台州市不同医疗机构痰涂片室间质控效果评价

目的为了评价台州市各县（市、区）结核病实验室痰涂片质量和镜检能力，提高结核病痰涂片镜检质量。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。结果复检符合率98.6%、阳性符合率96.1%、阴性符合率99.1%、综合医院符合率98.9%、结防机构符合率98.1%。痰涂片质量指标：痰细胞、大小、厚薄、染色、脱落合格率分别为89.5%、69.5%、72.9%、91.5%、97.4%。结论 EQA盲法复检和实验室现场评价，有利于发现问题，及时有效的纠正错误。

Evaluating the effect of the external quality assurance of the tuberculosis sputum smear blind rechecking in Tai Zhou City

Objective To evaluate the quality of tuberculosis (TB) sputum smear and sputumexamination in TB lab in Tai Zhou City, and to improve the quality of the sputum examination.Method According to the Handbook of Quality Assurance of Sputum Examination, Chinese Tu-berculosis Prevention and Control Plan, the field evaluation and blind rechecking of TB lab werecarried out. Result Rechecking coincidence rate was 98.6%, positive coincidence rate was96. 1 %, negative coincidence rate was 99. 1 % , coincidence rate of general hospital was 98. 9% , andcoincidence rate of TB dispensary was 98. 1 %. Sputum smear quality index included the coincidencerates of sputum cell, size, thickness, dyeing and shedding, which were 89. 5%, 69. 5%, 72. 9%,91. 5% and 97. 4% respectively. For the field evaluation, the pre-job training for the TB lab techni-cians in TB dispensary was stable, the room for TB lab, the equipment and the maintain of the spu-tum smears in TB dispensary were better than the lab in general hospitals. Conclusion Blind re-checking of EQA and field evaluation are effective Methods to identify the problems and rectify theexisting mistakes.