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  • Title: Combined small bowel and reduced liver transplantation in pigs.
    Author: Calleja Kempin J, Martín Cavanna J, Vázquez Estevez J, Alvarez E.
    Journal: Rev Esp Enferm Dig; 1997 May; 89(5):375-84. PubMed ID: 9190143.
    Abstract:
    PURPOSE: Small bowel transplantation is a last resort treatment for intestinal insufficiency. Although the disorder is occasionally associated with chronic hepatopathy of variable severity, it may require simultaneous liver transplantation. We present a new model of heterotopic small bowel and reduced partial liver transplantation to an infrahepatic site. SUBJECTS AND METHODS: "Mini-pig" breed pigs weighing 28 to 35 kg were divided into four experimental transplant groups: intestine only (IO) without immunosuppression (group 1A, n = 11); IO with immunosuppression (group 1B, n = 10); intestine + reduced liver (IRL) without immunosuppression (group 2A, n = 12); IRL with immunosuppression (group 2B, n = 10). RESULTS: Overall mortality from technical causes (first 3 days) was 23/43 animals (53.4%). All animals in group 1A displayed rejection, which was the main cause of death. Rejection occurred in 1 animal in each of the other three groups. CONCLUSIONS: Heterotopic small bowel-reduced liver transplant is a multivisceral model that has the technical advantage of not requiring hepatectomy, and the immunological advantages of delayed appearance of acute rejection and the possibility of reducing immunosuppression during the first postoperative days.
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