在半封闭的声道练习中增加声道插入深度对切除的狗模型的影响
Jakob R Holm1, Sylvia Green1, Tomas K Gilvydis1
1Department of Surgery, Division of Otolaryngology, University of Wisconsin-Madison, Madison, WI.
Journal of voice : official journal of the Voice Foundation
|January 23, 2025
概括
草声化疗法显著降低了声化值压力 (PTP) 和功率 (PTW). 然而,吸管插入声道的深度在这个ex vivo研究中没有影响这些空气动力学测量.
科学领域:
- 耳鼻喉科 耳鼻喉科 耳鼻喉科
- 语音和听力科学 语言和听力科学
- 生物声学是一种生物声学.
背景情况:
- 草声疗法,一种半遮蔽声道 (SOVT) 运动,被广泛用于语音障碍治疗.
- 虽然有益,但吸管插入深度对声乐功能的特定影响仍然未经调查.
- 这项研究探讨了草声调中声道插入深度 (VTID) 的尚未探索的变量.
研究的目的:
- 量化不同吸管声道插入深度 (VTID) 对声声值压力 (PTP),声声值流量 (PTF) 和声声值功率 (PTW) 的影响.
- 测试增加VTID减少PTP,PTF和PTW的假设.
- 阐明VTID与草存在在SOVT治疗疗效中的作用.
主要方法:
- 使用了与伪肺装置连接的ex vivo狗喉模型,并模拟了声道.
- 测试了两个吸管插入深度 (20.0毫米和 60.0毫米) 与没有吸管的对照 (0.0毫米VTID).
- 在持续发音过程中收集和分析了空气动力学数据 (PTP,PTF,PTW).
主要成果:
- 与没有草的对照组相比,这两种草插入深度都显著减少了PTP和PTW.
- 在20.0毫米和60.0毫米的吸管深度之间没有观察到PTP,PTF或PTW的显著差异.
- 吸管的存在,而不是插入深度,与语音易度的提高有关.
结论:
- 草声疗法有效降低了PTP和PTW,支持其临床使用.
- 声道插入深度 (VTID) 似乎没有显著影响这些空气动力学结果.
- 未来的研究应该研究吸管尺寸 (直径,长度,深度) 的组合,以优化SOVT练习.
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