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  • Title: Nasendoscopic evaluation of stress velopharyngeal insufficiency in wind musicians: a pilot study.
    Author: Evans A, Driscoll T, Livesey J, Fitzsimons D, Ackermann B.
    Journal: Med Probl Perform Art; 2015 Mar; 30(1):47-53. PubMed ID: 25743606.
    Abstract:
    OBJECTIVE: To investigate the anatomy and function of the velopharyngeal mechanism in musicians who experience symptoms of stress velopharyngeal insufficiency (VPI) compared to musicians who do not. METHODS: The velopharyngeal mechanism of 13 musicians, 8 with reported symptoms of stress VPI and 5 without, were evaluated using video nasendoscopy before and after 30 minutes of playing. All nasendoscopic recordings were rated by an external speech-language pathologist and ear, nose and throat surgeon for maintenance of velopharyngeal closure, type of velopharyngeal closure pattern, and velopharyngeal gap. RESULTS: Six out of 8 cases with stress VPI had nasal air leak during the assessment, 2 of whom had fatigue-related increased symptoms. Three controls had mild nasal air leak without affecting the consistency of soft palate seal nor quality of playing, suggesting that evidence of nasal air leak is not always symptomatic of stress VPI. All cases had unusual anatomical characteristics, such as the soft palate closing against an irregular surface on the posterior nasopharyngeal wall, which may cause insufficient velopharyngeal closure. Typically the soft palate contacted the nasopharyngeal wall higher when playing a wind instrument compared to during speech. CONCLUSION: Specific anatomical features and factors such as fatigue and stress may affect maintenance of velopharyngeal closure in persons with stress VPI. It is important that musicians with stress VPI are evaluated while playing their instrument. Future studies into stress VPI would benefit by including objective assessment components and some degree of quantifiable measurements.
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