Portal Hypertension Definition
Portal hypertension is the medical term for elevated blood pressure with the major vein of the liver, the hepatic portal vein. Although it is most commonly caused by liver cirrhosis, it can be due to a number of other causes that may not even involve the liver. Therefore portal hypertension is an important clinical sign of a wide range of diseases. In the long term, the prolonged hypertension can cause a host of complications within the liver and entire body, some of which can be life threatening.