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Bleeding pattern and consumption of factor VIII concentrate in adult patients with haemophilia A without inhibitors in the Czech Republic between 2013 and 2021 (Czech National Haemophilia Programme registry data)

G. Romanová, P. Smejkal, P. Ovesná, E. Drbohlavová, P. Dulíček, Z. Hajšmanová, A. Hluší, R. Hrdličková, J. Ullrychová, I. Vonke, J. Blatný, Z. Čermáková, E. Zápotocká, M. Penka

. 2023 ; 102 (11) : 3261-3270. [pub] 20230923

Language English Country Germany

Document type Journal Article

Grant support
FNBr Ministerstvo Zdravotnictví Ceské Republiky
65269705 Ministerstvo Zdravotnictví Ceské Republiky

The manuscript provides an overview of treatment and its changes in adult patients with haemophilia A without inhibitors in the Czech Republic between 2013 and 2021 using data from the registry of the Czech National Haemophilia Programme (CNHP). Over a 9-year period, we focused on the reduction in the annual bleeding rate (ABR), joint bleeding rate (AJBR) and factor VIII consumption when patients with severe haemophilia A switched from on-demand treatment to prophylaxis. The ABR and AJBR include both patient-reported home treatment and treated hospitalisation episodes. All adult patients with severe haemophilia A were categorised into three groups according to the therapeutic regimen. The first group was patients on prophylaxis during the follow-up period, the second group consisted of patients on on-demand treatment, and the third group was patients who received both treatment regimens during follow-up. With an increase in the proportion of patients with severe haemophilia A on prophylaxis from 37 to 74% between 2013 and 2021, the ABR for all patients with severe haemophilia A decreased approximately 6.9-fold, and the AJBR decreased 8.7-fold. Expectedly, the factor consumption increased by approximately 68.5%. In the group of patients with severe haemophilia A who had switched from an on-demand to a prophylactic regimen, the total number of bleeding events decreased 3.5-fold, and the number of joint bleeding episodes decreased 3.9-fold. Factor VIII consumption increased by 78.4%. Our study supports a previously reported positive effect of prophylaxis on bleeding control. We believe that the substantial improvement in ABR justifies the increased treatment costs.

2nd Medical Faculty Charles University Prague Czech Republic

4th Department of Internal Medicine Haematology University Hospital in Hradec Králové Medical Faculty in Hradec Kralove Hradec Králové Czech Republic

Blood Centre University Hospital Ostrava Ostrava Czech Republic

Charles University Prague Prague Czech Republic

Clinical Haematology Hospital České Budějovice České Budějovice Czech Republic

Department of Clinical Haematology Krajska Zdravotní a S Masaryk Hospital Ústí Nad Labem Ústí Nad Labem Czech Republic

Department of Clinical Haematology Regional Hospital Liberec Liberec Czech Republic

Department of Clinical Haematology University Hospital Brno Brno Czech Republic

Department of Haemato Oncology Faculty of Medicine and Dentistry Palacky University and University Hospital Olomouc Olomouc Czech Republic

Department of Haematology Institute of Clinical Biochemistry and Haematology University Hospital Pilsen Pilsen Czech Republic

Department of Internal Medicine Haematology and Oncology University Hospital Brno Brno Czech Republic

Department of Laboratory Methods Faculty of Medicine Masaryk University Brno Czech Republic

Department of Paediatric Haematology and Biochemistry University Hospital Brno Brno Czech Republic

Department of Paediatric Haematology and Oncology University Hospital Motol Prague Czech Republic

Faculty of Medicine Masaryk University Brno Czech Republic

Institute of Biostatistics and Analyses Ltd Brno Czech Republic

Masaryk University Brno Czech Republic

References provided by Crossref.org

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