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Use of secondary prophylaxis with recombinant activated factor VII in haemophilia A with inhibitor: our experience and the review of the literature


Authors: P. Kubisz 1;  I. Plameňová 1;  J. Staško 1;  P. Hollý 1;  D. Mištuna 2;  M. Mýtnik 3
Authors‘ workplace: Klinika hematológie a transfuziológie, Národné centrum hemostázy a trombózy, Jesseniova lekárska fakulta 1;  Univerzity Komenského a Martinská fakultná nemocnica, Martin, SR, 1. chirurgická klinika, Jesseniova lekárska fakulta Univerzity Komenského a Martinská fakultná nemocnica, Martin, 3Chirurgická klinika Reimanovej fakultnej nemocnice s poliklinikou, Prešov, 2
Published in: Transfuze Hematol. dnes,15, 2009, No. 4, p. 210-215.
Category: Comprehensive Reports, Original Papers, Case Reports

Overview

Coagulation factor VIII (FVIII) inhibitors are the serious complication of replacement therapy with FVIII in hemophilia A. The treatment of hemophiliacs with inhibitor who are not eligible for the immune tolerance induction (ITT) or in whom it fails is problematic. The prophylaxis with bypassing agents (FEIBA, recombinant activated coagulation factor VII (rFVIIa) have been recently studied as a promising alternative. A case of a patient with congenital hemophilia A, in whom the FVIII inhibitor was identified at the age of 3 after more than 50 exposures to human plasma FVIII concentrates is presented. The patient underwent the unsuccessful ITT according to the modified Bonn regimen and his condition was complicated with the developement of the hemophilic arthropathy of the left knee. In order to allow the invasive local treatment (synovectomy, intra-articular glucocorticoids) and intensive physiotherapy the secondary prophylaxis with rFVIIa at the dose of 120 μg/kg 2-3 times a week plus similar dose before the increased physical activity was conducted for 18 months. The prophylactic treatment led to the reduction of the bleeding and the improvement in the quality of life. No progression of the arthropathy as well as no severe bleeding related to the rehabilitation procedures was observed.

Key words:
hemophilia A, FVIII inhibitors, prophylaxis, rFVIIa, hemophilic arthropathy


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Haematology Internal medicine Clinical oncology
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