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J Korean Soc Laryngol Phoniatr Logop > Volume 9(1); 1998 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 1998;9(1): 22-26.
구개수구개인두성형술 이후의 음성변화
손영익, 김선일, 윤영선, 추광철, 정원호
성균관대학교 의과대학 삼성서울병원 이비인후과학교실
Voice Changes after Uvulopalatopharyngoplasty
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ABSTRACT
Uvulopalatopharyngoplasty(UPPP) is one of the most popular surgical procedure for the treatment of obstructive sleep apnea syndrome(OSAS) occurring at the level of oropharynx. However, voice changes after UPPP have been a challenging issue for the professional voice users, because even minor changes in voice quality or articulation may be critical to professional singers, teachers, and so on. Several acoustic changes after UPPP have been proposed. However, based on the authors understanding, there is no report about voice changes after UPPP in Korean. We measured the first, second and third formant frequencies of /a/, /i/, /u/ phonations in 20 adult male patients who had undergone UPPP surgery, and the nasalances of Rabbit, Baby, and Mama passages. These parameters were measured preoperatively, at 1 month and 3 months after the operation. Any subjective voice changes were asked to be reported at the posto-perative visits. The third formant(F3) of /u/ phonation was significantly reduced at postoperative 1 month measurement. The nasalance of Mama passage was singnificantly increased at postoperative 3 months measurement. No one complained of subjective changes in voice quality, timbre, articulation or speech. Even though there are no complaints about postoperative voice changes subjectively, significant changes in the formant characteristics of certain vowel and changes in the nasality after UPPP require the clinicians to be mort cautious and careful in deciding UPPP for the professional voice users.
KEY WORDS: Uvuloplatopharyngoplsty(UPPP);Voice;Professional voice user;
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