孕妇羊水同型半胱氨酸、叶酸及Vit B12与胎儿畸形的关系

Jilin Medical Journal(2011)

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Abstract
目的:测定胎儿畸形孕妇羊水tHcy、叶酸及Vit B12的水平,了解其与胎儿畸形的关系.方法:根据有无胎儿畸形将研究对象分为两组,病例组(n=68)及对照组(n=68).采用全自动荧光偏振免疫发光法测定两组孕妇羊水中tHcy水平,同时用离子捕捉免疫分析法测定其羊水中叶酸水平,用微粒子酶联免疫分析法测定其羊水中Vit B12水平.结果:病例组的年龄显著小于对照组(P<0.001),抽取羊水的孕周大于对照组(P<0.05),病例组羊水tHcy水平高于对照组(P<0.05),羊水叶酸水平低于对照组(P<0.05),羊水Vit B12水平则显著低于对照组(P<0.001).结论:胎儿畸形患者羊水中tHcy明显升高,而叶酸及Vit B12水平降低,高tHcy增加了胎儿畸形发病的风险,补充叶酸及Vit B12是降低胎儿畸形发生率的有效措施.
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Key words
Amniotic fluid,Malformations,Homocysteine
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