非声部创伤性声带功能亢进患者亚组语音治疗后简化的发声效率指标正常化。

IF 2.5 3区 医学 Q1 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY
Zilan Zhu, Jarrad H Van Stan, Hamzeh Ghasemzadeh, Ahsan J Cheema, Jeremy Wolfberg, Robert E Hillman, Annie B Fox, Daryush D Mehta
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引用次数: 0

摘要

目的:本研究的目的是确定简化的发声效率(VE)指标是否能准确识别非声部创伤性发声功能亢进(NPVH)患者在语音治疗后的变化。本研究分析了传统声强(声压平方)比气动功率和三个简化的声强比(a)声压级比气动功率(SPL/AP), (b)声压级比声门下压力(SPL/Ps), (c)声压级比气流(SPL/AFLOW)与治疗相关的变化。方法:回顾性分析108例(女性80例,男性28例)诊断为原发性肌张力性发声障碍(伴NPVH)的成年人和208例(女性181例,男性27例)发声健康的成年人的资料。研究参与者在语音治疗前后在舒适和大声的条件下重复辅音-元音发音,并推导出声学声压级和空气动力学测量值(Ps和AFLOW)。采用方差模型的混合设计分析分析治疗前后VE的变化。在一项探索性分析中,根据患者的治疗前VE措施将患者分为三个亚组,以调查NPVH亚组内的治疗效果。结果:NPVH组整体上未观察到治疗前后VE的变化。随后的亚组分析显示,与典型的治疗前VE指标相比,女性NPVH患者的治疗效果更高或更低。SPL/Ps在响度条件下均表现出治疗效果,并在治疗后向标准范围迁移。在传统VE和简化VE指标SPL/AP和SPL/AFLOW的响度条件下,观察到治疗后不同程度的变化。结论:声压比,尤其是声压级/声压级,显示了作为评估NPVH患者语音治疗结果的指标的潜力,并有助于将NPVH患者与声音健康值进行亚组分类。有必要进一步调查VE指标在NPVH的评估、治疗和预防中的作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simplified Vocal Efficiency Metrics Normalize Following Voice Therapy in Subgroups of Patients With Nonphonotraumatic Vocal Hyperfunction.

Purpose: The purpose of this study is to determine whether simplified vocal efficiency (VE) metrics could accurately identify changes after voice therapy in individuals with nonphonotraumatic vocal hyperfunction (NPVH). This study analyzes treatment-related changes for traditional VE-vocal intensity (square of sound pressure) over aerodynamic power-and three simplified VE ratios: (a) sound pressure level over aerodynamic power (SPL/AP), (b) SPL over subglottal pressure (SPL/Ps), and (c) SPL over airflow (SPL/AFLOW).

Method: Retrospective data from 108 adults (80 females, 28 males) diagnosed with primary muscle tension dysphonia (associated with NPVH) and 208 vocally healthy adults (181 females, 27 males). Study participants produced repeated consonant-vowel utterances in comfortable and loud conditions before and after voice therapy, with acoustic SPL and aerodynamic measurements (Ps and AFLOW) derived. Pre- to posttherapy VE changes were analyzed using mixed-design analysis of variance models. In an exploratory analysis, patients were divided into three subgroups based on their pretherapy VE measures to investigate treatment effects within NPVH subgroups.

Results: Pre- to posttherapy VE changes were not observed for the NPVH group as a whole. A subsequent subgroup analysis revealed treatment effects within female patients with NPVH exhibiting lower and higher than typical pretherapy VE metrics. SPL/Ps exhibited a treatment effect in both loudness conditions and migration toward normative ranges following therapy. Posttherapy changes were observed to varying degrees in both loudness conditions for traditional VE and simplified VE metrics of SPL/AP and SPL/AFLOW.

Conclusions: VE ratios, especially SPL/Ps, demonstrate potential as metrics for evaluating the outcome of voice therapy in individuals with NPVH and aid in stratifying individuals with NPVH into subgroups compared to vocally healthy values. Further investigations are warranted to investigate the role of VE metrics in the assessment, treatment, and prevention of NPVH.

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来源期刊
American Journal of Speech-Language Pathology
American Journal of Speech-Language Pathology AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-REHABILITATION
CiteScore
4.30
自引率
11.50%
发文量
353
审稿时长
>12 weeks
期刊介绍: Mission: AJSLP publishes peer-reviewed research and other scholarly articles on all aspects of clinical practice in speech-language pathology. The journal is an international outlet for clinical research pertaining to screening, detection, diagnosis, management, and outcomes of communication and swallowing disorders across the lifespan as well as the etiologies and characteristics of these disorders. Because of its clinical orientation, the journal disseminates research findings applicable to diverse aspects of clinical practice in speech-language pathology. AJSLP seeks to advance evidence-based practice by disseminating the results of new studies as well as providing a forum for critical reviews and meta-analyses of previously published work. Scope: The broad field of speech-language pathology, including aphasia; apraxia of speech and childhood apraxia of speech; aural rehabilitation; augmentative and alternative communication; cognitive impairment; craniofacial disorders; dysarthria; fluency disorders; language disorders in children; speech sound disorders; swallowing, dysphagia, and feeding disorders; and voice disorders.
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