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KMID : 0921420100150040506
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Korean Journal of Communication Disorders
2010 Volume.15 No. 4 p.506 ~ p.525
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Recent Trends in Evaluation and Diagnosis of Voice Disorders: A Literature Review
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Pyo Hwa-Young
Song Yun-Kyung
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Abstract
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Background & Objectives: Techniques for diagnosis and evaluation of voice disorders are changing daily with the development of science and instruments. To keep pace with this trend, we suggest the identification of recent research trends and useful data from the literature for clinical, educational and research fields.
Methods: From the research articles with the topic of voice disorder diagnosis and evaluation published between 2005 and 2010, 73 articles were selected. These articles were published in both domestic and foreign journals including The Journal of The Korean Society of Logopedics and Phoniatrics, and the Journal of Voice. The articles were divided into 5 categories: perceptual evaluation (9 articles), instrumental evaluation (37 articles), self-reporting evaluation (13 articles), comparison among the 3 types of evaluation (12 articles), and others (2 articles).
Results: Various methods to improve the reliability of perceptual evaluation have been continuously attempted, and numerous studies of instrumental evaluation have focused on the usefulness of nonlinear dynamic analysis, Phonation Threshold Pressure (PTP), and Phonation Threshold Flow (PTF). In other countries, the trend of using a self-report evaluation was a modification of existing tools for application in more various groups including singers and alaryngeal voice users. The aim in Korea was to translate those tools into Korean and test their validity. To compensate for the insufficiency of a single tool measurement, various attempts were performed to determine what combinations have the best results.
Discussion & Conclusion: According to current research trends, nonlinear dynamic analysis, PTP, and PTF should be studied in order to find the best combination of evaluation tools and to improve the students’ perceptual evaluation skills by using external standards.
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KEYWORD
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voice disorders, perceptual evaluation, instrumental evaluation, self-reporting evaluation
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