FEIBA (factor eight inhibitor by-passing activity) is used to achieve haemostasis in haemophiliacs with inhibitor. The aim of this study was to evaluate efficacy and consumption of the product in treatment of haemorrhages in haemophiliacs with factor VIII inhibitor, and determine factors that can influence the results of treatment. We used data from our haemophilia centre from years 2000-2008. Six haemophiliacs with factor VIII inhibitor were treated on demand with FEIBA for 61 bleeding episodes (45 haemarthroses, six muscle bleeds, six other sites bleeds and four multiple sites bleeds). The median cumulative dose of FEIBA per bleeding episode was 205 U kg(-1). Bleeding was stopped in 96.7% (59 of 61) of events but re-bleeding occurred in 3 events (4.9%) within 48 h after cessation of bleeding. In home treatment (20 of 61) bleeding stopped in 90% (18 of 20) without recurrence and the median consumption per event was reduced to 153 U kg(-1). Without the use of home treatment the median consumption was 250 U kg(-1) per event and bleeding ceased definitely in 92.7% (38 of 41) of cases. The cumulative dose of FEIBA was lower for three episodes with re-bleeding: median 96 U kg(-1) but not in the two cases of ineffective treatment: 361 U kg(-1). FEIBA in management of bleeding episodes completely resolved the haemorrhage in 91.8% of events and in a further 4.9% if treatment was restarted. Using home treatment saved expenditure due to the lower cumulative dose needed for treatment of haemorrhage.

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