Kalache Karim, Romero Roberto, Goncalves Luis F, Chaiworapongsa Tinnakorn, Espinoza Jimmy, Schoen Mary Lou, Treadwell Marjorie C, Lee Wesley
Perinatology Research Branch, National Institute of Child Health and Human Development, National Institutes of Health/DHHS, Bethesda, MD 20892, USA.
Am J Obstet Gynecol. 2003 Nov;189(5):1401-6. doi: 10.1067/s0002-9378(03)00774-9.
The purpose of this study was to describe the use of three-dimensional power Doppler ultrasonography to identify vascular congenital anomalies of fetal portosystemic and umbilical venous systems.
In a prospective study, the hepatic and umbilical venous systems were examined in 390 fetuses with two-dimensional ultrasonography, color, and spectral Doppler imaging. Fetuses suspected to have anomalies of the portal system and ductus venosus were additionally examined with three-dimensional power Doppler ultrasonography.
Vascular anomalies were identified in 8 fetuses (absent ductus venosus, n=4; direct connection between the umbilical vein and the right atrium, n=2; and direct connection between the umbilical vein and the inferior vena cava, n=2) out of the 310 in which the venous system could be adequately imaged (prevalence=2.6%). Three-dimensional power Doppler imaging showed the course of the umbilical vein, its relationship to the portosystemic circulation, and whether a ductus venosus was present.
Three-dimensional power Doppler ultrasonography can be used to image normal fetal hepatic and portal circulation, as well as identify anomalies of the fetal portosystemic and umbilical venous systems.
本研究旨在描述使用三维能量多普勒超声检查来识别胎儿门静脉系统和脐静脉系统的血管先天性异常。
在一项前瞻性研究中，对390例胎儿进行二维超声检查、彩色及频谱多普勒成像，观察其肝静脉和脐静脉系统。对怀疑有门静脉系统和静脉导管异常的胎儿，另外进行三维能量多普勒超声检查。
在310例静脉系统能够充分成像的胎儿中，发现8例血管异常（静脉导管缺如4例；脐静脉与右心房直接相连2例；脐静脉与下腔静脉直接相连2例）（患病率=2.6%）。三维能量多普勒成像显示了脐静脉的走行、其与门静脉系统循环的关系以及静脉导管是否存在。
三维能量多普勒超声可用于显示正常胎儿肝脏和门静脉循环，以及识别胎儿门静脉系统和脐静脉系统的异常。
