Portal vein thrombosis (PVT) is a blood clot of the portal vein, also known as the hepatic portal vein. This vein allows blood to flow from the intestines to the liver. A PVT blocks this blood flow. Although PVT is treatable, it can be life-threatening.
Blood clots are more likely to form when the blood flows irregularly in the body. While doctors typically don’t know what causes portal vein thrombosis, there are a number of risk factors for developing this condition. Some of the most common include: