Abstract：
UNLABELLED:Children dysphonia studies have reported an incidence of 4.4 to 30.3%. GOALS:To establish the prevalence of dysphonia in children, based on the opinion of the parents, acoustic and vocal-perceptual assessments, associated symptoms, risk factors and videolaryngoscopy findings. MATERIALS AND METHODS:The parents from 2,000 children answered a questionnaire about the vocal quality of their children, and these children were submitted to perceptual vocal, acoustic and videolaryngoscopy assessments. RESULTS:We had 1,007 boys and 993 girls; sporadic symptoms were reported by 206 parents and permanent symptoms were reported by 123. In the perceptual assessment, the G parameter (degree of dysphonia) had a score of 0 in 694 voices; 1 in 1,065 and 2 in 228. There was f0 reduction with age and the remaining acoustic parameters were high in children with a G score of 2. Nodules, thickening and inflammation were the most common in the videolaryngoscopy exams. CONCLUSIONS:Parental judgment indicated a prevalence of dysphonia in 6.15%, and perceptual analysis yielded a value of 11.4%. Vocal symptoms were associated with a phonatory overload. sinonasal disorders, vocal abuse and noise were considered relevant risk factors. The acoustic analysis kept a direct association with the perceptual-auditory. Laryngeal lesions were found in the videolaryngoscopy exams, stressing nodules, thickening and inflammation.
journal_name
Braz J Otorhinolaryngoljournal_title
Brazilian journal of otorhinolaryngologyauthors
Tavares EL,Brasolotto A,Santana MF,Padovan CA,Martins RHsubject
Has Abstractpub_date
2011-11-01 00:00:00pages
736-46issue
6eissn
1808-8694issn
1808-8686pii
S1808-8694(15)30730-8journal_volume
77pub_type
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