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Voice function following Han's uvulopalatopharyngoplasty

Published online by Cambridge University Press:  26 August 2011

D Han ,
W Xu ,
R Hu  and
L Zhang
D Han
Affiliation:
Department of Otorhinolaryngology–Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, and Key Laboratory of Otorhinolaryngology Head and Neck Surgery, Ministry of Education, Beijing, China
W Xu*
Affiliation:
Department of Otorhinolaryngology–Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, and Key Laboratory of Otorhinolaryngology Head and Neck Surgery, Ministry of Education, Beijing, China
R Hu
Affiliation:
Department of Otorhinolaryngology–Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, and Key Laboratory of Otorhinolaryngology Head and Neck Surgery, Ministry of Education, Beijing, China
L Zhang
Affiliation:
Department of Otorhinolaryngology–Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, and Key Laboratory of Otorhinolaryngology Head and Neck Surgery, Ministry of Education, Beijing, China
*
Address for correspondence: Dr Wen Xu, Department of Otorhinolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, 1 Dongjiaominxiang, Beijing 100730, China Fax: +86 10 65288441 E-mail: entwen@trhos.com
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Abstract

Objective:

To investigate voice function following Han's uvulopalatopharyngoplasty.

Patients and methods:

Acoustic and articulatory function was examined by acoustic analysis and by formant frequency and bandwidth analysis, before and after Han's uvulopalatopharyngoplasty, in 56 patients with obstructive sleep apnoea hypopnoea syndrome.

Results:

These patients' normalised noise energy was higher than normal, and improved post-operatively. Their pre-operative F1, F2, and F3 formant frequencies and B1 and B2 formant bandwidths were significantly lower than those of normal controls; however, one month after surgery their F1 and F2 frequencies were markedly higher.

Conclusion:

The acoustic and articulatory characteristics of obstructive sleep apnoea hypopnoea syndrome patients differed from those of normal subjects. After Han's uvulopalatopharyngoplasty, obstructive factors in the oropharynx were relieved, allowing oropharyngeal cavity expansion and a gradual increase in formant frequency to within the normal range. Patients' vocal quality improved and their resonator and articulator functions were protected and enhanced.

Keywords

Sleep Apnea, ObstructiveSurgerySpeechAcoustics
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 126 , Issue 1 , January 2012 , pp. 47 - 51
Copyright
Copyright © JLO (1984) Limited 2011

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