among 1087 elementary school children, aged from 9 to 10, of seven schools in Nanjing city by random cluster sampling, from March to September, 2004. The questionnaires include such questions as age, gender, family history, basis diseases, inducements, environment, therapy, correlative lower airway diseases and so on. The survey included screening suspects of CRS and allergic rhinitis (AR) by filling up the questionnaires by their parents and then special examination withtion of asthma of children was obtained by inquiring whether children were diagnosed by physician in last 12 months. The results were dealt with statistics.

Result: Nine hundred and eighty nine questionnaires were returned. The response rate was 91% and 942 questionnaires were available. The prevalence rate of CRS of children aged from 9 to 10 was 8.8% in Nanjing city. The prevalence rate of AR was 5.1%. The prevalence rate of asthma of children was 5.3%. The incidences of asthma of children with CRS and AR were 19.3% and 39.6% respectively, while that of children without rhinosinal inflammatory diseases was 1. 8%. The results showed that the differences of the incidences of asthma between children with CRS, AR and without rhinosinal inflammatory diseases were statistically significant( P <0.01).

Conclusion: Chronic rhinosinusitis is a common disease in children. The prevalence rates of CRS and AR in children aged from 9 to 10 in Nanjing city were 8.8% and 5. 1%. The incidence of asthma in children with rhinosinal inflammatory diseases is markedly higher than that in children without these diseases.