Surgical technique for combined liver/intestine transplantation in rats

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Abstract
Simultaneous liver transplantation may reduce the risk of intestinal transplant rejection. We have recently developed two new models of combined liver/intenstine transplantation (LIT) in the rat to study this phenomenon. Herein, we report our experience with LIT using a single donor (SD) or multiple donors (MD). Large volumes of fluid were required to prevent a drop in the mean arterial pressure during the anhepatic phase in the SD recipients. Many of the SD recipients died of intraoperative hypovolemic shock (57%). The MD recipients had a shorter anhepatic time (12 ± 1 minutes vs.17 ± 2 minutes; PPP<0.01). The long‐term survival rate using MD was 71% at 1 month. Graft function was normal in the long‐term survivors. LIT with MD provides a good model to study the immunological effects of multivisceral grafting.