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Revista da Sociedade Brasileira de Fonoaudiologia

versão On-line ISSN 1982-0232


SILVEIRA, Jordana Rodrigues da et al. Otoacoustic emissions in infants exposed to intrauterine infection. Rev. soc. bras. fonoaudiol. [online]. 2010, vol.15, n.2, pp.184-190. ISSN 1982-0232.

PURPOSE: To analyze otoacoustic emissions (OAE) in infants exposed to intrauterine infection. METHODS: Transient OAE (TEOAE) and distortion product OAE (DPOAE) were performed in 40 infants: 14 with and/or exposed to some type of congenital infection (Study Group) and 26 without exposition and with no risk factors for hearing loss (Control Group). Inclusion criteria were: Control Group: healthy full-term infants, with no risk factors for hearing loss; Study Group: full-term infants or preterms with corrected gestational age between 37 and 41 weeks at the date of assessment, exposed to some type of intrauterine infection or with congenital infection. The statistical analysis of the data set was performed using the non-parametric tests of Wilcoxon and Mann-Whitney, and the technique of confidence interval for the mean. RESULTS: Lower levels of response and signal/noise ratio in TEOAE and DPOAE were observed in the Study Group, when compared to the Control Group, with significant statistical values for DPOAE in 8 kHz, and for TEOAE in 1.5 kHz. CONCLUSION: The exposure to intrauterine infections might attenuate the response level in OAE during the neonatal period.

Palavras-chave : Otoacoustic emissions; spontaneous; Infant; Fetal diseases; Infection [congenital]; Risk factors.

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