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目的对2006-2008所辖范围内的12家肺结核病防治站和12家开展抗酸杆菌(AFB)镜检的二级以上综合医院结核病实验室的痰涂片AFB镜检的质控结果进行评估。方法按照《中国结核病防治规划-痰涂片镜检质量保证手册》(EQA)的要求,对结核病实验室进行现场评价和盲法复检。结果2006-2008年痰涂片盲法复检总涂片数1671份,复检定性符合率为95.2%、阳性定量符合率为70.2%,综合医院定性符合率95.6%、阳性定量符合率64.9%;肺结核防治站定性符合率为94.7%、阳性定量符合率为75.0%。痰涂片质量指标:痰细胞、大小、厚薄、染色、脱落合格率分别为93.4%、66.1%、75.4%、91.0%、97.1%。结论在现场评估中,肺结核病防治站痰检人员固定,经培训后上岗,肺结核病防治站在实验室面积、仪器设备优于综合医院。综合医院痰检人员的学历和职称高于肺结核防治站。肺结核防治站的涂阳患者检出率高于综合医院。
Objective To evaluate the quality control results of sputum smear AFB microscopy in 12 tuberculosis control stations under the jurisdiction of 2006-2008 and 12 tuberculosis laboratories of general hospitals of second level or above carrying out microscopic examination of acid fast bacilli (AFB) . Methods According to the requirements of “China Tuberculosis Prevention and Control Plan - Sputum smear quality assurance manual” (EQA), on-site evaluation and blind review of TB laboratory were conducted. Results In 2006-2008, the number of sputum smear blind retest smear total number of 1671, the qualitative retest was 95.2%, the positive quantitative coincidence rate was 70.2%, the general hospital qualitative coincidence rate of 95.6% positive coincidence rate of 64.9% ; Tuberculosis control station qualitative coincidence rate was 94.7%, positive quantitative coincidence rate of 75.0%. Sputum quality indicators: sputum cells, size, thickness, staining, off pass rates were 93.4%, 66.1%, 75.4%, 91.0%, 97.1%. Conclusions In the field assessment, sputum examination personnel at the TB control station were stationed, trained and employed. The tuberculosis prevention and control station was located in the lab area and the equipment was superior to the general hospital. Comprehensive hospital sputum examination staff qualifications and titles higher than the tuberculosis control station. Tuberculosis prevention and control stations smear positive rate higher than the general hospital.