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'''''Synonyms and Keywords:''''' VOD, sinuosoidal obstruction syndrome
'''''Synonyms and Keywords:''''' VOD, sinuosoidal obstruction syndrome
==Overview==
==Overview==
Veno-occlusive disease (VOD) is a disease of the liver in which the veins in the liver are obstructed or blocked.  VOD is a complication that occurs in up to 25% of [[bone marrow transplant]]ations, and may also occur after ingestion of certain plant [[alkaloids]].
Veno-occlusive disease (VOD) is a disease of the liver in which the veins in the liver are obstructed or blocked.  VOD is a complication that occurs in up to 25% of [[bone marrow transplant]]ations, and may also occur after ingestion of certain plant [[alkaloids]].

Revision as of 15:42, 3 September 2011

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Synonyms and Keywords: VOD, sinuosoidal obstruction syndrome

Overview

Veno-occlusive disease (VOD) is a disease of the liver in which the veins in the liver are obstructed or blocked. VOD is a complication that occurs in up to 25% of bone marrow transplantations, and may also occur after ingestion of certain plant alkaloids.

Prognosis

When associated with bone marrow transplant, VOD is fatal in over 30% of cases. Cases due to plant alkaloids often have a longer and more unpredictable course.

Diagnosis

Symptoms

Physical Examination

Abdominal Examination

Laboratory Studies

Pathophysiology

In the BMT setting, VOD is felt to due to injury to the hepatic venous endothelium from the conditioning regimen. It is also known as sinuosoidal obstruction syndrome.

Treatment

Treatment for VOD is primarily supportive. In the BMT setting, defibrotide is an investigational treatment that may be promising. Defibrotide is a polydeoxyribonucleotide; its mechanism of benefit in VOD is unclear, but has been attributed to its antithromboitc properties.

Sources

Kumar, V., Abbas, A. and N. Fausto. 2004. Robbins & Cotran Pathologic Basis of Disease. Philadelphia: W. B. Saunders Company.

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