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Portal blood flow and liver regeneration in auxiliary partial orthotopic liver transplantation in a canine model. 1999

S Yabe, and H Nishizawa, and H Egawa, and H Nakayama, and S Okamoto, and T Kiuchi, and S Uemoto, and K Asonuma, and A M Shapiro, and Y Inomata, and Y Yamaoka, and K Tanaka
Department of Gastroenterological Surgery, Kyoto University Graduate School of Medicine, Kyoto, Japan.

Functional competition has been shown to lead to a detrimental outcome in auxiliary liver transplantation. We evaluated the interaction in auxiliary partial orthotopic liver transplantation between the native liver and the graft in terms of portal flow and regeneration. The need for diversion of the portal flow to the graft was also assessed. Reduced-size liver grafts were transplanted orthotopically after partial hepatectomy in beagles. There were two groups: the preserved group, where portal inflow to the native liver was preserved, and the ligated group, where it was interrupted. Portal flow was measured serially and liver regeneration was evaluated on postoperative day 5. Functional competition was not observed in the preserved group. On the other hand, ligation of the native liver portal vein had no obviously detrimental effects on the remnant native liver. This leads to the conclusion that the portal vein to the native liver can be safely ligated to prevent functional competition.

UI MeSH Term Description Entries
D008026 Ligation Application of a ligature to tie a vessel or strangulate a part. Ligature,Ligations,Ligatures
D008102 Liver Circulation The circulation of BLOOD through the LIVER. Hepatic Circulation,Circulation, Liver,Circulation, Hepatic
D008115 Liver Regeneration Repair or renewal of hepatic tissue. Liver Regenerations,Regeneration, Liver,Regenerations, Liver
D008297 Male Males
D008954 Models, Biological Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment. Biological Model,Biological Models,Model, Biological,Models, Biologic,Biologic Model,Biologic Models,Model, Biologic
D011169 Portal Vein A short thick vein formed by union of the superior mesenteric vein and the splenic vein. Portal Veins,Vein, Portal,Veins, Portal
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D016031 Liver Transplantation The transference of a part of or an entire liver from one human or animal to another. Grafting, Liver,Hepatic Transplantation,Liver Transplant,Transplantation, Hepatic,Transplantation, Liver,Hepatic Transplantations,Liver Grafting,Liver Transplantations,Liver Transplants,Transplant, Liver

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