Hypoprothrombinemia
| Hypoprothrombinemia | |
|---|---|
| Specialty | Hematology  |
Hypoprothrombinemia is a blood disorder in which a deficiency of prothrombin (Factor II) results in impaired blood clotting, leading to an increased physiological risk for bleeding, especially in the gastrointestinal system, cranial vault, and superficial integumentary system.
Causes
Hypoprothrombinemia can be the result of a genetic defect, may be acquired as the result of another disease process, or may be an adverse effect of medication. For example, 5-10% of patients with systemic lupus erythematosus exhibit acquired hypoprothrombinemia due to the presence of autoantibodies which bind to prothrombin and remove it from the bloodstream (lupus anticoagulant-hypoprothrombinaemia syndrome).[1]
Treatment
Hypoprothrombinemia can be treated with periodic infusions of purified prothrombin complexes.[2]
References
- ^ Bajaj S, Rapaport S, Fierer D, Herbst K, Schwartz D (1983). "A mechanism for the hypoprothrombinemia of the acquired hypoprothrombinemia-lupus anticoagulant syndrome". Blood. 61 (4): 684–92. PMID 6403077.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ Lechler E (1999). "Use of prothrombin complex concentrates for prophylaxis and treatment of bleeding episodes in patients with hereditary deficiency of prothrombin, factor VII, factor X, protein C protein S, or protein Z.". Thromb Res. 95 (4 Suppl 1): S39–50. doi:10.1016/S0049-3848(99)00083-3. PMID 10499908.
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