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  • Title: [Experimental model of auxiliary heterotopic liver-intestinal transplantation].
    Author: Bueno J, López E, Centeno A, Ramil C, García-Alonso L, Pais E, Filgueira P, Arnal F, Gómez M, Buitrón JG.
    Journal: Cir Pediatr; 2004 Oct; 17(4):195-8. PubMed ID: 15559207.
    Abstract:
    In pigs, orthotopic liver-intestine transplantation (LITX) has high per operative morbidity and mortality. It is due to hemodynamic, coagulation and metabolism disorders during native liver hepatectomy (total hepatic vascular exclusion) and the postoperative diarrhea secondary to initial dysfunction of the graft and enterectomy of native intestine. To avoid those disturbances and to increase the survival, we have developed a porcine model of auxiliary heterotopic LITX. The allograft was harvested in-bloc, containing the liver, duodenum, pancreas, and jejunum. In the recipient, the liver and intestine were left intact. The allograft was implanted heterotopically, caudal to the native liver. Venous drainage was achieved with anastomosis of donor (D) to recipient (R) infrahepatic cava; and arterialization with anastomosis of D aortic conduit containing the celiac axis and SMA to infra-renal R aorta. The D jejunum was hooked-up to R jejunum. The experiment was performed in 16 animals without intraoperative deaths, hemodynamic stability and no blood requirements. Four animals were left alive 7 days with functioning grafts, suggesting the model viability.
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