对喉肌肉运动的光学流量分析
Robert A Morrison1, David T Fetzer2, Amber Patterson-Lachowicz2
1School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas, U.S.A.
The Laryngoscope
|September 29, 2023
概括
光学流量分析没有揭示用于原发性肌肉张力障碍症 (pMTD) 的喉肌肉运动的差异. 这表明喉高功能可能不是pMTD诊断的关键因素.
科学领域:
- 喉科和声音科学 喉科和声音科学
- 声调的生物机械分析.
- 诊断工具验证 诊断工具验证
背景情况:
- 主要肌肉张力失声症 (pMTD) 在发音过程中经常与喉肌肉功能过高有关.
- 目前缺乏客观,定量方法来评估喉运动模式.
- 本研究旨在验证光流作为分析这些运动的工具.
研究的目的:
- 为了验证在发音过程中对喉肌肉运动的特征的光学流.
- 量化pMTD患者和对照患者的音声光学流速和可变性,在语音负载之前和之后.
- 将光学流量测量与传统的喉腔镜,声学和自我报告的声音评估进行比较.
主要方法:
- 超声波成像和光流分析被用于量化42个受试者的喉肌肉运动速度和变异性.
- 测量是在发声开始和偏移时,在发声负载挑战之前和之后进行的.
- 还进行了标准的喉镜,声学和自我感知评估,对声力和不适进行评估.
主要成果:
- 在pMTD患者和对照人群之间没有发现对喉肌肉光流量测量的显著差异.
- pMTD患者表现出显著更大的supraglottic压缩,更高的声学扰动,并报告了增加的声力和不适.
- 声量负荷显著影响了声力和不适,但没有影响supraglottic压缩,声学或光流量测量.
结论:
- 光学流是一种可行的方法,用于研究喉肌肉在发声过程中的速度和变化.
- 喉肌肉高功能在pMTD诊断中的作用仍然不确定.
- 需要进一步的研究来澄清喉肌肉对pMTD的贡献.
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