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J Korean Soc Laryngol Phoniatr Logop > Volume 13(1); 2002 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2002;13(1): 18-22.
음주에 따른 음성 변화에 대한 고찰
조재식, 김정현, 윤제환, 조형호, 조연
전남대학교 의과대학 이비인후과학교실
Studies on Voice Changes Associated with Alcohol Intake
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ABSTRACT
Background and Objectives
: It has been pointed out that alcohol intake in human beings induces changes in voice register and maximum phonation time. These changes supposedly result from injection of the vibratory vocal folds. The purpose of this study was to clarify the voice changes associated with alcohol intake and the changes of laryngeal mucosa.
Materials and Method
s : The subjects included 29 volunteers, including 20 men and 9 women ranging in age from 22 to 31 years. Alcohol intake was accomplished by oral administration of 23% soju 1 bottle (255cc). Serum alcohol concentration levels were evaluated hourly for 3 h after ingestion of alcohol. Seven measurements were performed at pre-alcohol intake and post-alcohol intake hourly : fundamental frequency, jitter, shimmer, noise to harmonic ratio as the acoustic analysis, maximal phonation time, mean flow rate, and subglottal pressure as the aerodynamic analysis. The changes of laryngeal mucosa were evaluated by flexible laryngoscope at each measurement.
Results
: By comparing the acoustic and aerodynamic data and laryngeal mucosa before and after alcohol intake, there were not remarkable changes (p>0.05).
Conclusion
: The voice and laryngeal mucosa have not remarkably changed according to alcohol concentration in this study. Furthermore studies on the voice change induced by multiple alcohol concentrations are required.
KEY WORDS: Alcohol;Acoustics;Phonation;
중심 단어: 음주;음향학적 검사;음성;
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