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  • Title: [Histopathological investigation of the transjugular intrahepatic portocaval shunt (TIPS)].
    Author: Ziarkiewicz-Wróblewska B, Wróblewski T, Górnicka B, Michałowicz B, Rowiński O, Bogdańska M, Krawczyk M.
    Journal: Przegl Lek; 2001; 58(11):992-4. PubMed ID: 11987842.
    Abstract:
    The aim of the study was to investigate the histological structure of the artificial channel connecting one of the portal vein branches with the hepatic vein, as an effect of the transjugular intrahepatic portosystemic shunt (TIPS). The livers of six patients were investigated. In 4 of them recurrent variceal bleedings were an indication for TIPS, in the remaining 2 patients--intractable ascites. In all cases portal hypertension was due to liver cirrhosis. All patients were estimated as Child-Pugh group C. The period from the stent implantation to the moment of investigation ranged from 1 to 7 months. 2 livers were removed at the time of liver transplantation, 4 were procured at the autopsy. All shunts were patent and in none of the 6 cases dislocation of the stent occurred. The wall of the intrahepatic shunts was lined by a granulation tissue (pseudointima) covered with a layer of endothelial cells. No thrombosis, mechanical damage of the stent or extensive hypertrophy of pseudointima were found.
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