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      Triagem auditiva: concordância entre os métodos comportamental e objetivo Translated title: Hearing screening: agreement among behavioral and objective methods

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          Abstract

          OBJETIVO: verificar a concordância entre os resultados da triagem auditiva por meio de observação de respostas comportamentais e de emissões otoacústicas evocadas transientes. MÉTODO: foi realizado estudo clínico duplo-cego com 139 crianças de um a 180 dias de vida, atendidas no serviço de Triagem Auditiva Neonatal do Hospital Universitário de Santa Maria. Diferentes examinadores verificaram a presença do reflexo cócleo-palpebral e de emissões otoacústicas evocadas transientes. RESULTADOS: das 139 crianças avaliadas, 123 apresentaram reflexo cócleo-palpebral e emissões otoacústicas; 10 apresentaram somente reflexo cócleo-palpebral; três apresentaram somente emissões otoacústicas; três não apresentaram respostas em ambos os testes. Dezesseis crianças deveriam ser retestadas. Nove não compareceram. Das sete crianças retestadas, duas passaram em ambos os testes e cinco mantiveram falha e foram encaminhadas para avaliação de Potencial Evocado Auditivo de Tronco Encefálico. Uma delas não compareceu. Duas crianças tiveram emissões otoacústicas presentes e reflexo cócleo-palpebral ausente. Na avaliação de Potencial Evocado Auditivo de Tronco Encefálico uma delas manifestou audição normal e outra perda auditiva profunda. Uma criança que não evidenciou emissões otoacústicas, mas manifestou reflexo cócleo-palpebral, teve Potencial Evocado Auditivo de Tronco Encefálico compatível com perda auditiva moderada bilateral. A criança que falhou em ambos os testes apresentou perda auditiva severa bilateral na avaliação de Potencial Evocado Auditivo de Tronco Encefálico. CONCLUSÃO: a presença de emissões otoacústicas concomitante com ausência de reflexo cócleo-palpebral pode ser sinal de neuropatia auditiva. A análise de emissões otoacústicas e a avaliação do reflexo cócleo-palpebral são procedimentos complementares. A aparente discordância entre alguns resultados pode apontar diferentes tipos de comprometimento auditivo.

          Translated abstract

          PURPOSE: to check the agreement among the obtained results in hearing screening through the observation of behavioral responses and the transient evoked otoacoustic emissions. METHOD: a double-blind study was carried out with 139 infants attended in Neonatal Hearing Screening service of Santa Maria University Hospital. Different examiners evaluated the presence of eye blink reflex and transient evoked otoacoustic emissions. RESULTS: among the 139 evaluated infants, 123 showed eye blink reflex and otoacoustic emissions; 10 showed only otoacoustic emissions; and 3 failed in both tests. Sixteen infants should be re-evaluated. Nine did not come back to repeat the tests. Seven children were re-evaluated, two passed in both tests; five maintained the failed status and they were referred to evaluation on Auditory Response Audiometry. Two children showed otoacoustic emissions, but did not have eye blink reflex. In the evaluation of Auditory Response Audiometry, one manifested normal hearing and the other showed acute hearing loss. One child who did not evidence otoacoustic emissions, but manifested eye blink reflex, had compatible Auditory Response Audiometry with moderate hearing loss in both ears. The infant who failed in both test showed severe bilateral hearing loss in the evaluation of Auditory Response Audiometry. CONCLUSION: even though the otoacoustic emissions are present, the absence of eye blink reflex should be considered a reason to evaluate the Auditory Response Audiometry, and this can be sign of auditory neuropathy. Considering that the analysis of otoacoustic emissions and the evaluation of eye blink reflex are complement procedures. The apparent disagreement among some results can show different types of hearing disorder.

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          Most cited references20

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          Handbook of Otoacoustic Emissions

          &NA; (2000)
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              Audiometric classification of hearing impairment: recommendation 02/1

              (1997)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rcefac
                Revista CEFAC
                Rev. CEFAC
                CEFAC Saúde e Educação (São Paulo )
                1982-0216
                February 2012
                : 14
                : 1
                : 84-89
                Article
                S1516-18462012000100010
                10.1590/s1516-18462011005000051
                73a565ad-9a6a-471f-9d4c-549ca239eaaf

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1516-1846&lng=en
                Categories
                REHABILITATION

                Physiotherapy
                Hearing,Neonatal Screening,Early Diagnosis,Child,Audição,Triagem Neonatal,Diagnóstico Precoce,Criança

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