Correlation between DPOAE I/O functions and pure-tone thresholds

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dc.contributor Sistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP CAMPOS, Ualace de Paula FMUSP-HC
CARVALLO, Renata Mota Mamede FMUSP-HC 2011
dc.identifier.citation BRAZILIAN JOURNAL OF OTORHINOLARYNGOLOGY, v.77, n.6, p.754-760, 2011
dc.identifier.issn 1808-8694
dc.description.abstract Different studies have been carried out in order to correlate audiometric thresholds and distortion product otoacoustic emissions measurements (DPOAE). However, high variability and external interferences make hearing thresholds estimates by means of the DPOAE very little sensitive. The aim of this study was to check the correspondence between the pure tone thresholds and the cochlear response thresholds by DPOAE Input/output functions, considering the influence of the following variables: gender, past of acute otitis media, and ear side. Method: Prospective study comprehending 69 normal hearing individuals. Multiple mix regression models were applied to evaluate the correspondence between the two measurements studied. Results: Statistically significant positive correlation was observed among all the frequencies compared (2000, 3000, 4000 e 6000 Hz). Conclusions: The 1dB HL resolution pure tone thresholds and the above-mentioned variables had a direct impact on the high correlation between the measures studied, and it also reduced response variability. Nevertheless, response variability was still high, limiting the use of DPOAE I/O functions for hearing threshold estimates. We suggest that these variables should be considered for future studies with pure tone thresholds estimations by DPOAE I/O functions.
dc.description.sponsorship · FAPESP - Fundacao de Amparo a Pesquisa do Estado de Sao Paulo
dc.language.iso eng
dc.relation.ispartof Brazilian Journal of Otorhinolaryngology
dc.rights openAccess
dc.subject audiometry; hearing; otoacoustic emissions; spontaneous; hearing tests
dc.subject.other product-otoacoustic-emission; normal-hearing; input/output-functions; otitis-media; cochlea; adults
dc.title Correlation between DPOAE I/O functions and pure-tone thresholds
dc.type article
dc.identifier.pmid 22183282
dc.type.category original article
dc.type.version publishedVersion CAMPOS, Ualace de Paula:FM: CARVALLO, Renata Mota Mamede:FM:MFT 2-s2.0-83755173590 WOS:000298280300012 SAO PAULO BRAZIL
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dc.description.index MEDLINE
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