述评:胎儿超声心动图的研究进展
)秒~对)
采用四维超声和时间空间关联成像技术的)
名无症状的绝经前妇女进行观察,分别采用技术对早中孕胎儿进行畸形扫查获得较满意的效果。
)应用)年~型超声心动图可以提供室壁厚度及心室缩短分数从而对胎儿心脏功能进行评价,但是这种方法不够精确。胎儿的心脏长轴可以提供更多的心内功能信息,尤其对于超声可以探查的心内膜弹力纤维增生症发生之前的早期心肌缺血的改变。例宫内发育迟缓的胎儿,指数观察孕龄均在名正常胎儿进行校正心肌做功指数(回顾性研究
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