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双胎输血综合征胎儿心功能评估中的方法及临床应用
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- Author:
- No author available
- Journal Title:
- Chinese Journal of Obstetrics and Gynecology
- Issue:
- 7
- DOI:
- 10.3760/cma.j.issn.0529-567x.2012.07.020
- Key Word:
- No keyword available
Abstract： 双胎输血综合征(twin-twin transfusion syndrome,TTTS)是单绒毛膜双胎(monochorionic twins,MCT)的严重并发症,发生率约20％[1].双胎之间的血液通过胎盘吻合血管发生交换,引起受血胎儿血容量过多,而供血胎儿血容量不足.双胎之间血容量不平衡是TTTS的重要特征,也是一系列病理、生理改变的关键.TTTS中双胎血容量改变可引起胎儿心功能变化,并进而影响胎儿发育及其出生后的生存质量.近年研究提示,胎儿心功能随TTTS病情发展出现相应改变,对TTTS预后转归有重要影响,而宫内治疗胎儿的心功能变化也对预后有重要评估价值[1],故有学者提出,应在TTTS诊断分期系统中加入心功能指标[2-4].
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