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Original Article
An Acoustic Study on Voice Change after Tonsillectomy
Hwan Ho Lee, Joo Yeon Kim, Yong Hyeon No
Kosin Medical Journal 2012;27(2):127-131.
DOI: https://doi.org/10.7180/kmj.2012.27.2.127
Published online: December 27, 2012

Department of Otolaryngology-Head and Neck Surgery, College of Medicine, Kosin University, Busan, Korea.

Corresponding Author: Joo Yeon Kim, Department of Otolaryngology-Head and Neck Surgery, Kosin University, College of Medicine, 34, Amnam-dong, Seo-gu, Busan 602-702, Korea. TEL: +82-51-990-6248, FAX: +82-51-245-8539, oooo95@hanmail.net
• Received: May 24, 2012   • Revised: July 11, 2012   • Accepted: September 28, 2012

Copyright © 2012 Kosin University College of Medicine

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  • Objectives
    Many people have been concerned about voice change after tonsillectomy. The purpose of this study is to analyze changes in the voice and to think about changes in the vocal tract after surgery by using CSL-MDVP.
  • Methods
    Data of 27 patients who underwent tonsillectomy were prospectively evaluated. Acoustic analysis was performed before, after 1 week, after 1 month from the surgery. Nasometer was also conducted.
  • Results
    In acoustic analysis, there were no significant changes in F0, jitter, shimmer, NHR, VTI, SPI. But vAM was statistically increased. Vowels and nasal consonants formant frequency analysis results in patients showed no statistically correlation in 1months after tonsillectomy. Although the statistically increased in the nasal consonants /하나/.
  • Conclusions
    Although the temporary increase or decrease in the acoustic factor or formant in the vowels and nasal consonants after tonsillectomy, but most factors are make no difference. The voice change that come postoperatively could be considered as no concern, but surgeons need to aware of various facts, which can affect voice changes before the surgery.
  • 1. Kim IT, Song SY, Chang KH, Jeon JH, Kim HJ. The Effect of Tonsillectomy and Adenoidectomy on Nasality in Children. Korean J Otolaryngol-Head Neck Surg 2000;43:615–619.
  • 2. Park HS, Choi YJ, Oh JH, Kim SW, Lee HH, Kim JY. Nasalance Changes After Tonsillectomy and Adenoidectomy. J Korean Soc Logoped Phoniatr 2011;22:115–118.
  • 3. Lee JH, Koo GJ, Koo HE, Kim YC, Koo SK, Lee SH, et al. An Acoustic and Radiologic Study on Voice Change after Tonsillectomy and Adenotonsillectomy. Korean J Otolaryngol-Head Neck Surg 1999;42:762–769.
  • 4. Gould WJ. Surgery in professional singers. Ear Nose Throat J 1987;66:327–332.PubMed
  • 5. Williams RG, Preece M, Rhys R, Eccles R. The effect of adenoid and tonsil surgery on nasalance. Clin Otolaryngol Allied Sci 1992;17:136–140.ArticlePubMed
  • 6. Nam SY, Suh SB, Chang Y. The effect of Tonsillectomy and Adenoidectomy on Nasality. Korean J Otolaryngol-Head Neck Surg 1999;42:354–357.
  • 7. Hong JC, Lee KD, Kim WS, Jang AL, Kim KA, Kwon SB. Voice Analysis of Vocal polyp and Vocal nodule before and after Microlaryngeal surgery. J Korean Soc Logoped Phoniatr 2009;20:42–46.
  • 8. Coleman RF, Sly DE. Preoperative and postoperative voice analysis of uvulopalatopharyngoplasty patients. Arch Otolaryngol Head Neck Surg 1991;117:1345–1349.ArticlePubMed
  • 9. Lim ST, Sohn JH, Ryu JW, Kang JW, Lee HS, Shin SH, et al. The Effect of Tonsillectomy and Adenoidectomy on Acoustic Factors. J Korean Soc Logoped Phoniatr 1998;9:38–42.
  • 10. Hong KH, Kim YJ, Kim YK. An effect of tonsillectomy on formant and nasality. Korean J Otolaryngol-Head Neck Surg 1994;37:543–552.
Table 1
Age and sex distribution (n=27)
kmj-27-127-i001-l.jpg
Table 2
The change of voice parameters before, 1 weeks and 1 months after tonsillectomy and adenoidectomy
kmj-27-127-i002-l.jpg

*P < 0.05: compared with pre op

Table 3
Mean value of formant frequencies of vowels and nasal consonants
kmj-27-127-i003-l.jpg

*P < 0.05 : compared with pre op

*F1, F2: First and second formant frequency, respectively

Figure & Data

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        An Acoustic Study on Voice Change after Tonsillectomy
        Kosin Med J. 2012;27(2):127-131.   Published online December 27, 2012
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      An Acoustic Study on Voice Change after Tonsillectomy
      An Acoustic Study on Voice Change after Tonsillectomy
      Table 1 Age and sex distribution (n=27)

      Table 2 The change of voice parameters before, 1 weeks and 1 months after tonsillectomy and adenoidectomy

      *P < 0.05: compared with pre op

      Table 3 Mean value of formant frequencies of vowels and nasal consonants

      *P < 0.05 : compared with pre op

      *F1, F2: First and second formant frequency, respectively


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