在使用柔性喉强光镜探索声带动态的方法
Walter Tenesaca1,2, Roberto Fernández-Baillo3, Isabel Cardoso1
1Department of Otorhinolaryngology and Head and Neck Surgery Vithas Arturo Soria Hospital Madrid Spain.
喉侧视镜 (LS) 改变了声的动态,可能会对粘膜波 (MW) 的评估产生偏见. 在LS期间的一种语音分析方法揭示了显著的变化,强调了临床医生在评估过程中需要考虑这些影响的必要性.
科学领域:
- 喉科和声音科学 喉科和声音科学
- 声音的声学分析.
- 声生理学 声生理学
背景情况:
- 粘膜波 (MW) 对于评估声功能至关重要.
- 喉间隔视镜 (LS) 是MW评估的主要工具.
- 语音的技术因素可能会扭曲声自由边缘 (FE) 动态,可能会影响解释.
研究的目的:
- 分析FE动态,特别是MW,在LS期间使用语音信号分析.
- 将这些动态与没有LS的习惯声调进行比较.
- 确定语音分析是否可以在临床实践中补充LS.
主要方法:
- 对137名成年受试者进行描述性研究,这些受试者有不同的声状况.
- 使用Voice OnlineLab VCS工具在习惯性发音和LS期间分析的语音录音.
- 分析的关键参数:F0,张力指数,喉间隙大小,MW指数,以及闭/开相.
主要成果:
- 在LS期间,平均F0值显著增加.
- 观察到的相关值的变化反映了张力,接触类型和MW.
- 在男性和女性参与者之间确定了不同的补偿模式.
结论:
- LS显著改变了音声手势和FE振荡动态.
- 这些变化可能会在临床评估中引入偏见.
- 在解释结果时,临床医生应该意识到这些LS诱导的变化.
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