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  • Title: Analysis of elevated fibrin(ogen) degradation product levels in patients with liver disease.
    Author: vanDeWater L, Carr JM, Aronson D, McDonagh J.
    Journal: Blood; 1986 May; 67(5):1468-73. PubMed ID: 2938648.
    Abstract:
    Plasma and serum from patients with liver disease and elevated fibrin(ogen) degradation product (FDP) levels as measured by latex agglutination were analyzed by immunoblotting to characterize the FDP in these patients. An antihuman fibrinogen antibody was used that recognizes fibrinogen, fibrin monomer, soluble high molecular weight fibrinogen and fibrin polymers, as well as high molecular weight cross-linked degradation fragments, and the smaller fragments X, Y, D-dimer, D, and E. The analytic procedures were validated with plasma and serum from patients known to have intravascular fibrinolysis associated either with disseminated intravascular coagulation (DIC) or with thrombolytic therapy. The samples demonstrated a spectrum of plasmin degradation fragments on the immunoblots. Twenty-eight of 35 patients with liver disease (80%) had no evidence of plasmin degradation fragments in their plasma or serum. The cause of the elevated FDP levels as measured by latex agglutination was thought to be fibrin monomer or unclottable fibrinogen that was retained in the sera of some of these patients. Seven patients (20%) were found to have circulating plasmin degradation fragments. In addition to liver disease, however, these patients all had an illness (sepsis, shock, and pancreatic carcinoma) independently associated with intravascular coagulation and fibrinolysis. Three patients who lacked plasmin fragments also had pancreatic carcinoma or sepsis. The two groups of liver disease patients could not be clearly differentiated on the basis of clinical or laboratory evidence, but the blotting procedure proved to be a useful discriminator.
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