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Eur Ann Otorhinolaryngol Head Neck Dis ; 135(6): 389-392, 2018 Dec.
Article in English | MEDLINE | ID: mdl-30217681

ABSTRACT

INTRODUCTION: Otolaryngologists commonly observe asymmetrical movements of the arytenoid cartilages, but few authors have described the clinical implications of this asymmetry, especially in singers. OBJECTIVES: The aim of this study was to determine the epidemiological and clinical characteristics of arytenoid asymmetry in adduction in a group of healthy opera singers and to evaluate the impact of this asymmetry on the voice. PATIENTS AND METHODS: The medical charts and laryngeal video recordings of 245 healthy opera singers were retrospectively reviewed. Arytenoid asymmetry was defined in relation to the position of the corniculate cartilages, cuneiform cartilages and aryepiglottic angle. RESULTS: The subjects had a mean age of 38.54years (range: 18 to 85 years) and presented a male-to-female sex ratio of 1.02. About 5% of subjects had a history of smoking. The most common vocal symptoms were occasional dysphonia (4%), followed by vocal fatigue (2%) and pharyngeal dryness (2%). Arytenoid asymmetry was slightly more common in males (50.6%) and predominantly affected the right side (64.5%). The most common form of asymmetry was cuneiform asymmetry (37.5%), followed by aryepiglottic angle asymmetry in 33.1% of cases and corniculate asymmetry in 29.4% of cases. Mild asymmetry was observed in the majority of cases. No correlation was observed between arytenoid asymmetry and vocal symptoms. CONCLUSION: Almost one out of two singers was likely to present arytenoid asymmetry in adduction. The presence of this asymmetry does not appear to be correlated with any vocal symptoms.


Subject(s)
Arytenoid Cartilage/pathology , Occupational Diseases/etiology , Singing , Voice Disorders/etiology , Adolescent , Adult , Aged , Aged, 80 and over , Female , Humans , Laryngoscopy , Male , Middle Aged , Retrospective Studies , Video Recording , Young Adult
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