Reliability of contralateral suppression in evoked distortion product otoacoustic emissions

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dc.creatorAna Carolina Santos
dc.creatorLudimila Labanca
dc.creatorLarissa r Assumpção
dc.creatorPatrícia Cotta Mancini
dc.creatorSirley Alves da Silva Carvalho
dc.creatorLuciana Macedo Resende
dc.date.accessioned2023-07-18T20:26:06Z
dc.date.accessioned2025-09-09T00:24:04Z
dc.date.available2023-07-18T20:26:06Z
dc.date.issued2021
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1055/s-0041-1733928
dc.identifier.issn1809-9777
dc.identifier.urihttps://hdl.handle.net/1843/56639
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofInternational Archives of Otorhinolaryngology
dc.rightsAcesso Aberto
dc.subjectAdulto Jovem
dc.subjectEfeitos do Ruído
dc.subjectPerda Auditiva
dc.subjectReprodutibilidade dos Testes
dc.subjectCélulas Ciliadas Auditivas
dc.subject.otherCochlear hair cells
dc.subject.otherAuditory efferent pathway
dc.subject.otherReproducibility of results
dc.subject.otherHearing loss
dc.subject.otherYoung adult
dc.subject.otherNoise effects
dc.titleReliability of contralateral suppression in evoked distortion product otoacoustic emissions
dc.typeArtigo de periódico
local.citation.epagee259
local.citation.issue2
local.citation.spagee250
local.citation.volume26
local.description.resumoIntroduction Distortion product otoacoustic emissions (DPOAE) and their suppression may be considered useful in monitoring cochlear function and the efferent auditory pathway inhibitory effect. Nonetheless, the establishment of reliable parameters of response variations is of great importance. Objectives To verify the replicability of test and retest in the research of the inhibitory effect of the efferent pathway using contralateral suppressing stimulus during DPOAE recording for clinical applicability. Methods Cross-sectional study with 48 volunteers, aged 18 to 30 years, with normal audiometric thresholds. The procedures included were audiometric and immittance measures to overrule any conductive or sensorineural conditions and DPOAE recordings without and with contralateral suppression with a 60 dBHL white noise. Distortion product otoacoustic emissions amplitudes were analyzed and compared in both conditions with Wilcoxon test, and the Spearman correlation test was used to assess test-retest reliability. Results The comparative analysis showed differences between amplitudes in test and retest conditions only in 1,500 Hz for DPOAE measures with all other tested frequencies showing no differences ,and no difference was observed in all recorded frequencies in the test and retest comparison for DPOAE suppression. The degree of correlation between test and retest of DPOAE amplitude was good at 6,000 Hz and strong (r > 0.880) at the other frequencies. For DPOAE with suppression, all frequencies presented strong correlation between test and retest: 1,500 Hz (r ¼ 0.880), 2,000 Hz (r ¼ 0.882), 3,000 Hz (r ¼ 0.940), and 6,000 Hz (r ¼ 0.957). Conclusions The study found good replicability in contralateral suppression of DPOAE with potential clinical applicability, and we recommend conducting the test from 2000Hz to higher frequencies for more reliable results.
local.identifier.orcidhttps://orcid.org/0000-0002-2142-0827
local.identifier.orcidhttps://orcid.org/0000-0003-3296-4800
local.identifier.orcidhttps://orcid.org/0000-0002-0701-3897
local.identifier.orcidhttps://orcid.org/0000-0002-6535-1413
local.identifier.orcidhttps://orcid.org/0000-0003-3705-9471
local.identifier.orcidhttps://orcid.org/0000-0002-2004-2692
local.publisher.countryBrasil
local.publisher.departmentMED - DEPARTAMENTO DE FONOAUDIOLOGIA
local.publisher.departmentMED - DEPARTAMENTO DE OFTALMOLOGIA E OTORRINOLARINGOLOGIA
local.publisher.initialsUFMG
local.url.externahttps://www.thieme-connect.de/products/ejournals/abstract/10.1055/s-0041-1733928

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