Portacaval shunt

Surgical shunt to divert blood

A portacaval shunt, portocaval shunt, or portal-caval shunt is a treatment for portal hypertension. A connection is made between the portal vein, which supplies 75% of the liver's blood, and the inferior vena cava, the vein that drains blood from the lower two-thirds of the body. The most common causes of liver disease resulting in portal hypertension are Budd–Chiari syndrome or cirrhosis. Budd–Chiari syndrome should not be mistaken for cirrhosis.

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