6 research outputs found
Preoperative alpha-fetoprotein slope is predictive of hepatocellular carcinoma recurrence after liver transplantation
BACKGROUND: Liver transplantation (LT) offers a possible cure for patients with hepatocellular carcinoma (HCC) and cirrhosis. However, tumour progression while on the waiting list and tumour recurrence after LT are common. The prognostic significance of various pre- and postoperative variables were investigated in regard to tumour recurrence, with an emphasis on the slope of preoperative serum alpha-fetoprotein (AFP) levels
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Aberrations in hemostasis and coagulation in untreated discordant hepatic xenotransplantation: Studies in the dog-to-pig model
Discordant liver xenotransplantation is a poorly explored entity. Data from the few large animal studies of hepatic xenotransplantation suggest that severe hemorrhage is encountered. The purpose of the studies described here is to characterize the nature of the hemorrhage that accompanies liver xenotransplantation. Canine livers were transplanted into porcine recipients, and lethal hemorrhage was encountered. Analysis of recipient blood showed that factors V, IX, and X were present in adequate levels until after the hemorrhage appeared, suggesting that coagulation factor loss was the result and not the cause of hemorrhage. Platelet counts decreased dramatically in recipients within minutes of graft reperfusion. There also was no evidence of clotting activity in the blood of recipients of liver xenografts within minutes of graft reperfusion. This loss of clotting activity was specific to liver xenografts, was not seen in renal xenografts with or without venovenous bypass, and also was absent in pig-to-pig liver allografts. In brief, the hemorrhage that accompanies liver xenotransplantation occurs because of a decrease in the number and function of circulating platelets in the recipient. (Liver Transpl 2002;8:153-159.
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