Esophagogastric variceal bleeding in cirrhotic portal hypertension:consensus on prevention and management(2008)

摘要

@@ Portal hypertension is a clinical syndrome which is a consequence of a pathological increase in portal vein pressure due to various causes,liver cirrhosis being the most common.The basic pathophysioiogical characteristic of portal hypertension is resistance to portal vein flow or an increase in portal vein flow,which results in elevation of ressure in the portal vein and its tributaries and the formation of collateral circulation.Portal hypertension is manifested as a clinical syndrome including ascites,hepatoencephalopathy,esophagogastric variceal bleeding (EVB),etc.Among these manifestations,EVB has the highest mortality which is also one of the most common emergencies of the digestive system.