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目的了解武乡县农村寄宿制学生结核菌感染现状,为结核病防治工作提供科学依据。方法对武乡县8所农村寄宿制学校2 233名学生进行结核菌素(PPD)试验调查,对所有PPD试验强阳性学生、有疑似症状和15岁以上学生进行X线摄片筛查,并对有疑似症状和胸片异常者做痰涂片抗酸杆菌检查。结果 PPD试验阳性率14.20%,强阳性率为2.69%,小学生和初中生阳性率分别为11.99%和19.69%;有卡痕和无卡痕学生阳性率分别为15.99%和6.14%;各小学阳性率之间差异显著,各中学阳性率之间差异无统计学意义;胸片均未见异常。结论对PPD试验为强阳性的学生和无卡痕的阳性学生进行跟踪管理可有效控制结核病在学校的传播和流行。
Objective To understand the status of tuberculosis infection among rural boarding students in Wuxiang County and provide a scientific basis for prevention and control of tuberculosis. Methods A total of 2,233 students from 8 rural boarding schools in Wuxiang County were investigated for tuberculin (PPD). All patients with strong positive PPD test, suspected symptoms and students over 15 years of age underwent X-ray screening. On the suspected symptoms and chest X-ray sputum smear acid-fast bacilli examination. Results The positive rate of PPD was 14.20%, the strong positive rate was 2.69%. The positive rate of primary and secondary school students was 11.99% and 19.69% respectively. The positive rate of PPD was 15.99% and 6.14% There was no significant difference between the rates of the positive rate of the middle school, no abnormality of the chest radiograph. Conclusion Tracking management of students with strong PPD test and card-free positive students can effectively control the spread and prevalence of TB in school.