彩色多普勒和多普勒能量图在药物流产方面的临床应用

目的：探讨药物流产后出现宫腔内残留物的彩色多普勒的超声表现和临床应用。方法：选择药物流产后伴有阴道持续出血的病例。应用二维超声、彩色多普勒(CDFI)和多普勒能量图(CDPI)分别观察116例子宫的大小、宫腔内回声及官腔内局部血流情况，并测量子宫动脉的阻力指数。结果：绝大部分病例均发现官腔内有中等或略偏强回声，并在此回声基底部彩色多普勒可观察到五彩花色血流。多普勒能量图能提高局部血流信号的显示。部分病例子宫动脉的阻力指数降低和子宫不同程度的增大。结论：对于药物流产后官腔内有残留物的病例，彩色多普勒可发现特征性的改变，同时应用多普勒能量图更有利于临床诊断和治疗。

Clinical Application of Color Doppler Power Imaging and Color Doppler Flow Imaging in Drug-induced Abortion

Objective:To evaluete the sonographic features of patients with drug-induced abortion and the clinical application value of CDPI and CDFI.Methods:One hundred sixteen patients with vaginal hemorrhage were scanned by two-dimensional ultrasound image,CDFI and CDPI.The ultrasound signal of remained tissue and the Doppler signal of the blood flow were measured in the uterine cavity.Simultaneously,the uterine size and the RI of the uterine artery were measured.Results:Almost in all of these cases,the midium(or low-grade)hyperechoes and hyperechoes were found in their uterine cavity,and the multicolor Doppler signal was found on the edge of the bottom echo.CDPI could reveal the local blood signal easily.In some of these cases the RI of uterine artery was reduced,and the size of the uterus was increased in a variety of degrees.Conclusions:CDFI can demonstrate the characteristic ultrasonographic features of tissues remained after abortion with drugs.If CDPI can be used simultaneously with CDFI,it would be helpful for diagnosis and clinic treatment.