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Journal of Human Growth and Development

Print version ISSN 0104-1282On-line version ISSN 2175-3598


LOPES, Bruna Mauer; BUENO, Claudine Devicari; DIDONE, Dayane Domeneghini  and  SLEIFER, Pricila. Comparison between click and ce-chirp® stimuli in neonatal hearing screening. J. Hum. Growth Dev. [online]. 2020, vol.30, n.2, pp. 260-265. ISSN 0104-1282.

BACKGROUNG:OBJECTIVE: To compare the application time of the Automated Auditory Brainstem Response (A-ABR) between the click and CE-Chirp® stimuliMETHODS: Forty-six newborns were evaluated without risk indicators for hearing loss and presenting transient evoked otoacoustic emissions (TEOAE). The A-ABR was performed with Interacoustics® Titan equipment in a hospital, with the click and CE-Chirp® stimuli at the same time. Descriptive statistical analyses and inferential statistics analyses (Student's t-test calculation for mean comparisons among independent samples) were used for the variables age, gender, examination time, laterality and test stimulus usedRESULTS: Of the 46 neonates in the sample, 23 were male and 23 female. The mean age of the sample was 23.1 days. The mean procedure time using the Click stimulus was 85.9 seconds for the right ear and 86.1 seconds for the left ear, whereas for the use of the CE-Chirp® stimulus the results obtained for the right and left ear were28.4 seconds and 27.9 seconds, respectively. There was a statistically significant difference between the mean times obtained through the CE-Chirp® and Click stimuli for both ears (p=0.000). There was no statistically significant difference in the comparison between the right and left ears or between females and malesCONCLUSION: It was found that the mean duration of the A-ABR procedure using the CE- Chirp® stimulus is three times lower than with the Click stimulus

Keywords : neonatal screening; hearing loss; auditory evoked potentials; electrophysiology.

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