Budd-Chiari syndrome



Budd-Chiari syndrome

Definition

Hepatic vein obstruction refers to a blockage of the hepatic vein, which carries blood away from the liver.

Alternative Names

Budd-Chiari syndrome; Hepatic veno-occlusive disease

Causes

Hepatic vein obstruction prevents blood from flowing out of the liver and back to the heart. This blockage can cause liver damage. Obstruction of this vein can be caused by masses pressing on the vessel (tumor) or by thrombus

Most often, it is caused by conditions that increase the body's propensity to form blood clots. These include:

  • Any of a number of hereditary or acquired clotting abnormalities
  • Myeloproliferative disorders -- abnormal proliferation of cells from the bone marrow
  • Chronic inflammatory or autoimmune diseases
  • Cancers
  • Oral contraceptives and pregnancy
  • Infections

Symptoms

  • Right-sided abdominal pain and a large liver
  • Jaundice (yellowing of the skin)
  • Ascites (swelling of the abdomen due to the development of fluid in the abdomen)
  • Vomiting blood

Exams and Tests

  • Elevated results of liver function tests
  • Ultrasound of the liver
  • CT scan or MRI of the abdomen
  • Liver biopsy

Treatment

Treatment varies, depending on the cause of the obstruction, and may include the following:

  • Medical therapy for symptoms
  • Anticoagulation medications
  • Surgical interventions
  • Radiological procedures

Possible Complications

Hepatic vein obstruction can progress to liver failure, which can be fatal.

When to Contact a Medical Professional

Call your health care provider if you have symptoms of hepatic vein obstruction or if you are undergoing treatment and any new symptoms develop.

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