Vestibular Impairment in Frontotemporal Dementia Syndrome

Background: No studies to date have attempted to evaluate frontotemporal lobar degeneration from the perspective of the vestibular system. Objective: The present study examined vestibular function in patients with frontotemporal dementia (FTD) clinical syndrome and evaluated whether vestibular disor...

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Main Authors: Kiyotaka Nakamagoe, Kotarou Kadono, Tadachika Koganezawa, Mao Takiguchi, Makoto Terada, Fumiko Yamamoto, Tetsuya Moriyama, Kumi Yanagiha, Seitaro Nohara, Naoki Tozaka, Zenshi Miyake, Satoshi Aizawa, Kentaro Furusho, Akira Tamaoka
Format: Article
Language:English
Published: Karger Publishers 2016-05-01
Series:Dementia and Geriatric Cognitive Disorders Extra
Subjects:
Online Access:http://www.karger.com/Article/FullText/445870
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author Kiyotaka Nakamagoe
Kotarou Kadono
Tadachika Koganezawa
Mao Takiguchi
Makoto Terada
Fumiko Yamamoto
Tetsuya Moriyama
Kumi Yanagiha
Seitaro Nohara
Naoki Tozaka
Zenshi Miyake
Satoshi Aizawa
Kentaro Furusho
Akira Tamaoka
author_facet Kiyotaka Nakamagoe
Kotarou Kadono
Tadachika Koganezawa
Mao Takiguchi
Makoto Terada
Fumiko Yamamoto
Tetsuya Moriyama
Kumi Yanagiha
Seitaro Nohara
Naoki Tozaka
Zenshi Miyake
Satoshi Aizawa
Kentaro Furusho
Akira Tamaoka
author_sort Kiyotaka Nakamagoe
collection DOAJ
description Background: No studies to date have attempted to evaluate frontotemporal lobar degeneration from the perspective of the vestibular system. Objective: The present study examined vestibular function in patients with frontotemporal dementia (FTD) clinical syndrome and evaluated whether vestibular disorders are involved in the clinical symptoms due to FTD. Methods: Fourteen patients with FTD syndrome, as well as healthy elderly controls without dementia, were included in the present study. All subjects underwent vestibular function tests using electronystagmography, such as caloric tests and visual suppression (VS) tests, in which the induced caloric nystagmus was suppressed by visual stimuli. The association between clinical symptoms and vestibular function in the FTD syndrome group was further examined. Results: In the FTD syndrome group, caloric nystagmus was not necessarily suppressed during VS tests. Furthermore, VS was observed to be significantly impaired in FTD syndrome patients with gait disturbance as compared to those without such disturbance. Conclusion: The present study revealed that impairment of VS in patients with FTD results in an inability to regulate vestibular function by means of visual perception, regardless of multiple presumed neuropathological backgrounds. This could also be associated with gait disturbance in patients with FTD syndrome.
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spelling doaj.art-69bc264c04fd40d282f8d17b3785ddb22022-12-21T17:49:47ZengKarger PublishersDementia and Geriatric Cognitive Disorders Extra1664-54642016-05-016219420410.1159/000445870445870Vestibular Impairment in Frontotemporal Dementia SyndromeKiyotaka NakamagoeKotarou KadonoTadachika KoganezawaMao TakiguchiMakoto TeradaFumiko YamamotoTetsuya MoriyamaKumi YanagihaSeitaro NoharaNaoki TozakaZenshi MiyakeSatoshi AizawaKentaro FurushoAkira TamaokaBackground: No studies to date have attempted to evaluate frontotemporal lobar degeneration from the perspective of the vestibular system. Objective: The present study examined vestibular function in patients with frontotemporal dementia (FTD) clinical syndrome and evaluated whether vestibular disorders are involved in the clinical symptoms due to FTD. Methods: Fourteen patients with FTD syndrome, as well as healthy elderly controls without dementia, were included in the present study. All subjects underwent vestibular function tests using electronystagmography, such as caloric tests and visual suppression (VS) tests, in which the induced caloric nystagmus was suppressed by visual stimuli. The association between clinical symptoms and vestibular function in the FTD syndrome group was further examined. Results: In the FTD syndrome group, caloric nystagmus was not necessarily suppressed during VS tests. Furthermore, VS was observed to be significantly impaired in FTD syndrome patients with gait disturbance as compared to those without such disturbance. Conclusion: The present study revealed that impairment of VS in patients with FTD results in an inability to regulate vestibular function by means of visual perception, regardless of multiple presumed neuropathological backgrounds. This could also be associated with gait disturbance in patients with FTD syndrome.http://www.karger.com/Article/FullText/445870Vestibular functionFrontotemporal lobar degenerationVestibular stimulationFrontal eye fieldInferior parietal lobuleCaloric testVisual suppressionFrontotemporal dementia
spellingShingle Kiyotaka Nakamagoe
Kotarou Kadono
Tadachika Koganezawa
Mao Takiguchi
Makoto Terada
Fumiko Yamamoto
Tetsuya Moriyama
Kumi Yanagiha
Seitaro Nohara
Naoki Tozaka
Zenshi Miyake
Satoshi Aizawa
Kentaro Furusho
Akira Tamaoka
Vestibular Impairment in Frontotemporal Dementia Syndrome
Dementia and Geriatric Cognitive Disorders Extra
Vestibular function
Frontotemporal lobar degeneration
Vestibular stimulation
Frontal eye field
Inferior parietal lobule
Caloric test
Visual suppression
Frontotemporal dementia
title Vestibular Impairment in Frontotemporal Dementia Syndrome
title_full Vestibular Impairment in Frontotemporal Dementia Syndrome
title_fullStr Vestibular Impairment in Frontotemporal Dementia Syndrome
title_full_unstemmed Vestibular Impairment in Frontotemporal Dementia Syndrome
title_short Vestibular Impairment in Frontotemporal Dementia Syndrome
title_sort vestibular impairment in frontotemporal dementia syndrome
topic Vestibular function
Frontotemporal lobar degeneration
Vestibular stimulation
Frontal eye field
Inferior parietal lobule
Caloric test
Visual suppression
Frontotemporal dementia
url http://www.karger.com/Article/FullText/445870
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