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People with mild haemophilia (PWMH) experience sporadic bleeds and are less likely to receive an early diagnosis, appropriate treatment and medical care. Arthropathy is a key determinant of health-related quality of life (QoL), producing pain, limitations in mobility and daily activities. The aim of this study is to evaluate the incidence, risk factors and QoL associated with arthropathy in PWMH. Observational, cross-sectional cohort study. Data were collected in a single interview and evaluated by a physiotherapist and an orthopaedist and analysed on demographics; baseline factor levels; as well as clinical (Haemophilia Joint Health Score [HJHS]), ultrasound (Haemophilia Early Arthropathy Detection with Ultrasound [HEAD-US]), radiological (Pettersson score [PS]), pain (visual analogue scale [VAS]) and QoL evaluations. We defined arthropathy when at least one of the joints shown with a HEAD-US score ≥ 1. Eighty-five patients and 510 joints were included. Patients' mean age was 35.9 years-old. Median age was 44.2 in patients with arthropathy versus 14.9 in patients without; the difference was statistically significant (p < .001). In patients over 20 years old, 90.5% shown arthropathy. Only 24 (28%) patients had no joint damage (HEAD-US = 0), and 61 (72%) had at least one joint with a HEAD-US ≥ 1. The ankle was the most affected joint. Patient age was found to be the most important risk factor associated with the development of arthropathy. Joint damage as a result of prior hemarthrosis was the most relevant factor associated with lower QoL, and emphasised the importance of early diagnosis and appropriate management in this particular population. © 2023 John Wiley & Sons Ltd.


Carla Daffunchio, Maria E Landro, Gustavo Galatro, Daniela Neme, Guillermo Cambiaggi, Noemi Moretti, Virginia Guerrero, Graciela Negrete, Laura Primiani, Horacio Caviglia. How mild is mild haemophilia? Haemophilia : the official journal of the World Federation of Hemophilia. 2023 Mar;29(2):530-537

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PMID: 36696281

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