首页> 美国卫生研究院文献>Journal of Clinical Microbiology >Laboratory Evaluation of a Point-of-Care Downward-Flow Assay for Simultaneous Detection of Antibodies to Treponema pallidum and Human Immunodeficiency Virus
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Laboratory Evaluation of a Point-of-Care Downward-Flow Assay for Simultaneous Detection of Antibodies to Treponema pallidum and Human Immunodeficiency Virus

机译:同时检测梅毒螺旋体和人类免疫缺陷病毒抗体的护理点向下检测方法的实验室评估

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摘要

Combining the detection of syphilis and HIV antibodies into one point-of-care test integrates syphilis screening into already existing HIV screening programs, which may be particularly beneficial in settings such as antenatal care. Using the INSTI Multiplex downward-flow immunoassay, we tested 200 stored serum samples from high-risk patients enrolled in a longitudinal study on HIV infection and syphilis in Peruvian men who have sex with men and transgender women. This rapid assay detected HIV and Treponema pallidum serum antibodies with sensitivities of 100% (95% confidence interval [CI], 95.9% to 100%) and 87.4% (95% CI, 81.4% to 92.0%), respectively, and specificities of 95.5% (95% CI, 89.9% to 98.5%) and 97.0% (95% CI, 84.2% to 99.9%), respectively (n = 200). The sensitivity for syphilis antibody detection was higher in patients with a rapid plasma reagin titer of ≥1:8 (97.3%) than in those with a titer of ≤1:4 (90%) or a nonreactive titer (66.7%).
机译:将梅毒和HIV抗体的检测结合到一个即时检验中,可以将梅毒筛查整合到已经存在的HIV筛查程序中,这在诸如产前保健之类的环境中可能特别有益。我们使用INSTI Multiplex向下流动免疫分析法,对秘鲁男性和变性女性中HIV感染和梅毒进行纵向研究的200名高危患者的血清样本进行了测试。这项快速检测方法检测出HIV和苍白螺旋体血清抗体,其敏感性分别为100%(95%置信区间[CI],95.9%至100%)和87.4%(95%CI,81.4%至92.0%),并且特异性为分别为95.5%(95%CI,89.9%至98.5%)和97.0%(95%CI,84.2%至99.9%)(n = 200)。血浆血友病快速滴度≥1:8(97.3%)的患者的梅毒抗体检测灵敏度高于滴度≤1:4(90%)或无反应性滴度的患者(66.7%)。

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