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J Korean Soc Laryngol Phoniatr Logop > Volume 8(1); 1997 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 1997;8(1): 54-58.
연축성 발성장애의 임상적 고찰
최홍식, 문형진, 김상균, 이준협, 안성윤, 김광문
연세대학교 의과대학 이비인후과교실, 음성언어의학연구소
Clinical Analysis of Spasmodic Dysphonia
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ABSTRACT
Spasmodic dysphonia is an uncommon and poorly understood disorder of motor control of laryngeal speech. We analysed 88 patients with spasmodic dysphonia, using chart review. These patients had historical information evaluated for age of onset(mean 39.2 years), duration of symptoms(mean 8.8 years), sex(4.2 : 1 female to male) family history(positive in 16.7%), and primary(84.8%) and secondary(15.2%) etiology : neurological evaluation for other dystonic involvement(40.7%). Eighty-three patients(94.3%) had adductor type of spasmodic dysphonia and 4 patients were abductor type and 1 patient was mixed type. All patients had normal thyroid and parathyroid functions and among 46cases, 8 patients had abnormal brain MRI finding. seventeen patients were evaluated by auditory brainstem response parameters. four out of the 17 patiemts had prolonged wave Ⅰ-Ⅴ interpeak latency.
KEY WORDS: Spasmodic dysphonia;Clinical analysis;
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