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vol.20 número3Therapeutic approaches for deaf children at intervention centers in Chile’s metropolitan region: access to health and educationIdentificação de fatores de risco em bebês participantes de um programa de Follow-up índice de autoresíndice de assuntospesquisa de artigos
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Revista CEFAC

versão impressa ISSN 1516-1846versão On-line ISSN 1982-0216

Resumo

GARCIA, Michele Vargas et al. Visual Reinforcement Audiometry and Steady-State Auditory Evoked Potential in infants with and without conductive impairment. Rev. CEFAC [online]. 2018, vol.20, n.3, pp.324-332. ISSN 1516-1846.  http://dx.doi.org/10.1590/1982-0216201820312217.

Purpose:

to compare the findings of minimum levels of answers through air and bone conductions between the Visual Reinforcement Audiometry and the Steady-State Auditory Evoked Potential in infants from six to twelve months, with and without conductive disorder.

Methods:

sixty children aged six to twelve months were evaluated, 30 presenting conductive disorder, and 30 not presenting it. Children with malformation in the external auditory meatus with neurological alteration and / or genetic syndrome were excluded, as well as patients with sensorineural or mixed hearing loss. The infants were subjected to Visual Reinforcement Audiometry and Steady-State Auditory Evoked Potential evaluation through air and bone conduction on the same day. The results of both assessments were compared and correlated.

Results:

in the comparison through air conduction, for the group without conductive disorder of the medium ear, the minimum levels of response for 500 and 1000Hz were lower (better thresholds) for Steady-State Auditory Evoked Potential in both ears, and through bone conduction were very similar in all frequencies. Concerning the infants that present conductive disorder, the responses through air conduction were better in all frequencies evaluated when obtained via Steady-State Auditory Evoked Potential test. Through bone conduction, the results were very similar for both groups.

Conclusion:

it was possible to compare the findings to the minimum levels of response through air and bone conductions between the Visual Reinforcement Audiometry and the Steady-State Auditory Evoked Potential, being that the comparison for bone conduction in both groups presents an equivalence in the results, being very similar. In addition, for the air conduction, in the control group, there was proximity of responses of some frequencies, while the values for the Steady-State Auditory Evoked Potential test were better than the behavioral responses in the conductive disorder group.

Palavras-chave : Evoked Potentials, Auditory; Auditory Perception; Early Diagnosis; Middle Ear; Hearing.

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