<unk>  is abnormally increased portal venous pressure – blood pressure in the portal vein and its branches, that drain from most of the intestine to the liver.<unk>  is defined as a hepatic venous pressure gradient greater than 5 mmHg. Cirrhosis (a form of chronic liver failure) is the most common cause of<unk> ; other, less frequent causes are therefore grouped as non-cirrhotic<unk> . When it becomes severe enough to cause symptoms or complications, treatment may be given to decrease<unk>  itself or to manage its complications.
Portal hypertension
Hypertensive heart disease
Orthostatic hypertension
Pulmonary hypertension
Portopulmonary hypertension
Secondary hypertension
Portal vein thrombosis
Nephrotic syndrome