The Phase Gate Review methodology improves project effectiveness by reviewing all stages of the project from the initial selection process through the entire process of development to the final stages of closure.
Idiopathic hypertension redirects here. For the condition of raised blood pressure within the skull, see Idiopathic intracranial hypertension. Essential hypertension (also called primary hypertension or idiopathic hypertension) is the form of hypertension that by definition has no identifiable cause.
What causes portal hypertension? The most common cause of portal hypertension is cirrhosis of the liver. Cirrhosis results from scarring of liver injuries caused by hepatitis, alcohol abuse or other sources of damage. In cirrhosis, scar tissue blocks the flow of blood through the liver.