Hough RE. Hampton KK. Preston FE. Channer KS. West J. Makris M., Recombinant VIIa concentrate in the management of bleeding following prothrombin complex concentrate-related myocardial infarction in patients with hemophilia and inhibitors. British Journal of Haematology. 111(3):974-9, 2000.
Prothrombin complex concentrates (PCCs) and, more recently, activated prothrombin complex concentrates (APCCs), are widely used for the treatment of active bleeding in hemophiliacs with inhibitors. Myocardial infarction (MI), associated with the use of these concentrates, is a well-recognized, but uncommon, complication. We review the 14 previous cases published in the literature and describe two additional patients. MI related to the use of activated and non-activated PCCs predominantly affects young patients who often have no preceding history of, or risk factors for, MI and tends to be associated with large cumulative doses of concentrate. The most frequent pathological finding is myocardial hemorrhage, with no evidence of coronary artery atheroma or thrombosis. The management of further bleeding in these patients is difficult. The authors have safely used recombinant factor VIIa to treat bleeding in the immediate and long-term period following PCC-related MI.
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