Difference between revisions of "Hypercoagulable state (thrombophilia)"

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Revision as of 04:27, 23 January 2018

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Inherited thrombophilias

  • Prothrombin gene mutation (G20210A)
  • Factor V Leiden mutation
  • Antithrombin III deficiency
  • Protein C deficiency
  • Protein S deficiency
  • Dysfibrinogenemia

Controversial:

  • Plasminogen deficiency
  • Factor XII deficiency

Acquired thrombophilias and clotting risk factors

  • Surgery, foreign bodies such as venous catheters, smoking, obesity, elevated factor VIII, advanced age, male sex, trauma, sedentary state, immobilization, malignancy, myeloproliferative disorders-- polycythemia vera (PV), essential thrombocythemia (ET), primary myelofibrosis (PMF), pregnancy, medications--e.g. Bevacizumab (Avastin), Lenalidomide (Revlimid), Thalidomide (Thalomid), Tamoxifen (Nolvadex), oral contraceptive use, heparin--in the case of heparin-induced thrombocytopenia/thrombosis (HIT), congestive heart failure, anatomic/low cardiovascular flow states--e.g. inferior vena cava (IVC) abnormalities, chronic inflammation, inflammatory bowel disease, nephrotic syndrome, paroxysmal noctural hemoglobinuria (PNH)
  • Prior venous thromboembolism (VTE)
  • Antiphospholipid antibody syndrome (APS)
    • Lupus anticoagulant: dilute Russell viper venom time (dRVVT), dilute activated partial thromboplastin time (dAPTT), Staclot LA (hexagonal phase phospholipids), Kaolin clotting time (KCT)
    • Anticardiolipin (aCL) antibody IgG, IgM, IgA
    • Beta 2 glycoprotein 1 (B2GP1) IgG, IgM, IgA
    • Sapporo criteria for APS

References