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Article type: Research Article
Authors: Čakrt, Ondřeja; b; * | Vyhnálek, Martinc; d | Slabý, Kryštofa | Funda, Tomášb | Vuillerme, Nicolase | Kolář, Pavela | Jeřábek, Jaroslavb; c
Affiliations: [a] Department of Rehabilitation and Sports Medicine, 2nd Faculty of Medicine, University Hospital Motol, Charles University in Prague, Prague, Czech Republic | [b] Faculty of Biomedical Engineering, Czech Technical University, Prague, Kladno, Czech Republic | [c] Department of Neurology, 2nd Faculty of Medicine, University Hospital Motol, Charles University in Prague, Prague, Czech Republic | [d] International Clinical Research Center, St. Anne's University Hospital Brno, Brno, Czech Republic | [e] FRE 3405, AGIM (AGeing, Imaging, Modeling) Laboratory, CNRS-UJF-EPHE, Faculty of Medicine, La Tronche Cédex, France
Correspondence: [*] Corresponding author: Ondřej Čakrt, Department of Rehabilitation and Sports Medicine, 2nd Faculty of Medicine, Charles University in Prague, Czech Republic, V úvalu 84, Prague 5 – 15006, Czech Republic. Tel.: +420 224439201; Fax: +420 224439220; E-mail: [email protected]
Abstract: Few clinical studies have evaluated physiotherapeutic interventions in patients with degenerative cerebellar ataxia. Investigations on the effectiveness of biofeedback-based interventions for training postural control in these patients have not been conducted yet. The aim of the present study was to assess the effectiveness of a 2-week intensive tongue-placed electrotactile biofeedback program for patients with progressive cerebellar ataxia. Subjects were seven adult patients suffering from cerebellar degeneration. Postural control was assessed with static posturography in two sensory conditions eyes open/closed on firm surface. For quantification of postural behavior, we used area, sway path and mean velocity of the centre of foot pressure (CoP). Effects of treatment were determined by comparing Pre, Post and one month follow-up (Retention) experimental sessions. Analysis of measured CoP parameters for tests on firm surface showed a significant main effect of visual condition and no difference across test sessions under open eyes condition. Under eyes closed condition, there were significant differences between Pre versus Post and Pre versus Retention, while the difference Post versus Retention was not significant. Our results suggest that a balance rehabilitation program with postural exercise performed with a head position-based tongue-placed biofeedback system could significantly improve bipedal postural control in patients suffering from degenerative cerebellar ataxia.
Keywords: Cerebellar ataxia, neurorehabilitation, biofeedback, postural control, physiotherapy, posturography
DOI: 10.3233/NRE-2012-00813
Journal: NeuroRehabilitation, vol. 31, no. 4, pp. 429-434, 2012
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