Abstract
The origin of coagulation and fibrinolysis abnormalities in cancer patients is unknown. The aim of this study was to measure markers of coagulation and fibrinolysis in portal and peripheral blood from patients with and without gastric malignancy. Blood samples were drawn from the portal vein and a peripheral vein in 39 patients undergoing elective gastric surgery, 18 for gastric malignancy and 21 for benign disorders, and analyzed for prothrombin fragment 1 + 2 (F1 + 2), thrombin-anti-thrombin III complex (TAT), fibrinogen and fibrin degradation products (FgDP, FbDP), and fibrinopeptide A (FpA). In portal blood, levels of F1 + 2, TAT, FpA, FgDP, and FbDP did not differ in the two groups. In peripheral blood, levels of FpA and FbDP were higher in cancer patients, but in a multiple regression model malignancy did not contribute significantly to variation in peripheral FpA or FbDP levels. In both groups FpA levels were higher in portal blood than in peripheral blood.
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