Objective To discuss the etiological characteristics of children with non-specific chronic cough in central area of Foshan City. Methods A total of 259 children with chronic cough treated in cough clinic and com-plete follow-up in Foshan Maternal and Child Health Care Hospital from January 2016 to December 2016 were includ-ed in this study. Causes of disease were analyzed. Results After 3 months of follow-up, the top three causes of the disease were cough variant asthma (81 cases, 31.3%), upper airway cough syndrome (24.7%), respiratory tract infec-tion (22.4%). 36.1%of chronic cough in infants (≤3 years old) was caused by respiratory tract infection, 34.7%of the 4 to 6 years old was caused by cough variant asthma, and 31.5% of the >6 years old was caused by upper airway cough syndrome, with statistically difference in the above three causes among different age period (P<0.05). Among the three major causes, cough variant asthma caused the highest rate of abnormal lung function, which was 38.7%. Conclusion Etiological factors of non-specific chronic cough are complex in the central area of Foshan City. The top three causes were cough variant asthma, upper airway cough syndrome, and respiratory tract infection. The primary causes of chronic cough in different ages were different. Pulmonary function test is helpful in the diagnosis of cough variant asthma in children.%目的 探讨佛山中心城区儿童慢性咳嗽的病因特点.方法 收集2016年1~12月于佛山市妇女儿童医院就诊建档并完成随访的咳喘患儿259例,对其临床资料进行病因分析.结果 随访3个月确诊前3位病因由高到低依次为:咳嗽变异性哮喘(31.3%),上气道咳嗽综合征(24.7%),呼吸道感染(22.4%);≤3岁患儿咳嗽病因呼吸道感染所占比例最高达36.1%,而4~6岁患儿咳嗽变异性哮喘比例最高达34.7%,>6岁儿童上气道咳嗽综合征比例最高达31.5%,以上三种病因于各年龄段构成比差异具有统计学意义(P<0.05);三种病因中,咳嗽变异性哮喘占肺功能异常病例的比例最高,约40.8%.结论 佛山中心城区儿童慢性咳嗽病因复杂,其中前几位主要疾病为咳嗽变异性哮喘、上气道咳嗽综合征、呼吸道感染.不同年龄患儿慢性咳嗽的主要病因不同,肺功能检查有助于患儿慢性咳嗽的诊断.
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