Antonio Sam Pierre, Assan Mary Cedras, Benoit Antoine Bacon, François Champoux, Maxime Maheu
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To date, unfortunately, this technique has received little attention as a tool to measure postural instability in older adults.</p><p><strong>Purpose: </strong>The objective of the present study was to examine postural control in older adults with and without degradation of the somatosensory functions, as determined with ankle audiometry.</p><p><strong>Research design: </strong>Standard group comparison.</p><p><strong>Study sample: </strong>36 healthy elderly aged between 65-80 years old divided in two groups (low vibration threshold (n=18) and high vibration threshold (n=18).</p><p><strong>Data collection and analysis: </strong>Standard audiometry, video head impulse test, vibration thresholds (big toe, ankle and tibia) and static postural control task using a force platform was performed.</p><p><strong>Results: </strong>Greater postural instability in participants with higher (worse) vibration thresholds as compared to participants with lower (better) vibration thresholds was observed even though both groups were comparable on hearing threshold and vestibular function.</p><p><strong>Conclusion: </strong>The results indicate that performing a simple vibration threshold evaluation, using a clinically available B-71 with a cut-off value of 42 dB HL could be an effective, fast and easy to use procedure for detecting people at risk of falls.</p>","PeriodicalId":50021,"journal":{"name":"Journal of the American Academy of Audiology","volume":null,"pages":null},"PeriodicalIF":1.0000,"publicationDate":"2023-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Vibration thresholds using conventional audiometry are clinically useful indicators of postural instability in older adults.\",\"authors\":\"Antonio Sam Pierre, Assan Mary Cedras, Benoit Antoine Bacon, François Champoux, Maxime Maheu\",\"doi\":\"10.1055/a-2135-7198\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>Falls are a major health concern with potentially dramatic consequences for people over 65 years of age. 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引用次数: 0
摘要
背景:跌倒是一个主要的健康问题,对65岁以上的人可能造成严重后果。老年人跌倒风险的一个关键决定因素是姿势控制,这是一个复杂的过程,需要不同感觉模式的参与,即视觉、前庭、听觉和体感。虽然有很好的方法来筛查与年龄相关的视觉、听觉、触觉和前庭损伤,但很少有广泛可用的方法来筛查体感功能,但研究表明,使用常见的B-71骨振动器的脚踝测听(振动阈值)可以达到这一目的。不幸的是,到目前为止,这项技术作为测量老年人体位不稳定性的工具很少受到关注。目的:本研究的目的是检查有或没有体感功能退化的老年人的姿势控制,如踝听力学所确定的。研究设计:标准组比较。研究样本:36名65-80岁的健康老年人,分为低振动阈值组(n=18)和高振动阈值组(n=18)。数据收集和分析:进行标准听力学、视频头部脉冲测试、振动阈值(大脚趾、踝关节和胫骨)和使用力平台的静态姿势控制任务。结果:与振动阈值较低(较好)的参与者相比,振动阈值较高(较差)的参与者体位不稳定性更大,尽管两组在听力阈值和前庭功能上具有可比性。结论:结果表明,使用临床可用的B-71(截断值为42 dB HL)进行简单的振动阈值评估可能是一种有效,快速且易于使用的检测跌倒风险的方法。
Vibration thresholds using conventional audiometry are clinically useful indicators of postural instability in older adults.
Background: Falls are a major health concern with potentially dramatic consequences for people over 65 years of age. One crucial determinant in the risk of falls in older adults is postural control, a complex process that requires the contribution of different sensory modalities, namely visual, vestibular, auditory, and somatosensory. While there are well established methods to screen for age-related vision, hearing, tactile and vestibular impairments, there are very few widely available methods to screen for somatosensory function, but studies indicate that ankle audiometry (vibration thresholds) using a common B-71 bone vibrator can serve that purpose. To date, unfortunately, this technique has received little attention as a tool to measure postural instability in older adults.
Purpose: The objective of the present study was to examine postural control in older adults with and without degradation of the somatosensory functions, as determined with ankle audiometry.
Research design: Standard group comparison.
Study sample: 36 healthy elderly aged between 65-80 years old divided in two groups (low vibration threshold (n=18) and high vibration threshold (n=18).
Data collection and analysis: Standard audiometry, video head impulse test, vibration thresholds (big toe, ankle and tibia) and static postural control task using a force platform was performed.
Results: Greater postural instability in participants with higher (worse) vibration thresholds as compared to participants with lower (better) vibration thresholds was observed even though both groups were comparable on hearing threshold and vestibular function.
Conclusion: The results indicate that performing a simple vibration threshold evaluation, using a clinically available B-71 with a cut-off value of 42 dB HL could be an effective, fast and easy to use procedure for detecting people at risk of falls.
期刊介绍:
The Journal of the American Academy of Audiology (JAAA) is the Academy''s scholarly peer-reviewed publication, issued 10 times per year and available to Academy members as a benefit of membership. The JAAA publishes articles and clinical reports in all areas of audiology, including audiological assessment, amplification, aural habilitation and rehabilitation, auditory electrophysiology, vestibular assessment, and hearing science.