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近年来超声诊断技术在胎儿结构畸形尤其是胎儿先天性心脏结构畸形的产前诊断方面已经十分成熟。而对于妊娠中晚期出现的因母体因素(妊高症、糖尿病等)和(或)胎儿因素(慢性缺血缺氧、病毒感染等)导致胎儿非结构性致死或不良妊娠结局仍未得到有效的产前诊断和临床干预。这部分高危胎儿死亡或导致不良妊娠结局的主要原因为各种病因引发的胎儿心功能不良。因此,早期发现胎儿心功能不良,避免高危胎儿因心功能进行性不
In recent years, ultrasound diagnosis of fetal structural malformations, especially in fetal congenital heart structural abnormalities in prenatal diagnosis has been very mature. As for the second trimester of pregnancy because of maternal factors (pregnancy-induced hypertension, diabetes, etc.) and (or) fetal factors (chronic hypoxia, viral infection, etc.) lead to non-structural fetal death or adverse pregnancy outcomes have not been effective Prenatal diagnosis and clinical intervention. This part of the high-risk fetal death or lead to adverse pregnancy outcomes mainly due to various causes of fetal heart failure. Therefore, early detection of fetal cardiac dysfunction, to prevent high-risk fetal heart function does not progress