门脉高压症(portal hypertension,PHT)是一种以门静脉系统血流动力异常为特征的临床综合征,主要表现为门静脉压力的异常增高、脾大、腹水和门体侧支循环形成等,是一种常见病、多发病。1门脉高压症的发病机制门脉高压产生的原因很多,最主要的是慢性肝病和急性肝损害,尤其肝硬化 Portal hypertension (portal hypertension, PHT) is a clinical syndrome characterized by abnormalities of the portal system hemodynamics, mainly manifested as abnormally elevated portal pressure, splenomegaly, ascites and portal collateral circulation formation, etc. A common disease, frequently-occurring disease. 1 Pathogenesis of portal hypertension portal hypertension for many reasons, the most important are chronic liver disease and acute liver damage, especially cirrhosis