The changes of portal system hemodynamics in 32 patients with liver cirrhosis were observed by Doppler ultrasonography and their plasma endothelin levels in peripheral blood were detected with RIA.

• 运用彩色多普勒超声观察32例肝硬化患者门脉系统血流动力学的变化,采用放免法对肝硬化患者外周血浆内皮素含量进行检测,分析门脉血流动力学指标与内皮素的相关性。