정상 성인 여성 화자와 기능적 음성장애 성인 여성 화자의 문단 낭독 시 공기역학적 특성 비교
Comparison of Aerodynamic Characteristics in Female Adults with Normal Function and with Functional Voice Disorders during Reading Paragraph Tasks
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초록
Purpose: Aerodynamic characteristics of the patients with voice disorder should be evaluated not only in sustained vowel phonation but also in continuous speech production. This study was performed to compare aerodynamic characteristics during reading paragraph tasks in normal female adults and female adult patients with functional voice disorders. Methods: Fifty female adults with normal function and 50 female voice disorder patients participated in aerodynamic measurements during the reading paragraph. Among the results, 9 measurements were analyzed: total duration, number of inspiration, phonation time with voiced sounds, expiratory and inspiratory airflow duration, peak expiratory and inspiratory airflow, expiratory and inspiratory volume. Results: In all of the measurements, the patient group showed higher levels than the normal group. Seven measurements, excluding phonation time with voiced sounds and peak inspiratory airflow, showed significant differences between the two groups. Matching the total duration multiple regression analyses showed that 94.2% of the variance in the inspiratory volume was accounted by expiratory volume and number of inspiration, and 56.3% of peak expiratory airflow was done by peak inspiratory airflow. Conclusion: It was shown that the patient group used longer duration and higher airflow rate and volume in continuous speech compared to the normal group. We expect that aerodynamic evaluation and analysis in the continuous speech will help the valid assessment and intervention for the patients with voice disorders.
Abstract
Purpose: Aerodynamic characteristics of the patients with voice disorder should be evaluated not only in sustained vowel phonation but also in continuous speech production. This study was performed to compare aerodynamic characteristics during reading paragraph tasks in normal female adults and female adult patients with functional voice disorders. Methods: Fifty female adults with normal function and 50 female voice disorder patients participated in aerodynamic measurements during the reading paragraph. Among the results, 9 measurements were analyzed: total duration, number of inspiration, phonation time with voiced sounds, expiratory and inspiratory airflow duration, peak expiratory and inspiratory airflow, expiratory and inspiratory volume. Results: In all of the measurements, the patient group showed higher levels than the normal group. Seven measurements, excluding phonation time with voiced sounds and peak inspiratory airflow, showed significant differences between the two groups. Matching the total duration multiple regression analyses showed that 94.2% of the variance in the inspiratory volume was accounted by expiratory volume and number of inspiration, and 56.3% of peak expiratory airflow was done by peak inspiratory airflow. Conclusion: It was shown that the patient group used longer duration and higher airflow rate and volume in continuous speech compared to the normal group. We expect that aerodynamic evaluation and analysis in the continuous speech will help the valid assessment and intervention for the patients with voice disorders.
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