The effectiveness of voice therapy for patients with non-organic dysphonia.

P N Carding, I A Horsley, G J Docherty
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引用次数: 45

Abstract

Forty-five patients diagnosed as having non-organic dysphonia were assigned in rotation to one of three groups. Patients in one group received no treatment and acted as a control group. Patients in the other two groups received a programme of either 'indirect' therapy or 'direct with indirect' therapy, respectively. A self-report questionnaire of vocal performance, observed ratings of voice quality, and computer-derived acoustic measurements (signal-to-noise ratio, pitch perturbation and amplitude perturbation) were carried out on all patients before and after treatment to evaluate the changes in voice quality over time. There was a significant difference between the three groups on the self-report questionnaire, voice quality ratings and pitch perturbation measurements (P = < 0.05). Thirteen out of 15 control patients showed no significant change on any of the measures. Seven patients who received indirect treatment showed significant improvement in voice quality following treatment. Fourteen out of 15 patients who received direct treatment showed significant improvement in voice quality.

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语音治疗对非器质性发声障碍患者的疗效。
45名诊断为非器质性发音障碍的患者被轮流分配到三组中的一组。其中一组患者不接受治疗,作为对照组。另外两组患者分别接受“间接”治疗或“直接与间接”治疗。在治疗前后对所有患者进行声音表现自我报告问卷、观察到的声音质量评分和计算机衍生的声学测量(信噪比、音高扰动和幅度扰动),以评估声音质量随时间的变化。三组在自述问卷、语音质量评分和音高扰动测量上差异有统计学意义(P = < 0.05)。15名对照患者中有13名在任何一项指标上都没有明显变化。7例接受间接治疗的患者在治疗后语音质量有明显改善。在接受直接治疗的15名患者中,有14名患者的语音质量得到了显著改善。
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