Postural control during a transition task in haemophilic children, adolescents and young adults with haemophilic ankle arthropathy
(2018) Haemophilia (Print) — Vol. 24, n° 4, p. 667-674 (2018)
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- (en) BACKGROUND: The aim of this study was to determine whether young haemophilic boys with and without MRI-based signs of ankle arthropathy demonstrate reduced balance ability during a transition task with eyes open and eyes closed. METHODS: Thirty-four haemophilic bodies and 28 typically developing boys aged 6-20 years participated to this study. Structural integrity of the tarsal foot joints of all haemophilic boys was assessed with MRI. All participants performed a standard transition task from double-leg stance to single-leg stance with eyes open and eyes closed. Comparison of balance features derived from the centre of pressure displacement captured by a single force platform was performed between the different haemophilia subgroups and sex-age-height matched peers. FINDINGS: The haemophilic boys without signs of arthropathy presented only a higher intermediate phase velocity during the eyes closed condition (P = .05). The haemophilic boys with signs of arthropathy had significantly higher displacement after the time to new stability point, and 95% Ellipse Sway Area and Balance Area compared to their matched peers during eyes open test (P < .05). Similar findings were observed during the eyes closed test for the displacement after the time to new stability point and 95% Ellipse Sway Area (P < .05). No significant differences were observed between affected and non-affected side of the unilateral affected patients. INTERPRETATION: We suggest that the pathophysiological cascade associated with chronic bleeding episodes should not be considered as a "simple" musculoskeletal injury, hence more as a complex neurophysiological dysfunction which may originate both from unilateral and bilateral deterioration of the musculoskeletal system.
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Deschamps, K., Staes, F., Eerdekens, M., Peerlinck, K., Hermans, C., Vandesande, J., & Lobet, S. (2018). Postural control during a transition task in haemophilic children, adolescents and young adults with haemophilic ankle arthropathy. Haemophilia (Print), 24(4), 667-674. https://doi.org/10.1111/hae.13484 (Original work published 2018)