Dizziness in Parkinson’s disease patients is associated with vestibular function

Abstract Dizziness is common in Parkinson’s disease (PD) patients. It is known that orthostatic hypotension (OH) is the main cause of such dizziness, but even without OH, quite a few PD patients complain of dizziness in the clinic. It can be regarded as non-specific because most of these patients ha...

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Autores principales:	Jeong-Ho Park, Suk Yun Kang
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d37a8ef0f0df402eb815a77052ae501b
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spelling	oai:doaj.org-article:d37a8ef0f0df402eb815a77052ae501b2021-12-02T15:14:27ZDizziness in Parkinson’s disease patients is associated with vestibular function10.1038/s41598-021-98540-52045-2322https://doaj.org/article/d37a8ef0f0df402eb815a77052ae501b2021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-98540-5https://doaj.org/toc/2045-2322Abstract Dizziness is common in Parkinson’s disease (PD) patients. It is known that orthostatic hypotension (OH) is the main cause of such dizziness, but even without OH, quite a few PD patients complain of dizziness in the clinic. It can be regarded as non-specific because most of these patients have no neurological abnormalities. We hypothesized that this type of dizziness would be associated with vestibular function, although included patients did not have clinically confirmed vestibulopathy. We studied 84 patients without OH among 121 PD patients. Their clinical features and function were compared between patients with and without dizziness. Hoehn and Yahr stage (H&Y stage), the Unified Parkinson's Disease Rating Scale (UPDRS) part III, the Korean version of the Mini-Mental State Examination (K-MMSE), education years, disease duration, total levodopa equivalent daily dose (LEDD), the presence of dizziness, the dizziness severity, and orthostatic hypotension were tested. Vestibular evoked myogenic potentials (VEMPs) were used to characterize vestibular function. Ocular (oVEMPs) and cervical (cVEMPs) were recorded. oVEMPs in the right side showed significantly reduced potentials (p = 0.016) in PD patients with dizziness, but cVEMPs did not (all ps > 0.2). Bilateral absent oVEMP responses were more common in PD patients with dizziness (p = 0.022), but the frequencies of bilateral absent cVEMP responses were not different between the dizzy and non-dizzy groups (p = 0.898). Dizziness in PD patients without orthostatic hypotension may be associated with vestibular hypofunction. Our results provide evidence that can aid clinicians when making a treatment plan for patients with dizziness. i.e., strategies to enhance reduced vestibular function may be helpful, but this suggestion remains to be evaluated.Jeong-Ho ParkSuk Yun KangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-6 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jeong-Ho Park Suk Yun Kang Dizziness in Parkinson’s disease patients is associated with vestibular function
description	Abstract Dizziness is common in Parkinson’s disease (PD) patients. It is known that orthostatic hypotension (OH) is the main cause of such dizziness, but even without OH, quite a few PD patients complain of dizziness in the clinic. It can be regarded as non-specific because most of these patients have no neurological abnormalities. We hypothesized that this type of dizziness would be associated with vestibular function, although included patients did not have clinically confirmed vestibulopathy. We studied 84 patients without OH among 121 PD patients. Their clinical features and function were compared between patients with and without dizziness. Hoehn and Yahr stage (H&Y stage), the Unified Parkinson's Disease Rating Scale (UPDRS) part III, the Korean version of the Mini-Mental State Examination (K-MMSE), education years, disease duration, total levodopa equivalent daily dose (LEDD), the presence of dizziness, the dizziness severity, and orthostatic hypotension were tested. Vestibular evoked myogenic potentials (VEMPs) were used to characterize vestibular function. Ocular (oVEMPs) and cervical (cVEMPs) were recorded. oVEMPs in the right side showed significantly reduced potentials (p = 0.016) in PD patients with dizziness, but cVEMPs did not (all ps > 0.2). Bilateral absent oVEMP responses were more common in PD patients with dizziness (p = 0.022), but the frequencies of bilateral absent cVEMP responses were not different between the dizzy and non-dizzy groups (p = 0.898). Dizziness in PD patients without orthostatic hypotension may be associated with vestibular hypofunction. Our results provide evidence that can aid clinicians when making a treatment plan for patients with dizziness. i.e., strategies to enhance reduced vestibular function may be helpful, but this suggestion remains to be evaluated.
format	article
author	Jeong-Ho Park Suk Yun Kang
author_facet	Jeong-Ho Park Suk Yun Kang
author_sort	Jeong-Ho Park
title	Dizziness in Parkinson’s disease patients is associated with vestibular function
title_short	Dizziness in Parkinson’s disease patients is associated with vestibular function
title_full	Dizziness in Parkinson’s disease patients is associated with vestibular function
title_fullStr	Dizziness in Parkinson’s disease patients is associated with vestibular function
title_full_unstemmed	Dizziness in Parkinson’s disease patients is associated with vestibular function
title_sort	dizziness in parkinson’s disease patients is associated with vestibular function
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/d37a8ef0f0df402eb815a77052ae501b
work_keys_str_mv	AT jeonghopark dizzinessinparkinsonsdiseasepatientsisassociatedwithvestibularfunction AT sukyunkang dizzinessinparkinsonsdiseasepatientsisassociatedwithvestibularfunction
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Dizziness in Parkinson’s disease patients is associated with vestibular function

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