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Acute hepatitis non-A, non-B following administration of factor VIII concentrates
A retrospective survey on clinical hepatitis in patients with bleeding disorders was performed. Nine episodes of hepatitis non-A, non-B occurred in 8 out of 20 patients (40%) with mild hemophilia A or von Willebrand's disease, who had been treated with commercial factor VIII concentrates. Only two episodes of hepatitis B occurred during the study period. The non-A, non-B attack rate after the first treatment was 40% with factor VIII concentrate obtained from large plasma pools (= 2,000 donors) including professional plasma donors as compared to 8% after treatment with factor VIII concentrate obtained from smaller (100-250 donors) plasma pools from Scandinavian donors.
A retrospective survey on clinical hepatitis in patients with bleeding disorders was performed. Nine episodes of hepatitis non-A, non-B occurred in 8 out of 20 patients (40%) with mild hemophilia A or von Willebrand's disease, who had been treated with commercial factor VIII concentrates. Only two episodes of hepatitis B occurred during the study period. The non-A, non-B attack rate after the first treatment was 40% with factor VIII concentrate obtained from large plasma pools (= 2,000 donors) including professional plasma donors as compared to 8% after treatment with factor VIII concentrate obtained from smaller (100-250 donors) plasma pools from Scandinavian donors.