What is the role of hemodynamic dysfunction in the pathogenesis of hereditary and acquired hypercoagulability?

Updated: Jan 05, 2018
  • Author: Paul Schick, MD; Chief Editor: Srikanth Nagalla, MBBS, MS, FACP  more...
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The neutralization of activated factor Xa and thrombin are impaired in antithrombin (AT) deficiency. The formation of activated protein C (APC), which is a key down-regulator of factor V and factor VIII, may be impaired by protein C deficiency or protein S deficiency. Such deficiencies may be hereditary or acquired. [2] The ability of APC to inactivate factor V and factor VII can be impaired in individuals with mutant factor V such as factor V Leiden. This is known as APC resistance. Individuals with a mutant prothrombin (variously termed prothrombin G20210A, prothrombin G2010A, and mutant factor II) generate excess prothrombin that is associated with hypercoagulability.

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