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Acquired Hemophilia A: A Case Report

Mark Shen1, Shan Wang1, Julia Sessa2

  • 1Department of Pharmacy, NYU Winthrop Hospital, Mineola, NY, USA.

Journal of Pharmacy Practice
|February 8, 2019
PubMed

Hemophilia A, also known as factor VIII deficiency, is a rare disorder caused by an insufficient level of factor VIII, an essential clotting protein. Hemophilia A can be inherited or acquired. Inherited hemophilia A is caused by a mutation to the factor VIII gene on the X chromosome, which is commonly passed down from parents to children. However, in about one-third of cases, the cause is a spontaneous mutation in that gene. Acquired hemophilia A is due to an autoantibody to factor VIII, which is termed an inhibitor. This rare disorder can cause life-threatening bleeding complications. Management relies on a rapid and accurate diagnosis, control of bleeding episodes, and eradication of the inhibitor by immunosuppression therapy. Most treatment strategies are centered around anecdotal reports or small case series. This case report summarizes the successful treatment of a patient with acquired hemophilia A and major bleeding following a surgical procedure, with the use of desmopressin, recombinant factor VIIa, repeated doses of recombinant factor VIII, rituximab, and prednisone.

Keywords:
acquired hemophilia Afactor VIII deficiencyrecombinant factor VIIIrituximabsurgery

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