新鲜全血重复测定差值法在血细胞分析质量控制中的应用.pdfVIP

· 224· Exoerimental＆Lab Med．June 20o8．Vol 26．No3 · 论 著· 新鲜全血重复测定差值法在血细胞分析质量控制中的应用 曾建明1李 竞2陈 茶-徐建华-庞 鑫-王美兰-罗燕玲-张秀明 中图分类号R446．11 1．0213．1 文献标识码A 文章编号1674—1129(2008)03—0224—03 【摘要】目的 建立一种以病人新鲜全血为质控物的血细胞分析仪的质控方法。方法 以Bayer AD． VIA 2120血细胞分析仪为实验仪器．每天上午在配套质控物随标本测定后．选取2O份结果合适的新鲜 病人标本，下午重复测定 1次(间隔6小时)，连续检测1O天，计算红细胞、白细胞、血红蛋白、红细胞压积、 血小板前后2次检测结果的差值．将差值的均值和标准差定义为质控图的靶值和标准差．建立差值法Z 分数质控图，再以Westgard质控规则连续 17天监测病人新鲜全血标本，判断检测结果是否在控。结果 除Hb发生 1次失控外．差值法连续 17天的质控结果均在控 结论 差值法能作为仪器配套质控物 8 小时外质量控制的补充．该方法经济、方便，提高了检验报告的质量。 【关键词】血细胞分析仪；质量控制；新鲜全血；z分数图 An application of repetitive measurement difference value with patient fresh whole blood for the quality control of hematocytes analysis ZENG Jianming,LI ring, CHEN et a1．Department of Clinical Laboratory,Guangdong Provincial Hospital of TCM, Guan~zhou 51ol20,China [Abstract】 Objective To set up a repetitive measurement difference value quality control method with patient fresh whole blood for hematocytes analysis． Method A11 tests were performed on Bayer ADVIA 2120 blood analyzer． 20 patient fresh blood samples were selected for 6 hours later detection after quality control passed which were checked among the patient samples every morning lasted for 10 days． The mean and standard deviation of repetitive measurement difference value of WBC，RBC，Hb，MCV and PLT were set as target value and standard deviation of Z—score charts，and then westgard rules were applied for the quality control for 17 days．Results Only Hb was happened 1 time out of control judged by difference value method，the others parameters were in contro1．Conclusion difference value method based on patient fresh whole blood iS a financial and convenient method． which Can be used as an appending method for routine matching control material quality assurance． 【Key words】Hematology analyzer