Timpanometria de banda larga e emissões otoacústicas em escolares de 11 a 14 anos de idade com audição normal

• Autor(a) principal: Raignieri, Jéssica
• Data de Publicação: 2023
• Tipo de documento: Tese
• Idioma: por
• Título da fonte: Biblioteca Digital de Teses e Dissertações da PUC_SP
• Texto Completo: https://repositorio.pucsp.br/jspui/handle/handle/39482
• topic: CNPQ::CIENCIAS DA SAUDE::FONOAUDIOLOGIA; Timpanometria de banda larga; Emissões Otoacústicas Evocadas; Monitoramento audiológico; Orelha média; Testes auditivos; Wideband tympanometry; Evoked Otoacoustic Emissions; Audiological monitoring; Ear; Middle; Hearing tests

Introduction: There has been an increasing concern with schoolchildren’s auditory aspects, as the identification of their hearing changes are known to delay. The occurrence of otitis media, loud noise exposure, and progressive hearing loss creates the need to promote hearing health and identify students with hearing changes to provide them with adequate intervention. New technologies have been developed to meet this need – to which, however, normal values still need to be established. Objective: To establish reference (normal) wideband absorbance values and correlate OAE values with absorbance in schoolchildren with normal hearing. Methods: This prospective observational study had a sample of 93 students aged 11 to 14 years. The following procedures were applied: pure-tone threshold audiometry, wideband absorbance measured at 1000 to 8000 Hz, wideband tympanometry with wideband chirp stimuli. Results: Wideband absorbance analysis in percentages among adolescent students showed the following values per frequency: 1000 Hz (0.60 to 0.87), 2000 Hz (0.66 to 0.97), 3000 Hz (0.78 to 0.98), 4000 Hz (0.79 to 0.99), 6000 Hz (0.42 to 0.79) e 8000 Hz (0.32 to 0.79). The analysis of absorbance agreement in the two ears showed an index ranging from weak to moderate agreement between absorbance measures in both ears. Conclusion: The data analysis demonstrated that the absorbance values were not influenced by the normal or abnormal TEOAE or DPOAE results. Hence, they can help define normal values for this population