Research in Vestibular Science

Review

Autonomic Dysfunction in Dizziness Clinic: Eun Bin Cho, Ki-Jong Park; Res Vestib Sci. 2018;17(2):37-43. Published online June 15, 2018; DOI: https://doi.org/10.21790/rvs.2018.17.2.37

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Orthostatic dizziness is a common type of dizziness. In general, orthostatic dizziness is provoked by standing or tilting, and subsided by supine position. The patient with orthostatic intolerance complains multiple symptoms such as dizziness, palpitation, lightheadness, fatigue and rarely syncope. Common orthostatic intolerance is orthostatic hypotension (classic, initial, transient, and delayed orthostatic hypotension) and postural orthostatic tachycardia syndrome. Transcranial Doppler is a noninvasive technique that provides real-time measurement of cerebral blood flow velocity. It can be useful for understanding the relationship between orthostatic symptoms and cerebral autoregulatory function. The reciprocal causal relationship between vestibular and autonomic dysfunction should always be kept in mind.

Citations

Citations to this article as recorded by

A Study on the Characteristics of Patients Treated for Dizziness with Jeoreongchajeonja-tang: A Retrospective Analysis of 63 Cases
Nu-ri Jung, Ki-tae Kim, Seon-mi Shin, Heung Ko
The Journal of Internal Korean Medicine.2019; 40(6): 1122. CrossRef
Pitfalls in the Diagnosis of Vertigo
Hyun Ah Kim, Hyung Lee
Journal of the Korean Neurological Association.2018; 36(4): 280. CrossRef

Case Report

Brain Hypometabolism in Cerebellar Ataxia, Neuropathy, Vestibular Areflexia Syndrome: Byoung-Min Jeong, Byoung-Soo Shin, Man-Wook Seo, Ji-Yun Park, Hwan-Jeong Jeong, Sun-Young Oh; Res Vestib Sci. 2017;16(4):156-160. Published online December 15, 2017; DOI: https://doi.org/10.21790/rvs.2017.16.4.156

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Abstract PDF: Cerebellar ataxia with neuropathy and vestibular areflexia syndrome (CANVAS) is a slowing progressive ataxic disorder characterized by bilateral vestibulopathy, cerebellar ataxia and somatosensory impairment. Autonomic dysfunction is recently considered as a core feature in CANVAS in addition to these symptoms. In most cases, patients with CANVAS show cerebellar atrophy in brain imaging, but some cases show minimal or no atrophy of cerebellum. Brain (18F)-fluoro-2-deoxy-D-glucose positron emission tomography (¹⁸F-FDG PET) study can be a complimentary tool to diagnosis CANVAS in cases of no structural abnormality such as cerebellar atrophy. Hereby, we present a case of CANVAS with minimal atrophy of cerebellum but showing a prominent hypometabolism in cerebellum, thalamus and posterior cingulate cortex in ¹⁸F-FDG PET.

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