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dc.creatorRistovska, Lidija
dc.creatorJachova, Zora
dc.creatorKovačević, Jasmina
dc.creatorRadovanović, Vesna
dc.date.accessioned2021-11-22T12:11:47Z
dc.date.available2021-11-22T12:11:47Z
dc.date.issued2021
dc.identifier.isbn978-86-6203-150-1
dc.identifier.urihttp://rfasper.fasper.bg.ac.rs/handle/123456789/3843
dc.description.abstractIntroduction: Otoacoustic emissions are sounds that result from energy generated in the cochlea. The otoacoustic emissions test helps to confirm outer hair cell function. Aim: The objective of the study was to evaluate the expression of distortion product otoacoustic emissions in children with suspected hearing loss. Method: This retrospective study included 115 children, 65 males (56.5%) and 50 females (43.5%), aged 0 to 14 years (mean age of 6.9±3.5 years), examined during the period from January 2017 to March 2021. The audiological assessment included Distortion product otoacoustic emissions test, tympanometry, and pure-tone audiometry in children older than 4 years. Distortion product otoacoustic emissions were recorded in the form of DP- gram elicited by two primary tone stimuli L1=65 dB SPL and L2=55 dB SPL. Levels of the 2f1-f2 distortion product otoacoustic emissions were registered at frequencies from 1000 Hz to 8000 Hz at four points per octave. For statistical data analysis we used Chi-square test with level of significance p<.05. Results: From the total of 81 children with tonal audiogram, 13 children (16%) had sensorineural hearing loss with mean distortion product otoacoustic emissions amplitude -7.4 dB SPL, and 68 children (84%) had normal hearing with mean DPOAE amplitude 9.9 dB SPL. In children without tonal audiogram, distortion product otoacoustic emissions were present in 23 children (67.6%) at control examination after absence during middle ear pathology and 9 children (26.5%) at first examination. Otoacoustic emissions were absent in 2 children (5.9%) without middle ear pathology. They were mostly absent at frequency of 4000 Hz (p=.036). Conclusion: The otoacoustic emissions test is good cross-check for pure- tone audiometry. In children with sensorineural hearing loss, the otoacoustic emissions are absent in the range of hearing loss. In young children not cooperative for pure-tone audiometry, expression of otoacoustic emissions after previous absence during middle ear pathology would indicate that there is no coexistent sensorineural hearing loss.sr
dc.language.isoensr
dc.publisherUniverzitet u Beogradu – Fakultet za specijalnu edukaciju i rehabilitaciju / University of Belgrade – Faculty of Special Education and Rehabilitation Publishing Center of the Facultysr
dc.rightsopenAccesssr
dc.rights.urihttps://creativecommons.org/licenses/by-sa/4.0/
dc.sourceZbornik Radova - 11. Međunarodni Naučni Skup „Specijalna Edukacija i Rehabilitacija Danas“, Beograd, Srbija, 29–30.10.2021sr
dc.subjectotoacoustic emissionssr
dc.subjectchildrensr
dc.subjecthearing losssr
dc.titleThe role of otoacoustic emissions in audiological assessment of children with suspected hearing losssr
dc.typeconferenceObjectsr
dc.rights.licenseBY-SAsr
dc.citation.spage475
dc.citation.spage481
dc.identifier.fulltexthttp://rfasper.fasper.bg.ac.rs/bitstream/id/4499/bitstream_4499.pdf
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_rfasper_3843
dc.type.versionpublishedVersionsr


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