What is the prognosis (outlook) for patients who have Budd-Chiari syndrome?

What is the prognosis (outlook) for patients who have Budd-Chiari syndrome?

Without treatment, people who have a completely blocked hepatic vein can die of liver failure within three years. Survival in this case is improved with liver transplantation. People who have partially blocked veins can live longer, but the life expectancy is different for each person.