레이저 구개성형술후 음성변화에 관한 음성학적 및 영상학적 연구

윤준호; 최치훈; 이창헌; 노환중; 구수권; 이상화

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자료유형: 학술저널

저자정보: 윤준호 최치훈 이창헌 노환중 구수권 이상화

저널정보: 대한이비인후과학회 대한이비인후-두경부외과학회지 대한이비인후과학회지 두경부외과학 제45권 제8호

발행연도: 2002.1

수록면: 811 - 816 (6page)

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Background and Objectives：Many people have been concerned about voice change after laser assisted uvulopalatoplasty (LAUP). A number of studies reported acoustic changes after uvulopalatopharyngoplasty (UPPP) and LAUP. However, there have not been any reports on the association between anatomic change and acoustic results after LAUP. The purpose of this study is to analyze changes in the voice and changes in the vocal tract after LAUP and to evaluate whether the anato-mical changes of vocal tract have an effect on the voice change or not. Subjects and Method：By using CSL, we analyzed (/a/, /i/, /u/, / /, /o/, /e/) and four nasal consonants (/hana/, /eomma/, /eoungga/, /chiken/). By using MR image, we analyzed changes in the vocal tract eight weeks after LAUP with preoperative findings in three cases. Results：In acoustic analysis, the second formant frequencies of /u/ and / / phonation were significantly reduced postoperatively compared to those of preoperative status. In imaging study of /u/ and / /, the uvula and soft palate were contracted, so coupling was occured betwen nasal cavity and oropharynx in /u/ and / / phona-tion and the tongue was shifted toward posterior pharyngeal wall to compensate coupling. Conclusion：LAUP reduced the second formant of /u/ and / /, which did not result in serious voice changes. (Korean J Otolaryngol 2002;45:811-6)

#레이저 구개성형술·음성·성도·음성 분석·자기공명영상. #Laser asisted uvulopalatoplasty #LAUP)· Voice· Vocal tract· Acousitc analysis· MR image.

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