The leading cause of portal hypertension is cirrhosis. It can be caused by hepatitis (or alcohol abuse).
Liver diseases such as immunodeficiency hepatitis, cholangitis, and primary biliary cholangitis are also causes of cirrhosis and portal hypertension.
The liver is damaged when it is destroyed. It causes stains. Too much scarring is a risk to your liver.
Other causes of cirrhosis include:
Iron build-up
Cystic fibrosis
Weak bile ducts
Non-alcoholic fatty liver disease
Having a liver infection
Some drugs, such as methotrexate
Cirrhosis portal vein internal walls may be irregular. It can be counterproductive to blood flow resulting in increased blood pressure in the portal vein.
Blood clots form in the portal vein, Which pushes the blood flow against the blood vessel walls.
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