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Budd-Chiari syndrome

Orpha number ORPHA131
Synonym(s) -
Prevalence 1-9 / 100 000
Inheritance
  • Multigenic/multifactorial
Age of onset Variable
ICD-10
  • I82.0
OMIM
UMLS
  • C0856761
MeSH
  • D006502
MedDRA
  • 10006537
SNOMED CT
  • 38739001
  • 82385007

Summary

Budd-Chiari syndrome (BCS) is caused by obstruction of hepatic venous outflow involving either the hepatic veins or the terminal segment of the inferior vena cava. Prevalence remains largely unknown but estimates range between 1/50,000 and 1/100,000. The obstruction leads to hepatic congestion and ischemic necrosis. Severity depends on the speed of onset and extent of the obstruction. Obstructions are generally caused by thrombosis (primary BCS). With time, thrombi reorganise to form a fibrous tissue that leads either to localised stenosis of the thrombotic vein or to diffuse obliteration resulting in its transformation into fibrous cords. Localised stenoses may present as the appearance of a membrane-like structure. Secondary BCS results from tumour invasion into the lumen or compression of the vein by an expansive lesion. The principle manifestations of BCS are ascites (which are often massive and intractable) leading to undernutrition and renal insufficiency, gastrointestinal haemorrhage due to portal hypertension, and hepatic insufficiency resulting in encephalopathy and severe infections. However, asymptomatic forms have also been reported. Primary BCS is associated with a combination of factors that lead to a susceptibility for venous thrombosis: primary myeloproliferative syndromes (present in 50% of cases and manifesting as a 'forme fruste' or atypical forms of the disease, but identified through detection of a mutation in the JAK2 gene), Factor V Leiden thrombophilia, protein C deficiency, antiphospholipid syndrome, Behcet disease, paroxysmal nocturnal haemoglobinuria (see these terms), use of oestrogen-progesterone oral contraceptives and inflammatory colitis. Diagnosis can usually be established by non-invasive means through imaging of the hepatic veins and the inferior vena cava (Doppler ultrasound, tomodensitometry and MRI) but requires a radiologist with sufficient experience and with an awareness of the potential diagnosis. Hepatic venography or cavography, and liver puncture biopsy are not usually necessary. The natural course of the disease is very severe (less than 10% of patients survive for more than 3 years without treatment). At present, when the diagnosis is made quickly and treatment is initiated rapidly, the survival rate is 90% at 5 years. Treatment approaches include correction of the factors leading to an increased risk of thrombosis, long term anticoagulant therapy, recanalisation of the obstructed veins by interventional radiology, TIPS (transjugular intrahepatic portosystemic shunt) and liver transplantation in case failure of other treatment methods. The long term prognosis depends on the associated risk factors for thrombosis.

Expert reviewer(s)

  • Pr Dominique-Charles VALLA

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Detailed information

Summary information
Review article
  • EN (2008,pdf)
Clinical practice guidelines
  • EN (2009)
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