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颈项透明层测量联合血液相关指标检测在唐氏综合征筛查中的意义 被引量:7

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摘要 目的探讨孕早期颈项透明层(NT)厚度测量联合孕中期母体血清游离雌三醇、绒毛膜促性腺激素(β—hCG)和甲胎蛋白(AFP)检测在唐氏综合征产前筛查中的作用和意义。方法选择2012年2月-2014年6月在天津市滨海新区大港妇女儿童保健中心自愿接受产前唐氏综合征筛查的4300例孕妇。分析孕妇产前的筛查结果、胎儿异常的发生情况以及唐氏综合征的筛查结果。结果4300例孕妇中,NT高危孕妇159例,阳性率为3.70%;经血清学检出的高危孕妇168例,阳性率为3.91%;上述两种检测方法均显示为高危的孕妇93例,阳性率为2.16%。将唐氏综合征的筛查结果分为A组(NT高危组)、B组(血清学检测为高危)、C组(两者均显示为高危组)和D组(A或B显示为高危组)。A、B两组的检测结果通过配对矿检验差异无统计学意义(P〉0.05),两种检验法的一致性K达0.55,即两种方法的检测结果是一致的;C组灵敏度下降,漏诊率上升,但特异度也上升,且阳性预测值最高;D组的灵敏度上升,漏诊率下降,但特异度也下降,且阳性预测值最低。结论胎儿NT测量在唐氏综合征产前筛查中具有重要意义。
作者 刘昕
出处 《中国妇幼保健》 CAS 2015年第28期4826-4828,共3页 Maternal and Child Health Care of China
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