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2009
DOI: 10.1590/s1516-80342009000400016
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Características das emissões otoacústicas em lactentes expostos à medicação ototóxica

Abstract: OBJETIVO: Analisar as emissões otoacústicas (EOA) em lactentes submetidos a tratamento por medicação ototóxica no período neonatal. MÉTODOS: Foi realizada a captação das EOA por transiente (EOAT) e das EOA produto de distorção (EOAPD) em 40 lactentes: 14 lactentes submetidos a drogas ototóxicas por, no mínimo, cinco dias (grupo estudo) e 26 lactentes sem risco auditivo e sem intercorrências (grupo controle). A análise estatística do conjunto de dados foi efetuada utilizando-se os testes não-paramétricos de Wil… Show more

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Cited by 5 publications
(6 citation statements)
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“…This occurs because, when the age increases, the auditory thresholds tend to increase due to aging of the auditory system and to its continuous exposure to risk factors for hearing loss, such as noise. The older age in TEOAE is justified, because this examination is considered altered in front of any hearing loss, even though mild, while DPEOAE are only absent from a moderate hearing loss [17, 18]. However, we did not find differences related to gender, which has already been described in another study [18].…”
Section: Discussionsupporting
confidence: 58%
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“…This occurs because, when the age increases, the auditory thresholds tend to increase due to aging of the auditory system and to its continuous exposure to risk factors for hearing loss, such as noise. The older age in TEOAE is justified, because this examination is considered altered in front of any hearing loss, even though mild, while DPEOAE are only absent from a moderate hearing loss [17, 18]. However, we did not find differences related to gender, which has already been described in another study [18].…”
Section: Discussionsupporting
confidence: 58%
“…While TEOAE evaluate the cochlea only up to 4 kHz and are more sensitive to mild hearing losses, DPEOAE are not so sensitive to mild losses but they evaluate high frequencies [18]. Thus, DPEOAE detect ototoxicity alterations earlier and more often than TEOAE, because they evaluate the highest frequencies, which first alter in ototoxicity and because they can be obtained in the presence of severe hearing losses, making more individuals eligible for auditory monitoring [11, 27].…”
Section: Discussionmentioning
confidence: 99%
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“…O neonato ou lactente prematuro e de baixo peso geralmente apresenta vários fatores que interferem na colocação da sonda e conseqüentemente, nos resultados do exame de EOAT [10][11][12][13] , tais como, tamanho do meato acústico externo, sua ressonância, presença de vérnix nas primeiras 48 horas e ruído no meato acústico externo [14][15][16][17][18] , aumentado a possibilidade de falso-positivos 19,20 e diminuindo sua especificidade.…”
Section: Discussionunclassified