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KMID : 0361020190620110637
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Korean Journal of Otolaryngology - Head and Neck Surgery
2019 Volume.62 No. 11 p.637 ~ p.641
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The Effect of Adenotonsillectomy on Korean Children’s Voice
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Park Geun-Hyung
Kwon Soon-Bok
Koh Tae-Kyung
Koo Soo-Kweon
Lee Sang-Hoon
Lee Ho-Byoung
Gi Chang-Lok
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Abstract
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Background and Objectives: Adenotonsillectomy is a commonly performed surgical procedurecarried out by otolaryngologists for children. Anatomical changes to the vocal tractoccur after the surgery and may alter the patient’s voice. This study evaluated the effects ofadenotonsillectomy on the voice in Korean children.
Subjects and Method: A total of 20 children who underwent adenotonsillectomy were enrolled. The speech of patients was recorded before and at one month of the surgery and acousticfeatures, especially the formant frequency, were analyzed. Perceptual analysis was alsocarried out and the Pediatric Voice Handicap Index (PVHI) questionnaire was used to assesssubjective changes in the children’s voice and the effects of these changes on social functions.
Results: Acoustic analysis revealed significant decreases in the vowel /i/ in the second formant,compact-diffuse, and grave-acute features of the voice (p=0.026, 0.022, and 0.031, respectively). A significant decrease was also observed in the intensity of the voice for the vowel/u/ (p=0.025). Perceptual analysis revealed that 86.6% of patients’ voice recordings had postoperativechanges. The mean preoperative PVHI score was 2.70±3.37, which decreased to1.65±2.21 (p=0.011) after the surgery.
Conclusion: The results suggest that adenotonsillectomy affects Korean children’s voicesboth acoustically and perceptually.
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KEYWORD
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Child , Korea , Tonsillectomy , Voice
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