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It is important to investigate which factors are associated with the development of arthropathy in people with mild haemophilia (PWMH), in order to prevent it and to limit its effect on function and quality of life. To examine the risk factors associated with arthropathy and to predict its presence and degree of involvement in our PWMH population. This was an observational, cross-sectional cohort study of 85 PWMH under follow-up in our centre. Patient variables (age, body mass index, haemophilia type, genetic mutations, baseline factor levels, age at diagnosis, history of inhibitor, level of physical activity and years of practice, history of haemarthrosis and muscle haematoma) were analysed and related to the presence or absence of arthropathy and the degree of arthropathy (measured with HJHS and HEAD-US). Multivariable models were performed. Some 36.5% of PWMH had arthropathy. The variables that showed an independent association with the presence of arthropathy were patient age (median 42 years) and clotting factor levels (median 10.5 IU/dL). The risk of developing arthropathy increased by 7.9% for each additional year of age and decreased by 7.7% for each 1 IU/dL increase in clotting factor. When arthropathy developed, its degree of involvement might have been influenced by the type of physical activity performed. Patient age and factor levels appear to be the most determinant risk factors associated with the development of arthropathy in mild haemophilia. Monitoring joint health is desirable in this patient population. In patients with arthropathy, physical activities with a low risk of bleeding are the most recommended. Copyright © 2022 Elsevier Ltd. All rights reserved.


Hortensia De la Corte-Rodriguez, E Carlos Rodriguez-Merchan, M Teresa Alvarez-Roman, Monica Martin-Salces, Isabel Rivas-Pollmar, Victor Jimenez-Yuste. Arthropathy in people with mild haemophilia: Exploring risk factors. Thrombosis research. 2022 Mar;211:19-26

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PMID: 35063801

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