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Portal vein thrombosis seen with computed tomography. Portal vein thrombosis (PVT) is a vascular disease of the liver that occurs when a blood clot occurs in the hepatic portal vein, which can lead to increased pressure in the portal vein system and reduced blood supply to the liver. The mortality rate is approximately 1 in 10.
George Budd. Hans Chiari. Budd–Chiari syndrome is a very rare condition, affecting one in a million adults. [1][2] The condition is caused by occlusion of the hepatic veins (usually due to a blood clot) that drain the liver. The symptoms are non-specific and vary widely, but it may present with the classical triad of :
The portal vein and its branches supply most of the blood and nutrients from the intestine to the liver. [6] Cirrhosis (a form of chronic liver failure) is the most common cause of portal hypertension; other, less frequent causes are therefore grouped as non-cirrhotic portal hypertension.
May–Thurner syndrome (MTS), also known as the iliac vein compression syndrome, [1] is a condition in which compression of the common venous outflow tract of the left lower extremity may cause discomfort, swelling, pain or iliofemoral deep vein thrombosis. Specifically, the problem is due to left common iliac vein compression by the overlying ...
Venous thrombosis is the blockage of a vein caused by a thrombus (blood clot). A common form of venous thrombosis is deep vein thrombosis (DVT), when a blood clot forms in the deep veins. If a thrombus breaks off (embolizes) and flows to the lungs to lodge there, it becomes a pulmonary embolism (PE), a blood clot in the lungs.
Chronic venous insufficiency (CVI) is a medical condition in which blood pools in the veins, straining the walls of the vein. [1] The most common cause of CVI is superficial venous reflux which is a treatable condition. [2] As functional venous valves are required to provide for efficient blood return from the lower extremities, this condition ...
The portal vein or hepatic portal vein (HPV) is a blood vessel that carries blood from the gastrointestinal tract, gallbladder, pancreas and spleen to the liver. This blood contains nutrients and toxins extracted from digested contents. Approximately 75% of total liver blood flow is through the portal vein, with the remainder coming from the ...
Gastric varices. Gastric varices are dilated submucosal veins in the lining of the stomach, which can be a life-threatening cause of bleeding in the upper gastrointestinal tract. They are most commonly found in patients with portal hypertension, or elevated pressure in the portal vein system, which may be a complication of cirrhosis.
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