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KMID : 0361020010440101091
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Korean Journal of Otolaryngology - Head and Neck Surgery
2001 Volume.44 No. 10 p.1091 ~ p.1096
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Videokymographic Findings of Non-Organic Voice Disorders
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안철민/Cheol Min Ahn
문고정/정덕희/Ko Jeong Moon/Duk Hee Chung
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Abstract
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Background and Objectives : Non-organic voice disorders are very difficult to diagnose. The authors attempted to find out the efficiency of videokymography (VKG) which has been newly developed to evaluate the vibratory characteristics of the
vocal
folds
in non-organic voice disorders. Materials and Methods : Eighty-seven patients who had voice changes without organic laryngeal pathology were evaluated. We ascertained the larynx to be free of organic disorders using the stroboscopy, following
which
the
VKG examination was performed. The results of VKG were classified according to the common features. Results : Type Ⅰ showed the normal findings. Asymmetry in the amplitude of upper lips was seen in the type Ⅱ. Type Ⅲ showed thick glottal
contact.
Type Ⅳshowed level difference, thick glottal contact and asymmetry in the amplitude of upper lips. Type Ⅴhad several different amplitudes of the upper lip seen in one cycle of the mucosal wave. Type Ⅵ had level difference with thin glottal
contact
and asymmetry in the amplitude of upper. Conclusions : Based on these results, we were able to see the different types of VKG and that VKG could be used as a supplementary diagnostic tool in the non-organic voice disorders.
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