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多普勒超声是一种简便、无创伤、无放射性的检测方法,能在生理状态下动态适时显示门静脉血管形态,直观血流方向,较精确地检测和计算血流量,易于重复进行、动态观察,特别适于临床研究血流动力学的变化[1],该方法测定门静脉主干血流不受肝内分流的影响,不受肝脏摄取功能的影响,近
Doppler ultrasound is a simple, noninvasive, non-radioactive detection method that can dynamically and timely display the morphology of the portal vein in the physiological state, visualize the direction of the blood flow, detect and calculate the blood flow more accurately, and is easy to repeat and observe dynamically , Especially suitable for clinical study of hemodynamic changes [1], the method of determination of portal vein blood flow from the liver shunt, not affected by the liver uptake function, near