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[Budd-Chiari syndrome with thrombosis of the inferior vena cava. Treatment by mesenterico-innominate shunt].

We report two cases of patients, 12 and 28 years old, suffering from a Budd-Chiari syndrome with a thrombosed inferior vena cava, who were treated by a shunt interposed between the superior mesenteric vein and the left innominate vein. The aim of this shunt was to avoid pericardiotomy in these patients with peroperative ascites, in order to reduce the risk of pericarditis after surgery. A reinforced polytetrafluoroethylene prosthesis (Gore-Tex) was used, associated with an interposition jugular vein graft in the 12-year old child, alone in the other case. The left innominate vein was isolated through a midline sternotomy, and the prosthesis was placed in a retrosternal position. Operation and postoperative course were uneventful. All signs of ascites disappeared. The patients were free of symptoms, 8 and 4 months after surgery respectively. Shunt patency was documented by angiography and magnetic nuclear resonance.