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J Korean Soc Laryngol Phoniatr Logop > Volume 10(1); 1999 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 1999;10(1): 5-11.
정상인과 성대용종 환자에서의 공기역학적 검사
서장수1, 송시연1, 정유선1, 김정수1, 지덕환1, 이무경2
1영남대학교 의과대학 이비인후과학교실2영남대학교 의과대학 음성언어연구실
Aerodynamic Study in Normal Korean and Patients with Vocal Polyp
Background and Objectives
: Recently, many people suffering from voice change visit otolaryngologist. So, it is important to study vocal function in patients with glottic or laryngeal disease. Aerodynamic investigation is valuable information about the efficiency of the larynx in translating air pressure to acoustic signal. The purpose of this study was to investigate the aerodynamic data in patients with vocal polyp, compare this data with that of the normal Korean.
Materials and Method
s : In aerodynamic study, maximum phonation time, mean air flow rate, phonatory flow volume and subglottal pressure were tested by using Aerophone II voice function analyzer in 157 normal korean and 143 patients with vocal polyp, aged from 20 to 69 years randomly selected.
: In vocal polyp, maximum phonation time was significantly decreased and mean air How rate was increased. Phonatory flow volume was significantly decreased and subglottic pressure was increased only in female with vocal polyp. These data will be served as basic data of evaluation after treatment and postoperative assessment of the patients with vocal polyp.
KEY WORDS: Vocal polyp;Aerodynamic study;
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