功能性发声障碍职业用嗓者嗓音训练前后嗓音音域图及声学分析研究

Changes of the Voice Range Profile and Acoustic Parameters before and after Vocal Training for Professional Voice User

刘雪莱;李明红;周诗侗;赵彦;徐丹;方红雁;

1:重庆市人民医院耳鼻咽喉科

摘要

目的评估发声训练的临床疗效及音域图(voice range profile,VRP)在嗓音评估中的作用。方法对100例功能性发声障碍职业用嗓者进行为期8周的发声训练,包括:放松训练、呼吸训练、共鸣及构音训练、振动训练及发声综合训练;训练前后采用德国XION DIVAS系统对受试者进行音域图测试及声学分析,比较训练前后最大声强、最小声强、最高基频、最低基频、基频微扰(jitter)、最长发声时间(maximum phonation time,MPT)及嗓音障碍严重指数(dysphonia severity index,DSI)的变化。结果 100例受试者发声训练后音域图各指标均有不同程度改善,最大声强均值由90.33 dB SPL增加至95.00 dB SPL;最小声强均值由47.26 dB SPL降低至43.71 dB SPL;最高频率均值由506.29 Hz增加至682.05 Hz;jitter均值由训练前的2.50%改善至0.73%;MPT均值由训练前的12.92±2.91 s改善至23.64±1.05 s,DSI从训练前的-2.89±1.86改善为5.43±0.79,差异均有统计学意义(均为P<0.05)。结论发声训练对改善职业用嗓者的功能性发声障碍切实有效,可改善其嗓音质量,音域图可作为职业用嗓者发声训练效果的评估手段。

关键词

职业用嗓人群;发声训练;音域图;声学参数

基金项目(Foundation):

重庆市卫生委重点科研项目（2015MSXM068)

作者

刘雪莱;李明红;周诗侗;赵彦;徐丹;方红雁;

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