Long-term prophylaxis in patients with severe congenital factor XIII deficiency is not complicated by inhibitor formation

Naderifar, M and Hosseini, M and Ahmadinejad, M and Moradi, E and Shamsizadeh, M and Dorgalaleh, A (2016) Long-term prophylaxis in patients with severe congenital factor XIII deficiency is not complicated by inhibitor formation. Blood Coagulation and Fibrinolysis, 27. pp. 1-4.

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Abstract

Congenital factor XIII (FXIII) deficiency is a rare bleeding disorder accompanied by a variety of bleeding events. Severely deficient patients require regular replacement therapy. With development of FXIII concentrate, the risk of viral infections transmitted by fresh frozen plasma and cryoprecipitate is diminished, but the possibility of inhibitor development remains a challenging issue in the management of these patients. The aim of this study was to assess FXIII inhibitor development in Iranian patients with FXIII deficiency (FXIIID). This study enrolled 50 (30 women and 20 men) patients with severe congenital FXIIID from southeast Iran who underwent long-term (more than 4 year or more than 50 injections) prophylaxis with FXIII concentrate (Fibrogammin P, Dade Behring, Marburg, Germany). We evaluated plasma FXIII activity and FXIII inhibitor on day 28 after the last prophylaxis administration. The method for investigation of FXIII inhibitor was based on Bethesda AQ5 assay. The mean age of the study population was 13.8 W 8.3 years. The minimum and maximum FXIII activity levels were less than 1–4.5% (mean W SD, 2.6 W 0.7%). Our investigations showed that all patients with severe form of FXIIID (FXIII activity <5%) were treated without inciting inhibitor development. Despite long-term prophylaxis in the studied patients, none was found to have developed FXIII inhibitors. Blood Coagul Fibrinolysis 27:000–000 Copyright 2016 Wolters Kluwer Health, Inc. All rights reserved

Item Type: Article
Uncontrolled Keywords: factor XIII deficiency, inhibitor development, replacement therapy
Subjects: R Medicine > R Medicine (General)
Depositing User: Unnamed user with email gholipour.s@umsu.ac.ir
Date Deposited: 26 Sep 2018 06:22
Last Modified: 27 Jul 2019 07:07
URI: http://eprints.umsu.ac.ir/id/eprint/5110

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