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The Application Value of the Ultrasonic Apparatus for Fetal with Different Test Method of Joint Inspection in Screening Chromosomal Abnormalities
Author(s): 
Pages: 439-440,443
Year: Issue:  4
Journal: The Journal of Medical Theory and Practice

Keyword:  超声染色体异常颈项透明层厚度鼻骨缺失静脉导管A波;
Abstract: 目的:探讨超声仪对胎儿颈项透明层(NT)厚度、鼻骨缺失、静脉导管A波的联合检查在胎儿染色体异常(CA)中的应用价值.方法:选择2013年1月-2014年5月在我院行产前常规彩超筛查的867例孕妇,测量其胎儿的NT厚度、鼻骨缺失及静脉导管频谱等项目,若初诊为染色体异常,再通过胎儿羊膜腔或脐静脉穿刺,分析羊水染色体核型.结果:检测结果:NT增厚(≥2.5mm)19例,鼻骨短小或缺失18例,静脉导管A波消失或倒置14例,联合检查诊断胎儿异常13例.羊水染色体核型分析发现,CA 6例,其中21、18、13-三体综合征分别为3例、2例、1例.较之单独检测,联合检测方法的敏感性、阳性预测值明显高,差异有统计学意义(P<0.05).结论:超声仪对胎儿NT厚度、鼻骨缺失、静脉导管A波的联合检查,可以进一步提高早孕期CA诊断精确度,值得深究推广.
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