Methods: With blood gas analysis to determine the blood gas changes of right gastroepiploic arteriovenous parietal branches and the pressure on right gastroepiploic vein in 43 cases of portal hypertension. 方法:用血气分析法观测43例门脉高压症患者股动脉血、胃网膜右动、静脉胃壁支血气变化、胃网膜右静脉压力。
In the operation we observe the portal pressure changes through a tube to right gastroepiploic vein by pressure sensor. 术中由胃网膜右静脉插管、压力传感器动态测量门静脉压力变化。