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Establishment of a pig model with enteric and portal venous drainage of pancreatoduodenal transplantation

World Journal of Gastroenterology 2005年第35期11卷 5475-5479页

作者： Zhao-Da Zhang Fang-Hai Han Ling-Xiang Meng Third GeneralDepartment West China Hospital of Sichuan University Chengdu610041 Sichuan Province China

AIM： To establish the pig model of pancreatoduodena transplantation with enteric drainage （ED） and porta venous drainage （PVD）. METHODS： Forty-six hybrid Landrace pigs were divided into two groups （donors and recipients） randomly, and pancreatoduodenal allotransplantation was performed. Donors were perfused via abdominal aorta without clamping the portal venous outflow with UW solution at 80-100 cm H2O after heparinization. Whole pancreatoduodenal grafts were harvested with segments of abdominal aorta and portal vein, and shaped under 4℃ UW solution. Then, end-to-end anastomosis was performed with the donor iliac artery bifurcation Y graft to the recipient superior mesenteric artery and celiac artery. Furthermore, type I diabetes model was made by removal of the recipient pancreas. The venous anastomosis was reconstructed between the donor portal vein and the recipient superior mesentery vein. Meanwhile, end-toside anastomosis was performed with the donor common iliac artery bifurcation Y graft to the recipient abdominal aorta, and side-to-side intestinal anastomosis was performed between the donor duodenum and the recipient jejunum. External jugular vein was intubated for transfusion. Levels of plasma glucose, insulin and glucagon were measured during the operation and on the 1^st 3^rd 5^th and 7^th d after operation. RESULTS： Pancreatoduodenal allotransplantation was performed on 23 pigs of which 1 died of complication of anesthesia. The success rate of operation was 95.6%. Complications of operation occurred in two cases in which one was phlebothrombosis with an incidence of 4.6%, and the other was duodenojejunal anastomotic leak with an incidence of 4.6%. The level of plasma glucose decreased within 30 min, after removal of pancreas and recovered on the 2^nd after operation. The level of plasmainsulin and glucagon increased within 30 min after removal of pancreas and recovered on the 2^nd d after operation. Rejection occurred on the 1^st and reached the worst le

关键词： Pancreatoduodenal transplantation entericdrainage Portal venous drainage

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