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  • Title: Relief of hepatic vein stenosis by balloon angioplasty after living-related donor liver transplantation.
    Author: Egawa H, Tanaka K, Uemoto S, Someda H, Moriyasu F, Sano K, Nishizawa F, Ozawa K.
    Journal: Clin Transplant; 1993; 7(4):306-11. PubMed ID: 10146300.
    Abstract:
    We have experienced 5 hepatic vein stenoses in 3 children (8 to 23 months old) after living-related liver transplantation (total 48 liver transplants for 48 children between June 1990 and November 1992). The initial symptoms of hepatic vein stenosis were ascites and/or edema. The blood flow of hepatic vessels was monitored by duplex sonography. The mean velocity of the hepatic vein and the portal vein was decreased and flow wave pattern of the stenotic hepatic vein was flat. The patients were treated by percutaneous transhepatic balloon angioplasty. After a successful angioplasty, the mean velocity of the hepatic vein and portal vein increased and pulsatile waves returned to the hepatic vein. Arterial ketone body ratio (acetoacetate/3-hydroxybutylate) increased, promptly followed by recovery of other liver function tests. In 1 patient, this complication occurred three times with intervals of 7 months and 3 months between episodes of hepatic vein stenosis. In conclusion, hepatic vein flow should be monitored routinely with duplex sonography after living-related donor liver transplantation. Percutaneous transhepatic balloon angioplasty is a primary treatment for the stenosis.
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