Extrahepatic portal venous obstruction (EHPVO)

Portal hypertension is defined as a free portal vein pressure in excess of the normal 5-10 mmHg. Portal hypertension represents a dynamic and intricate interaction between the compensatory mechanisms of the body and the prevalent pathology. In western countries, cirrhosis of the liver accounts for more than 90% cases of portal hypertension. In India, extrahepatic portal venous obstruction (EHPVO) is responsible for about one third cases of adults and more than half of the cases in children as a cause of portal hypertension.. This article represents a review of this topic