Vestibular Loss and Cerebellar Ataxia: A Practical Approach

Cerebellar ataxia has been the remit of neurology but increased awareness of genetic disorders affecting both cerebellar and vestibular function has led to a rise in their reported prevalence. It is not uncommon for such patients to be seen in otolaryngology clinics. This review explores the underlying etiologies of patients presenting with vestibular loss accompanied by signs of cerebellar ataxia and provides a practical approach to diagnosis. We provide a comprehensive overview of common conditions that can manifest with both vestibular dysfunction and cerebellar ataxia, acutely or chronically, including cerebellar strokes, thiamine deficiency, and neurodegenerative diseases such as spinocerebellar ataxias. The article explores key diagnostic approaches, including clinical examination, neuroimaging, and specialized vestibular testing, to aid in distinguishing these conditions. By focusing on practical aspects of diagnosis, we offer otolaryngology specialists an essential tool for more accurate identification and management of patients, aiming to improve patient care. We emphasize the importance of a systematic, multidisciplinary approach to managing complex vestibular cases.