[Examination of the effect of immunosuppressive therapy on acquired hemophilia A in elderly patients with bloodstream infections].

Aim: Acquired hemophilia A (AHA) is an acquired autoantibody (inhibitor) against blood coagulation factor VIII (FVIII) that significantly reduces FVIII activity and causes a bleeding tendency. Immune acquired coagulation factor deficiency. The peak age of onset is in the 70s.