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首页> 外文期刊>Clinical and diagnostic laboratory immunology >Evaluation of the Abbott AxSYM Cytomegalovirus (CMV) Immunoglobulin M (IgM) Assay in Conjunction with Other CMV IgM Tests and a CMV IgG Avidity Assay
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Evaluation of the Abbott AxSYM Cytomegalovirus (CMV) Immunoglobulin M (IgM) Assay in Conjunction with Other CMV IgM Tests and a CMV IgG Avidity Assay

机译:雅培AxSYM巨细胞病毒(CMV)免疫球蛋白M(IgM)检测与其他CMV IgM检测和CMV IgG亲和力检测相结合的评估

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The measurement of the avidity of cytomegalovirus (CMV) immunoglobulin G (IgG) antibodies has been shown by several investigators to be useful in identifying and excluding primary CMV infections in pregnant women. In this work, we examined the diagnostic utility of reflex testing of CMV IgM-positive specimens from pregnant women by using a CMV IgG avidity assay. The utility of this approach was directly dependent on the sensitivity of the CMV IgM assay employed during the initial screen. The higher initial reactivity rate of the AxSYM CMV IgM assay was necessary in order to detect CMV IgM in specimens containing low-avidity CMV IgG antibodies, indicative of a primary CMV infection, which other CMV IgM assays (Behring, Vidas, Captia, and Eurogenetics) fail to detect in some cases. The use of the AxSYM CMV IgM assay, followed by an avidity test, should result in more accurate diagnosis of CMV infection in pregnant women.
机译:几位研究人员已经表明,巨细胞病毒(CMV)免疫球蛋白G(IgG)抗体的亲和力测量可用于识别和排除孕妇的原发性巨细胞病毒感染。在这项工作中,我们通过使用CMV IgG亲和力测定法检查了孕妇CMV IgM阳性标本的反射测试的诊断效用。这种方法的效用直接取决于在初始筛选期间使用的CMV IgM分析的灵敏度。 AxSYM CMV IgM测定法需要较高的初始反应率,以便在包含低抗原性CMV IgG抗体的标本中检测CMV IgM,这表明原发性CMV感染,其他CMV IgM测定法(贝林,维达斯,Captia和Eurogenetics )在某些情况下无法检测到。使用AxSYM CMV IgM分析,然后进行亲和力测试,应该可以更准确地诊断孕妇的CMV感染。

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