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Hepatic venous outflow obstruction in Nepal.

Intra hepatic inferior venacaval (IVC) obstruction at the site or just above hepatic vein opening in the IVC, is a common hepatic problem in Nepal. These patients either present as a chronic IVC obstruction with insidious onset or may present with rapid onset disease (acute/subacute disease). The former type may be asymptomatic (20%) or may have features of chronic liver dysfunction. The latter presents with rapid onset ascites. Presence of hepatomegaly with flank/back veins are characteristic clinical features of the disease. The disease is invariably encountered amongst rural poor, alcoholic and in the peripartum period. Ultrasonography, IVC graphy hepatogram and liver biopsies are the usual diagnostic modalities. Twenty four percent of the 126 chronic hepatic IVC disease had associated liver cell cancer at our centre. The aetiology of the disease is unclear. Presently it is believed that local thrombophlebitis in IVC causes such obstruction. Despite, surgical and radiological intervention, the ideal management in such patients is yet to be established. We believe conservative therapy, particularly prevention and early therapy of sepsis in such patients prolongs survival.