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妊娠期肝内胆汁淤积症对母儿的影响及其机制 预览 被引量:11

Intrahepatic Cholestasis of Pregnancy:Mechanism and Impacts in Pregnancy and Fetal Outcomes
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摘要 妊娠期肝内胆汁淤积症(ICP)对母儿均有不良影响。 ICP患者妊娠中晚期体内激素水平异常、基因变异、免疫损伤及致痒源释放增多可引起母体皮肤瘙痒、胆汁酸水平升高及肝功能异常、凝血功能障碍及产后出血,孕妇预后佳,主要危及胎儿。类固醇物质代谢障碍、胆汁酸浓度升高可增加子宫肌层对催产素的敏感性、促进宫颈成熟,诱发早产;胆汁酸在组织器官中沉积导致胎盘绒毛血管痉挛、胎盘储备能力下降,通过胎儿心脏及肺脏毒性作用引起胎儿窘迫、死产及新生儿死亡。 Intrahepatic cholestasis of pregnancy is characterized with unexplained pruritus ,elevated concentration of total bile acid and liver transaminases,which are influenced by abnormal hormone level in the second or third trimester,gene mutation,immune injury and increased release of pruritogens. Although it has good prognosis on pregnant women ,it plays an important role on increased risk of adverse fetal outcomes,including preterm delivery,fetal distress,fetal mortality and neonatal respiratory distress syndrome. The abnormal metabolism of steroids and elevated total bile acid increase myometrial sensitivity for oxytocin and promote cervical ripening so as to induce premature delivery. Bile acid desposition in the placenta leads to spasm of placental villous vessels and decreasing placental reserve capacity. Also ,bile acid accumulation can play a toxin role on fetal heart and lung,resulting in cardiac conduction dysfunction and reduced synthesis of pulmonary surfactant. All these contribute to increased rate of fetal distress ,fetal death and neonatal lung injury.
作者 伍思玲 邵勇 何芳 WU Si-ling, SHAO Yong, HE Fang( Department of Obstetrics and Gynecology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016,China ( WU Si-ling,SHA O Yong) ;Department of Obstetrics and Gynecology ,Fuling Hospital of Tranditional Chinese Medicine, Chongqing 408000, China(HE Fang))
出处 《国际妇产科学杂志》 2014年第2期154-157,共4页 Foreign Medical Sciences(Obstet Gynecol Fascicle)
基金 国家临床重点专科建设经费资助项目(201101ckZD),重庆市卫生局科研基金(2009-2-386),重庆市涪陵区科委自然科学基金(FLK,J,2011ABB2069)
关键词 胆汁淤积 肝内 胆汁酸类和盐类 胎儿窘迫 呼吸窘迫综合征 新生儿 妊娠期肝内胆汁淤积症 Cholestasis,intrahepatic Bile acids and salts Fetal distress Respiratory distress syndrome,newborn Intrahepatic cholestasis of pregnancy
作者简介 通信作者:邵勇,E-mail:cqshaoyong@163.com。审校者
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参考文献27

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二级参考文献136

共引文献96

同被引文献102

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