Prospective analysis of falls in dominant ataxias

Fonteyn M.R., Ella and Schmitz-Hübsch, T. and Verstappen C., Carla and Balikó, L. and Bloem R., Bastian and Boesch, S. and Bunn, L. and Giunti, P. and Globas, C. and Klockgether, T. and Melegh, B. and Pandolfo, M. and Schöls, L. and Timmann, D. and van de Warrenburg, Bart P.C. (2012) Prospective analysis of falls in dominant ataxias. European neurology, 69 (1). pp. 53-57. ISSN 1421-9913

Text Balikó L European Neurology2013 69 1 p53-57.pdf - Published Version Restricted to Registered users only Download (2MB) | Request a copy

Abstract

Abstract In a previous retrospective study, we demonstrated that falls are common and often injurious in dominant spinocerebellar ataxias (SCAs) and that nonataxia features play an important role in these falls. Retrospective surveys are plagued by recall bias for the presence and details of prior falls. We therefore sought to corroborate and extend these retrospective findings by means of a prospective extension of this fall study. 113 patients with SCA1, SCA2, SCA3 or SCA6, recruited from the EuroSCA natural history study, were asked to keep a fall diary in between their annual visits to the participating centres. Additionally, patients completed a detailed questionnaire about the first three falls, to identify specific fall circumstances. Relevant disease characteristics were retrieved from the EuroSCA registry. 84.1% of patients reported at least one fall during a time period of 12 months. Fall-related injuries were common and their frequency increased with that of falls. The presence of nonataxia symptoms was associated with a higher fall frequency. This study confirms that falls are a frequent and serious complication of SCA, and that the presence of nonataxia symptoms is an important etiological factor in its occurrence. Copyright © 2012 S. Karger AG, Basel.

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