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本研究采用彩色多普勒超声对５０例正常肝、１７例慢性肝炎、３９例肝硬化门静脉的右前支，左支矢状段，脾门静脉进行血流动力学测定。结果显示慢肝时脾静脉血流量增大非常显著；肝硬化时左支矢状段血流速度和血流量均显著增大，ＶＬＰＶ／ＶＲＡＰＶ、ＱＬＰＶ／ＱＲＡＰＶ比值明显升高。笔者认为多普勒超声对慢肝患者脾静脉血流量的测定可判断门脉压力升高的程度，间接提示肝损害的程度。ＶＬＰＶ／ＶＲＡＰＶ、ＱＬＰＶ／ＱＲＡＰＶ比值的升高为诊断门脉高压症的重要指标之一。
In this study, hemodynamics of 50 cases of normal liver, 17 cases of chronic hepatitis, 39 cases of cirrhosis portal vein right anterior branch, the left branch of the sagittal section, splenic portal vein were measured by color Doppler ultrasound. The results showed that the spleen venous blood flow increased significantly when the slow liver; cirrhosis of the left branch of the sagittal blood flow velocity and blood flow were significantly increased, VLPV / VRAPV, QLPV / QRAPV ratio was significantly higher. I believe that Doppler ultrasound in patients with chronic liver spleen venous blood flow measurement can determine the degree of portal pressure, indirectly suggesting the extent of liver damage. The increase of VLPV / VRAPV, QLPV / QRAPV ratio is one of the important indexes in the diagnosis of portal hypertension.