羊膜腔穿刺术是以穿刺针刺入羊膜腔,然后抽取羊水进行检验。是了解胎儿发育情况以及治疗胎儿病症或中止妊娠的产前诊断的重要手段。妊娠中期以后羊水主要来源于胎尿与羊膜上皮渗漏,其中含有胎儿皮肤的脱落细胞、酶、激素及胎儿代谢产物,因此检查羊水成分,可以反映胎儿情况。
有创性产前诊断技术,超声引导下羊膜腔穿刺术(amniocentesis,AC)是诊断胎儿染色体疾病,了解胎肺成熟度及宫内治疗的主要手段之一,通过羊膜腔穿刺术了解胎儿宫内情况,对降...
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Methods Amniocentesis and cordocentesis were performed in pregnant women with indications of prenatal diagnosis,and the chromosome karyotype analysis was performed. The detection rate of trisomy 21 in fetus with ultrasonic manifestation of NF thickening was calculated.
方法对有产前诊断指征的孕妇行羊膜腔穿刺术或胎儿脐带血穿刺术,并进行染色体核型分析,计算超声对NF增厚胎儿21-三体综合征的检出率,分析胎儿NF增厚与21-三体综合征的关系。
参考来源 - 超声检查中孕期胎儿颈后部皮肤皱褶增厚对筛查21·2,447,543篇论文数据,部分数据来源于NoteExpress
结果羊膜腔穿刺术一针成功率为100%。
目的探讨羊膜腔穿刺术超声定位的有关问题。
Objective To investigate some questions about ultrasound localization of amniocentesis.
该文就介入性宫内诊断技术中的羊膜腔穿刺术、 绒毛活检术、胎儿脐血穿刺术及胎儿镜检查等产前诊断技术的操作和适应症等进行比较和讨论。
Invasive prenatal diagnostic techniques include amniocentesis, chorionic villus sampling(CVS), fetal blood sampling and embryoscopy. In this article, we introduced the procedures of these met…
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