心腔内超声引导下经导管卵圆孔未闭封堵术Transcatheter closure of patent foramen ovale under intracardiac echocardiographic guidance: feasibility and comparison with fluoroscopy
刘政 ,张萍 ,Daniel McCormick ,Timothy Puri ,Amy Loyd ,Mani Vannan
摘要(Abstract)：
目的探讨心腔内超声(ICE)在经导管卵圆孔未闭(PFO)封堵术中的初步应用经验及其与X线的比较。方法应用ICE监测与引导86例PFO的封堵过程,在ICE上测量基础状态PFO通道的直径和长度,分别用ICE和X线透视测量PFO球囊伸展径(BSD)。ICE观察封堵器释放后的位置,并通过彩色血流显像和声学造影判断有无残余分流。结果ICE清晰地显示PFO解剖形态及周围结构,在ICE上测量基础状态PFO通道长度和直径分别为3.6~22mm(11±4mm),0~9mm(4±2mm)。ICE上测量的PFO球囊伸展径为5~16mm(9.2±2.6mm),经X线透视测量的PFO球囊伸展径为5~17mm(9.7±2.8mm),二者相关非常显著(r=0.90,P<0.0001),86例中有85例封堵成功,1例失败。结论ICE不仅能提供PFO的解剖和血流动力学信息,而且能准确提供PFO各种测量值。
关键词(KeyWords)： 超声心动描记术;房间隔缺损;心脏导管插入术
基金项目(Foundation):
作者(Author): 刘政 ,张萍 ,Daniel McCormick ,Timothy Puri ,Amy Loyd ,Mani Vannan
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