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  • Title: Investigation of passive venovenous shunts during the anhepatic period of canine hepatic transplantation.
    Author: Van Voorst SJ, Peters TG, Buice RG, Maijub G, Britt LG, Pate JW.
    Journal: Am Surg; 1988 Aug; 54(8):513-6. PubMed ID: 3293490.
    Abstract:
    The anhepatic period of canine orthotopic hepatic transplantation is usually accompanied by cardiovascular instability due to occlusion of both the portal and inferior systemic venous systems. The present study was undertaken in order to determine some of the hemodynamic and renal alterations that occur during a 2 hour anhepatic period in the dog and to investigate the use of a passive endoportal, endocaval venovenous shunt that places both the portal and infrahepatic vena caval limbs of the shunt directly into the divided ends of these vessels. Three groups of experimental animals were studied. One group had hepatectomy without a shunt and was compared with two other groups which had hepatectomy with some form of venovenous shunting. Systemic arterial blood pressure, portal and inferior vena caval pressure, urinary output, and renal histology were all better maintained when a shunt was used.
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