Abstract
A revised method of the upper caval anastomosis in canine orthotopic liver transplantation is described. It uses the recipient retrohepatic inferior vena cava below the suprahepatic veins for vascular suturing. Ten consecutive operations were performed to assess the feasibility of this method, with special reference to the outflow obstruction at the level of the suprahepatic inferior vena cava. Seven of 10 dogs survived more than 6 days. The cause of death was not related to the outflow obstruction in any instance. Regardless of the duration of survival, free hepatic vein pressures as well as portal vein pressures of all dogs remained in the physiological range even after the skin closures. Based on these observations, we conclude that this approach is safe and reproducible in experimental transplantation of the canine liver.
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