Audiological and electrophysiological assessment of professional orchestral musicians
Avaliação audiológica e eletrofisiológica em músicos profissionais de orquestra
Alessandra Giannella Samelli; Camila Maia Rabelo; Liliane Aparecida Fagundes Silva; Denise Gonzaga; Joyce Miranda Santiago; Fernanda Cristina Leite Magliaro; Carla Gentile Matas
Abstract
Purpose: to verify whether the frequent musical exposure can impair peripheral and central auditory pathway responses in professional orchestral musicians.
Methods: 45 male individuals from 19 to 40 years old participated in the study. They were divided into two groups: one comprising 30 orchestral musicians who played strings or wind instruments, and another with 15 nonmusicians. The two groups were submitted to both conventional and high-frequency pure-tone audiometry, transientevoked otoacoustic emissions, and frequency-following response. The results were subjected to descriptive and inferential statistical analysis, using the one-way ANOVA unmatched samples parametric test, with a 5% significance level.
Results: no significant differences were observed between the hearing thresholds in both conventional and high-frequency audiometry and frequency-following response. However, there were statistically significant differences between transient-evoked otoacoustic emission responses, with lower responses to musicians in comparison to the nonmusician group.
Conclusion: the results suggest that frequent musical exposure experienced by orchestral musicians can impair the cochlear hair cells’ function. Therefore, audiological monitoring is important to detect subclinical impairments.
Keywords
Resumo
Objetivo: verificar se a frequente exposição musical é capaz de prejudicar as respostas das vias auditivas periférica e central em músicos profissionais de orquestra.
Métodos: participaram 45 indivíduos do sexo masculino, entre 19 e 40 anos, divididos em Grupo de músicos formado por 30 músicos de orquestra que tocavam instrumentos de corda ou de sopro, e Grupo de não músicos formado por 15 indivíduos. Ambos os grupos foram submetidos à audiometria tonal nas frequências convencionais e em altas frequências, Emissões Otoacústicas Transientes e Frequency Following Response. Os resultados foram submetidos à análise estatística descritiva e inferencial, por meio do teste ANOVA One-Way para amostras não pareadas, sendo o nível de significância de 5%.
Resultados: não houve diferenças significantes entre os limiares auditivos, tanto nas frequências convencionais quanto nas altas frequências e no Frequency Following Response. No entanto, observou-se diferenças entre as respostas das Emissões Otoacústicas Transientes, sendo que os músicos apresentaram respostas diminuídas em relação ao grupo de não músicos.
Conclusão: os resultados sugeriram que a frequente exposição musical que indivíduos que tocam em orquestra vivenciam é capaz de prejudicar a função das células ciliadas da cóclea. Sendo assim, o monitoramento audiológico é importante a fim de detectar alterações subclínicas.
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Referências
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Submetido em:
11/11/2019
Aceito em:
23/03/2020
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