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Hernando Tutassaura, MD; Ronald J. Baird, MD

AMA Arch Surg. 1972;104(5):696-701.

Abstract
Arterialization of the portal venous system was produced in 25 dogs by a prosthetic graft from the aorta to the proximal stump of the portal vein, after completion of an end-to-side portacaval shunt. Pressures and flows were measured. The reduction in total liver flow that follows a portacaval shunt was aggravated by an immediate 15% to 50% decrease in hepatic artery flow. There was a gradual increase in hepatic artery flow up to the fifth postoperative day. After arterialization of the portal system, the flow through the aorta-portal graft remained constant throughout an 80-day follow-up period. The 68% (17) of the dogs that survived the procedure were those in which the total liver flow was restored approximately to preoperative levels.

Author Affiliations
Toronto

From the Department of Surgery of Toronto Western Hospital and University of Toronto.

Footnotes
Accepted for publication Dec 30, 1971.

Reprint requests to Department of Surgery, St. Paul's Hospital, 1081 Burrard St, Vancouver, British Columbia, Canada (Dr. Tutassaura).

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