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双胎输血综合征的诊治进展(综述)

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摘要 双胎输血综合征(twin-twin transfusion syndrome,TTTS)是双胎妊娠的一种特殊病理状态,是单绒毛膜双胎妊娠最常见、最严重的并发症。TTTS在双胎妊娠的发生率为5%~15%,在单绒毛膜双羊膜囊双胎妊娠的发生率为15%。TTTS的病因,总的来说是遗传基因的异常,功能性胎盘血管吻合进而继发胎儿血容量改变是主要的病理生理变化,而不平衡的血流交换被认为是TTTS发生的主要原因。在诊断上,目前TTTS主要靠产前超声诊断,根据TTTS的严重程度,将其分为5期。在治疗上,TTTS的治疗方案主要有羊水减量法、胎儿镜下激光凝固吻合血管法。后者的存活率及存活儿的神经系统影响均优于前者,具有较好的发展前景。虽然,胎儿宫内手术在国内开展不多,技术要求高,但可以在有条件的医疗机构逐步开展。
作者 刘云
出处 《中国城乡企业卫生》 2010年第3期28-30,共3页 Chinese Journal of Urban and Rural Enterprise Hygiene
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参考文献22

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