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Lookup NU author(s): Professor Quentin AnsteeORCiD
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Decreased levels of most coagulation factors and thrombocytopenia are the main haemostatic abnormalities of cirrhosis. As a consequence, this condition was, until recently, considered as the prototype acquired coagulopathy responsible for bleeding. However, recent evidence suggests that it should, rather, be regarded as a condition associated with normal or even increased thrombin generation. The bleeding events that occur in these patients should, therefore, be explained by the superimposed conditions that frequently occur in this setting. Due to elevated levels of factor VIII (procoagulant driver) in combination with decreased protein C (anticoagulant driver), which are typically found in patients with cirrhosis, a procoagulant imbalance, defined as a partial resistance to the in vitro anticoagulant action of thrombomodulin, can be demonstrated. Whether this in vitro hypercoagulability is truly representative of what occurs in vivo remains to be established. However, the hypothesis that it may have clinical consequences is attractive and deserves attention. The possible consequences that we discuss herein include whether (i) cirrhosis is a condition associated with increased risk of venous thromboembolism or portal vein thrombosis; (ii) the hypercoagulability associated with cirrhosis has any other role outside coagulation (i. e. progression of liver fibrosis); and (iii) anticoagulation should be used in cirrhosis. Although apparently provocative, considering anticoagulation as a therapeutic option in patients with cirrhosis is now supported by a rationale of increasing strength. There may be subgroups of patients who benefit from anticoagulation to treat or prevent thrombosis and to slow hepatic fibrosis. Clinical studies are warranted to explore these therapeutic options.
Author(s): Tripodi A, Anstee QM, Sogaard KK, Primignani M, Valla DC
Publication type: Review
Publication status: Published
Journal: Journal of Thrombosis and Haemostasis
Year: 2011
Volume: 9
Issue: 9
Pages: 1713-1723
Print publication date: 02/09/2011
ISSN (print): 1538-7933
ISSN (electronic): 1538-7836
Publisher: WILEY-BLACKWELL
URL: http://dx.doi.org/10.1111/j.1538-7836.2011.04429.x
DOI: 10.1111/j.1538-7836.2011.04429.x
