What causes sinusoidal obstruction syndrome?
Causes of Sinusoidal Obstruction Syndrome Common causes include the following: Ingestion of pyrrolizidine alkaloids, which are found in crotalaria and senecio plants (used in Jamaica to make herbal tea) and in other herbs, such as comfrey (see Medicinal herbs and the liver. (See also Drugs and the Liver.)
What drugs cause VOD?
Drugs. Agents that cause SOS include cancer chemotherapeutic agents, particularly the alkylating agents such as busulfan, cyclophosphamide, melphalan, carmustine (BCNU), thiotepa, dacarbazine, and the platinum coordination complexes – carboplatin, cisplatin and oxaliplatin.
Is veno-occlusive disease fatal?
In most cases, VOD is not severe, and the damage to the liver can be reversed. But serious VOD can be life-threatening.
What is sinusoidal obstructive syndrome?
Sinusoidal obstruction syndrome (SOS) is characterized by damage to small hepatic vessels affecting particularly sinusoidal endothelium. Damaged sinusoids can be associated with a partial or complete occlusion of small hepatic veins, hence the previous denomination of hepatic veno-occlusive disease (VOD).
How is VOD diagnosed?
The gold standard for VOD diagnosis is histologically through a liver biopsy. However, the test can be dangerous in transplant recipients who are neutropenic or thrombocytopenic. Ultrasound is sometimes used as an alternative, but findings may be vague.
Can VOD be cured?
Supportive care: In patients with mild VOD, treatment is not necessary and VOD resolves on its own. For patients with moderate or severe VOD, diuretics and sodium restriction help to prevent fluid overload. Blood transfusions may be needed when hemoglobin levels are low.
What are the symptoms of VOD?
Symptoms of VOD include:
- jaundice. Close. jaundice. A condition in which the skin and whites of the eyes become yellow and urine is dark yellow.
- liver tenderness (under the ribs on the right side of the body)
- ascites. Close. ascites. Abnormal buildup of fluid in the abdomen.
- sudden weight gain.
- liver enlargement.
- liver failure.
How do I stop VOD?
Although VOD may improve in some patients, severe cases are often fatal. There is no established therapy to prevent progression to severe VOD; nor are there any conclusive or universally accepted methods for prevention of mortality associated with severe VOD.
What causes sinusoidal dilatation liver?
Hepatic sinusoidal dilatation refers to the enlargement of the hepatic capillaries. Most of the time this condition is caused by hepatic venous outflow obstruction, which results in vascular stasis and congestion of hepatic parenchyma.