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目的了解宁波市江北区发热病人疟原虫血片质量,为镜检质量考核以及疟疾防治效果评价提供科学依据。方法对江北区各级医疗卫生单位已检血片进行随机抽样,抽取所有阳性血涂片和不少于10%的阴性血涂片进行复检。从血片制作、染色、清洁度方面对血片质量进行对比分析和评价。结果共抽查已检血片637张,血片制作、染色和清洁度总体合格率分别为86.03%、89.79%和89.64%,并有逐年增高的趋势。不同月份复检血片质量亦有显著性差异(P<0.05)。血片质量缺陷以沉渣、厚膜制作不规范以及偏碱性为主。结论宁波市江北区疟原虫血片质量较好,基本达到考核标准。但仍需加强培训和指导,促进血片质量不断提高。
Objective To understand the blood quality of Plasmodium parahaemolyticum in Jiangbei District of Ningbo City, and to provide a scientific basis for the assessment of microscopic examination quality and the evaluation of malaria control effect. Methods The medical and health units at all levels in Jiangbei District were randomly sampled blood samples and all the positive blood smear and negative blood smear were taken for retest. From the blood film production, staining, cleanliness of the blood film quality comparative analysis and evaluation. Results A total of 637 seized blood films were obtained. The overall pass rate of making, dyeing and cleanliness of blood films was 86.03%, 89.79% and 89.64%, respectively, with a trend of increasing year by year. There was also significant difference in the quality of re-examination of blood film in different months (P <0.05). Blood film quality defects to sediment, thick film production is not standardized and alkaline-based. Conclusion The quality of Plasmodium blood samples in Jiangbei District of Ningbo City is good and basically meets the assessment criteria. However, training and guidance still need to be strengthened to improve the quality of blood films.