Analysis of postural stability using foam posturography in patients with persistent postural-perceptual dizziness.

IF 2.9 3区 医学 Q2 NEUROSCIENCES Journal of Vestibular Research-Equilibrium & Orientation Pub Date : 2024-01-01 DOI:10.3233/VES-230034
Kentaro Ichijo, Mineko Oka, Kento Koda, Teru Kamogashira, Makoto Kinoshita, Takuya Kawahara, Ikumi Takashima, Shinichi Demura, Tatsuya Yamasoba, Chisato Fujimoto
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Abstract

Background/objective: Persistent postural-perceptual dizziness (PPPD) is worsened in a standing posture, or by body movement, or visual stimulation. We aimed to evaluate postural stability in PPPD patients using foam posturography and to investigate the dependence on visual and somatosensory input in the standing posture.

Methods: Foam posturography was performed on 53 PPPD patients, and data from the PPPD patients were compared with the data from an age- and sex-matched healthy controls. The PPPD patients were divided into four groups based on the findings of vestibular function tests and the effect of vestibular function on posturographic data was examined.

Results: Romberg's ratios were significantly higher in PPPD patients than in controls. The median Romberg's ratios in PPPD patients with normal vestibular function were also higher than those in controls. However, foam ratio was significantly lower in PPPD patients than in controls. The median foam ratios in PPPD patients with vestibular dysfunction were also lower than those in controls.

Conclusions: In a standing posture, PPPD patients may be more dependent on visual input and less dependent on somatosensory input than healthy subjects. Higher dependence on visual and lower dependence on somatosensory input in PPPD may be a feature unaffected by vestibular function.

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利用泡沫体位法分析持续性体位知觉性头晕患者的体位稳定性。
背景/目的:持续性姿势知觉性头晕(PPPD)在站立姿势、身体运动或视觉刺激下会加重。我们的目的是使用泡沫体位测量法评估 PPPD 患者的体位稳定性,并研究站立姿势对视觉和体感输入的依赖性:对 53 名 PPPD 患者进行了泡沫体位测量,并将 PPPD 患者的数据与年龄和性别匹配的健康对照组的数据进行了比较。根据前庭功能测试的结果,PPPD 患者被分为四组,并研究了前庭功能对体位摄影数据的影响:结果:PPPD 患者的朗伯格比率明显高于对照组。前庭功能正常的 PPPD 患者的罗姆伯格比率中位数也高于对照组。然而,PPPD 患者的泡沫比率明显低于对照组。有前庭功能障碍的 PPPD 患者的泡沫比率中位数也低于对照组:结论:与健康人相比,在站立姿势中,PPPD 患者可能更依赖于视觉输入,而较少依赖于体感输入。PPPD患者对视觉输入的依赖性较高,而对体感输入的依赖性较低,这可能是不受前庭功能影响的一个特征。
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来源期刊
CiteScore
5.00
自引率
4.30%
发文量
66
审稿时长
>12 weeks
期刊介绍: Journal of Vestibular Research is a peer-reviewed journal that publishes experimental and observational studies, review papers, and theoretical papers based on current knowledge of the vestibular system. Subjects of the studies can include experimental animals, normal humans, and humans with vestibular or other related disorders. Study topics can include the following: Anatomy of the vestibular system, including vestibulo-ocular, vestibulo-spinal, and vestibulo-autonomic pathways Balance disorders Neurochemistry and neuropharmacology of balance, both at the systems and single neuron level Neurophysiology of balance, including the vestibular, ocular motor, autonomic, and postural control systems Psychophysics of spatial orientation Space and motion sickness Vestibular rehabilitation Vestibular-related human performance in various environments
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