Hypoprothrombinemia

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Hypoprothrombinemia
Classification and external resources
ICD-9 286.3, 776.3
eMedicine ped/1133 
MeSH D007020

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Hypoprothrombinemia

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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 or it may be acquired as the result of another disease process, or 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

  1. 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.
  2. 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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Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .