The Difference between Acoustic Characteristics of Acute Epiglottitis and Peritonsillar Abscess

Lee, Nam-Hoon; Lee, Jae-Yeon; Lee, Sang-Hyuck; Choi, Jung-Im; Song, Yun-Kyung; Jin, Sung-Min

J Korean Soc Laryngol Phoniatr Logop > Volume 21(1); 2010 > Article

Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2010;21(1): 48-53.

급성 후두개염과 편도주위 농양 환자의 발화시 조음 및 음성의 차이

이남훈¹, 이제연¹, 이상혁¹, 최정임², 송윤경³, 진성민¹

¹성균관대학교 의과대학 강북삼성병원 이비인후과학교실
²성균관대학교 의과대학 강북삼성병원 음성클리닉
³동명대학교 사회복지 재활학부

The Difference between Acoustic Characteristics of Acute Epiglottitis and Peritonsillar Abscess

Nam-Hoon Lee¹, Jae-Yeon Lee¹, Sang-Hyuck Lee¹, Jung-Im Choi², Yun-Kyung Song³, Sung-Min Jin¹

¹Department of Otorhinolaryngology-Head and Neck Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine
²Speech Voice Clinic, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine
³Department of Communication Disorders, Tongmyung University

ABSTRACT

Backgraound and Objectives : The voice change can occur in acute epiglottitis or peritonsillar abscess, and the labelings of both changes as a "muffled voice" or "hot potato voice", The aim of this study was to investigate the difference of changes in acoustic feature of voice before and after treatment in patients with acute epiglottitis or peritonsillar abscess. Subjects and Method: 13 patients with acute epiglottitis and 12 patients with peritonsillar abscess were enrolled in the study. Acoustic analysis on sustained Korean vowels /${alpha}$/, /u/ and /i/ were performed before and after treatment.
Results:
In patients with acute epiglottitis, the first formant frequency (F1) of /${alpha}$/ was increased, and the second frequency (F2) of /i/ was decreased. In patients with peritonsillar abscess, F1 and F2 of /${alpha}$/ were decreased. F1 of /i/ and /u/ were increased, while F2 were decreased.
Conclusion
: The anatomical and functional changes of oropharynx and larynx by acute epiglottitis and peritonsillar abscess can cause different change in resonance and speech quality. We suggest that these changes could be the cause of 'muffled vocie' in patients of acute epiglottitis or peritonsillar abscess, but different characteristics of phonation in each disease should be distinguished.

KEY WORDS： Acute epiglottitis;Peritonsillar abscess;Formant;Muffled voice;

중심 단어： 급성 후두개염;편도주위 농양;음형대;