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Correlation between CMIA and TPPA methods in detecting treponema antibody
Author(s): 
Pages: 441-443
Year: Issue:  5
Journal: Experimental and Laboratory Medicine

Keyword:  梅毒螺旋体抗体化学发光测定法梅毒螺旋体明胶颗粒凝集试验;
Abstract: 目的 探讨化学发光法检测梅毒螺旋体抗体测定值(S/CO)大于1时TPPA检测阳性率的变化趋势,为临床对梅毒的诊治提供更加准确的实验室依据.方法 应用化学发光微粒子免疫检测法(CMLA),梅毒螺旋体抗体明胶颗粒凝集试验(TPPA),分别检测患者血清标本中梅毒螺旋体抗体.结果 200份化学发光法测定值(S/CO)小于1的样本经TPPA检测无一例阳性;504份化学发光法测定值(S/CO)为1-4.99的样本经TPPA检测346例为阳性;237份化学发光法测定值(S/CO)为5~9.99的样本经TPPA检测231例为阳性:437份化学发光法测定值(S/CO)为10~19.99的样本经TPPA检测433例为阳性;838份化学发光法测定值(S/CO)≥20的样本经TPPA检测全部为阳性.结论 化学发光检测梅毒具有高度的敏感性,自动化程度高,适合大批量标本的常规筛查,但对化学发光法测定值(S/CO)在1~19.99区间的样本应采用TPPA联合检测,防止误诊.
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