Título:	Prevalência de distúrbio vocal em cantores : uma revisão sistemática
Autor(es):	Ferreira, Franklin Júnior Dias
Orientador(es):	Ribeiro, Vanessa Veis
Assunto:	Cantores Distúrbios da voz Prevalência Revisão sistemática
Data de publicação:	23-Out-2025
Data de defesa:	21-Jul-2025
Referência:	FERREIRA, Franklin Júnior Dias. Prevalência de distúrbio vocal em cantores: uma revisão sistemática. 2025. 49 f. Dissertação (Mestrado em Ciências Médicas) — Universidade de Brasília, Brasília, 2025.
Abstract:	OBJECTIVE: To determine the prevalence of vocal disorders in adult singers aged 18 to 60. METHODS: This is a systematic review that sought to answer the question: "What is the prevalence of vocal disorders in adult singers worldwide?" Observational studies with adult singers were included, analyzing the prevalence of vocal disorders based on vocal complaints, auditory-perceptual judgment (APC), self-perception, acoustic analysis, and/or laryngeal examination. Studies involving non-singers, children, and the elderly, whether dysphonic or healthy, without prevalence or specific outcome data, and duplicates were excluded. The protocol was registered under doi:10.17605/OSF.IO/VYZ4R. The search was conducted on March 15, 2025, in the electronic databases Scopus, PubMed/MEDLINE, Embase, Web of Science, LILACS, and Cochrane, gray literature (Google Scholar, ProQuest, Medrxiv), expert consultation, and reference and citation mapping. Data on publications, sample sizes, and outcomes were extracted. Methodological quality was assessed using the Joanna Briggs Institute (JBI) checklist, and certainty of evidence was assessed using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) method. Data were analyzed descriptively and by random-effects prevalence meta-analysis and presented in graphs and tables. RESULTS: 1,805 studies were selected, and based on the adopted criteria, four studies published between 2020 and 2025 remained, most frequently conducted in the USA and published in The Laryngoscope. The total sample consisted of 394 singers, cisgender men and women, with a predominance of young adults. The methodological quality of the studies was adequate in 75% of the studies. There was a prevalence of 16% (95% CI: 1%–74%; I²=96%) for vocal complaints, 24% for laryngeal injury (95% CI: 16%–35%; I²=66.2%), and 21.9% for combined outcomes (95% CI: 7.9%–47.6%; I²=93.8%). Heterogeneity ranged from moderate to high. The strength of recommendation was considered very low for vocal complaints and combined outcomes, and low for laryngeal injury. It was not possible to perform a meta-analysis with JPA and self-perception, and no study measured acoustic analysis. CONCLUSION: The prevalence of voice disorders in singers was 16% to 24%, with a pooled estimate of 21.9%.
Unidade Acadêmica:	Faculdade de Medicina (FM)
Informações adicionais:	Dissertação (mestrado) — Universidade de Brasília, Faculdade de Medicina, Programa de Pós-Graduação em Ciências Médicas, 2025.
Programa de pós-graduação:	Programa de Pós-Graduação em Ciências Médicas
Licença:	A concessão da licença deste item refere-se ao termo de autorização impresso assinado pelo autor com as seguintes condições: Na qualidade de titular dos direitos de autor da publicação, autorizo a Universidade de Brasília e o IBICT a disponibilizar por meio dos sites www.unb.br, www.ibict.br, www.ndltd.org sem ressarcimento dos direitos autorais, de acordo com a Lei nº 9610/98, o texto integral da obra supracitada, conforme permissões assinaladas, para fins de leitura, impressão e/ou download, a título de divulgação da produção científica brasileira, a partir desta data.
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