广州北部山区结核病流行状况调查

Epidemiological survey of pulmanry tuberculosis in northern mountainous area of Guangzhou

目的了解广州北部山区人群的肺结核病流行状况,为开展防治工作提供依据。方法 2010年5~6月在广州北部山区用分层整群随机抽样方法选定调查点,以逐户走访核实的方式进行调查,调查内容包括症状、胸片、结核杆菌病原学检查,结核防治知晓率问卷调查和检出结核病患者的经济情况调查。结果共发现活动性肺结核9例,其中凃阳培阳患者3例,本地区结核病患病率为533.81/10万;9例患者多为低收入、低学历的外来人员,其结核防治知识知晓率明显偏低（11.11%~66.67%）。结论广州北部山区肺结核病的患病率偏高,有可能对城市中心的疫情造成影响,应加强防控,尤其是要加强对外来人口的管理。

Objective To evaluate the epidemiological status of pulmonary tuberculosis （TB）in northern mountainous area of Guangzhou. Methods Stratified cluster random sampling and house by house visiting methods were used for this survey in May and June 2010,the sampled-residents received clinical inquiry,physical examination,chest-X-ray examination,sputum-smear test and culture of Myeobacterium tuberculosis. Results Nine patients were diagnosed as active pulmonary TB, and 3 of them were smear-positive and bacteria-positive TB, the prevalence of active pulmonary TB was 533/100 000. Most of the active pulmonary TB patients were floating population with low TB knowledge,their income and education background were low be. Conclusion The prevalence of active pulmonary TB in northern Guangzhou mountainous area is higher than average level,emphasis should be put on strengthening the surveillance and control of TB in this area including management of the floating population.