血站全自动酶联免疫吸附试验质控失控的回顾性分析

来源 :2017《中国医院药学杂志》学术年会 | 被引量 : 0次 | 上传用户:maotou528
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  目的 通过认真观察质控图,对图上的失控点及失控趋势加以分析总结,制定出整改措施,消除干扰因素,保持检测结果的精密性和准确性,从而达到室内质控的目的。方法 用成品试剂盒对每天接收的检测标本进行乙肝表面抗原,丙型肝炎抗体,梅毒抗体和艾滋病抗原的检测。每一批次酶联免疫试剂板均带一孔弱阳性室内质控品,摆放到相应的全自动加样仪或酶免一体机上,进行各个试验程序,并以Y轴为质控品的测定值,X轴为质控日期数值,Y轴各个水平线分别为-x±1s,-x±2s,-x±3s为上下限,进行质控图描点绘图。结果 质控图出现变化,且变化随着影响因素的纠正而得到改善。结论 加样不准确,质控品长时间开盖暴露于空气中,试剂的批间差异,试剂保存到末期时应用等试剂不稳定和各种失控情况如质控品加样量不足等均会导致质控图结果出现波动,排除这些因素实验结果的准确性会增加。
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