Comparison between click and CE-CHIRP® stimuli in neonatal hearing screening

  • Bruna Mauer Lopes Universidade Federal do Rio Grande do Sul (UFRGS) – Porto Alegre (RS), Brasil
  • Claudine Devicari Bueno Universidade Federal do Rio Grande do Sul (UFRGS) – Porto Alegre (RS), Brasil
  • Dayane Domeneghini Didoné Universidade Federal do Rio Grande do Sul (UFRGS) – Porto Alegre (RS), Brasil
  • Pricila Sleifer Departamento de Saúde e Comunicação Humana, Universidade Federal do Rio Grande do Sul (UFRGS) – Porto Alegre (RS), Brasil
Keywords: Neonatal screening, Hearing loss, Auditory evoked potentials, Electrophysiology

Abstract

Objective: To compare the application time of the Automated Auditory Brainstem Response (A-ABR) between the click and CE-Chirp® stimuli.

Methods: 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 used.

Results: 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 males.

Conclusion: 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.

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Author Biographies

Bruna Mauer Lopes, Universidade Federal do Rio Grande do Sul (UFRGS) – Porto Alegre (RS), Brasil

Especialista em Audiologia

Claudine Devicari Bueno, Universidade Federal do Rio Grande do Sul (UFRGS) – Porto Alegre (RS), Brasil

Mestranda em Saúde da Criança e do Adolescente

Dayane Domeneghini Didoné, Universidade Federal do Rio Grande do Sul (UFRGS) – Porto Alegre (RS), Brasil

Doutoranda em Saúde da Criança e do Adolescente

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Published
2020-06-17
Section
ORIGINAL ARTICLES