OBJECTIVES/HYPOTHESIS: The main purpose of the study was to determine the impact of uvulopalatopharyngoplasty (UPPP) on nasalance and nasality. It was hypothesized that nasalance would change from the presurgical to the postsurgical condition because the surgical protocol involves removal of palatal tissue. An additional objective of the study was to provide objective and subjective data about changes in voice and articulation after UPPP. Because the surgical procedure of UPPP does not involve laryngeal tissue, it was hypothesized that the voice characteristics remain relatively stable. Because of removal of effective velar length, articulation problems of the uvular /R/ can occur in the Dutch language. STUDY DESIGN: Prospective study in which 26 men were studied before (1 week before UPPP) and after (3 weeks after UPPP) surgery. METHODS: The Nasometer was used to obtain nasalance scores. The mirror-fogging test, a perceptual evaluation of each subject's readings, and the Gutzmann and the Bzoch hypernasality tests were used for the assessment of nasality. For the assessment of articulation, a phonetic analysis was performed. Voice assessment included a perceptual rating of the voice and a determination of fundamental frequency. RESULTS: No significant differences were found between the conditions before and after surgery regarding nasalance (except for the vowel /i/), nasality, and voice. Regarding articulation, only 1 patient showed a derhotacized /R/. CONCLUSIONS: The findings of the study indicate that UPPP does not have an impact on nasality, voice, and articulation. Regarding nasalance, no significant nasalance change occurred after UPPP, except for the high vowel /i/.
OBJECTIVES/HYPOTHESIS: The main purpose of the study was to determine the impact of uvulopalatopharyngoplasty (UPPP) on nasalance and nasality. It was hypothesized that nasalance would change from the presurgical to the postsurgical condition because the surgical protocol involves removal of palatal tissue. An additional objective of the study was to provide objective and subjective data about changes in voice and articulation after UPPP. Because the surgical procedure of UPPP does not involve laryngeal tissue, it was hypothesized that the voice characteristics remain relatively stable. Because of removal of effective velar length, articulation problems of the uvular /R/ can occur in the Dutch language. STUDY DESIGN: Prospective study in which 26 men were studied before (1 week before UPPP) and after (3 weeks after UPPP) surgery. METHODS: The Nasometer was used to obtain nasalance scores. The mirror-fogging test, a perceptual evaluation of each subject's readings, and the Gutzmann and the Bzoch hypernasality tests were used for the assessment of nasality. For the assessment of articulation, a phonetic analysis was performed. Voice assessment included a perceptual rating of the voice and a determination of fundamental frequency. RESULTS: No significant differences were found between the conditions before and after surgery regarding nasalance (except for the vowel /i/), nasality, and voice. Regarding articulation, only 1 patient showed a derhotacized /R/. CONCLUSIONS: The findings of the study indicate that UPPP does not have an impact on nasality, voice, and articulation. Regarding nasalance, no significant nasalance change occurred after UPPP, except for the high vowel /i/.
Authors: Doğan Atan; Kürşat Murat Özcan; Aykut İkincioğulları; Sabri Köseoğlu; Mehmet Ali Çetin; Serdar Ensari; Hüseyin Dere Journal: Sleep Breath Date: 2014-12-09 Impact factor: 2.816
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