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  • Title: Fibrinopeptide A in liver cirrhosis: evidence against a major contribution of disseminated intravascular coagulation to coagulopathy of chronic liver disease.
    Author: Mombelli G, Fiori G, Monotti R, Haeberli A, Straub PW.
    Journal: J Lab Clin Med; 1993 Jan; 121(1):83-90. PubMed ID: 8426084.
    Abstract:
    To test the hypothesis that disseminated intravascular coagulation contributes to hemostatic failure in liver cirrhosis, fibrinopeptide A and fibrin(ogen) degradation fragment E were measured in 69 patients with stable liver cirrhosis and compared with fibrinopeptide A and fibrin(ogen) degradation fragment E in 32 healthy subjects, 33 patients with thromboembolism, and 10 patients with hypofibrinogenemic disseminated intravascular coagulation. Mean fibrinopeptide A in cirrhosis was slightly increased compared with healthy subjects (2.4 vs. 1.8 ng/ml, p < 0.005), but fourfold lower than in thromboembolism (mean fibrinopeptide A 9.7 ng/ml; p < 0.0001), and tenfold lower than in disseminated intravascular coagulation (mean FPA 24.3 ng/ml; p < 0.0001). Single fibrinopeptide A levels in cirrhosis were within the normal range in 75% of the patients, marginally increased in 9%, and definitely increased in 16%. A definite increase in both fibrinopeptide A and fibrin(ogen) degradation fragment E, which characterized the groups of patients with thromboembolism and disseminated intravascular coagulation, was found in 10% of the cirrhotic patients. Among 17 patients with cirrhosis and hypofibrinogenemia, mean fibrinopeptide A (2.7 ng/ml) was tenfold lower compared with mean fibrinopeptide A in patients with hypofibrinogenemic disseminated intravascular coagulation (p < 0.0001), whereas the frequency of increased single fibrinopeptide A levels (29%) was not significantly different compared with the 52 cirrhotic patients without hypofibrinogenemia (single levels elevated in 23% of the cases). Moreover, the frequency of hypofibrinogenemia, thrombocytopenia, or abnormal clotting times was not significantly different in cirrhotic patients with normal fibrinopeptide A level when compared with cirrhotic patients with increased fibrinopeptide A. These findings do not support an important contribution of disseminated intravascular coagulation to coagulopathy of liver cirrhosis.
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