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J Korean Soc Laryngol Phoniatr Logop > Volume 17(2); 2006 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2006;17(2): 127-132.
기능성 발성장애의 임상적 특성
서우정, 홍영혜, 최종민, 정은정, 성명훈, 김광현, 권택균
서울대학교 의과대학 이비인후과학교실
Clinical Characteristics of Functional Dysphonia
Woo-Jung Suh, Young-Hye Hong, Jong-Min Choi, Eun-Jung Jung, Myung-Whun Sung, Kwang-Hyun Kim, Tack-Kyun Kwon
Department of Otolaryngology, College of Medicine, Seoul National University
Background and Objectives : Functional dysphonia is a voice disturbance in the absence of structural or neurologic laryngeal pathology characterized by voluntary misuse of laryngeal muscles. The present report reviews clinical characteristics of 25 patients with functional dysphonia. Materials and Method : We analyzed medical records, perceptual and acoustic analysis of voice samples, aerodynamic studies and laryngoscopy. Results : There was no sex or age predilection. Eighty four percent of patients presented sudden onset of symptoms and 76% had specific events at the onset. Most patients showed breathy or strained voice and various degree of vocal fold insufficiency with supraglottic compensatory contractions. Acoustic analysis revealed non-diagnostic, but mean flow rate was lower than normal in all cases. All patients responded to voice therapy except for 4 patients who were tort to follow up. Mean number of voice therapy sessions required to get responses is 1.9 sessions. Conclusion : We concluded that patients with functional dysphonia responded very well to short-term voice therapy and should be included in differential diagnosis in patients with dysphonia cannot be explained by structural or neurologic etiology.
KEY WORDS: Dysphonia;Functional dysphonia;Voice disorders;Hyperkinetic dysphonia;
중심 단어: 발성장애;기능성 발성장애;성대질환;과운동성 발성장애;
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