​Surgery Definition – What are the post hepatic causes of portal hypertension? 

​Surgery Definition – What are the post hepatic causes of portal hypertension? 
The post hepatic causes of portal hypertension involve the inferior vena cave such as right heart failure, Budd Chiari Syndrome, obstruction of the inferior vena cava obstruction, tricuspid regurgitation, constrictive pericarditis and arterial portal venous fistula.