Objective: To describe the alterations observed in electronystagmography (ENG) of patients with spinocerebellar ataxia (SCA) types 2 and 3. Method: Sixteen patients were studied and the following procedures were carried out: Anamnesis, otorhinolaryngological and vestibular evaluations. Results: The clinical findings in the entire group of patients were: gait disturbances (93.75%), dysarthria (43.75%), headache (43.75%), dizziness (37.50%) and dysphagia (37.50%). In the vestibular exam, the rotatory (62.50%) and caloric (75%) tests were among those which presented the largest indexes of abnormalities; the presence of alterations in the exams was 87.50%, with a predominance of central vestibular disorders in 68.75% of the exams. Conclusion: Vestibular exams could be an auxiliary tool to investigate SCAs, besides a precise clinical approach and, particularly, molecular genetic tests.
CITATION STYLE
Zeigelboim, B. S., Teive, H. A. G., Sampaio, R., Jurkiewicz, A. L., & Liberalesso, P. B. N. (2011). Electronystagmography findings in spinocerebellar ataxia type 3 (SCA3) and type 2 (SCA2). Arquivos de Neuro-Psiquiatria, 69(5), 760–765. https://doi.org/10.1590/S0004-282X2011000600007
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