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Steady-state auditory evoked responses in audiological diagnosis in children: a comparison with brainstem evoked
Gabriela Ribeiro Ivo Rodrigues1, Doris Ruth Lewis, Silvia Nápole Fichino
1Centro de Referência em Saúde Auditiva, CeAC, DERDICCeAC, PUCSP, Brazil.
Insights
Auditory Steady-State Responses (ASSR) show good agreement with click-ABR for assessing hearing in children. ASSR provides additional valuable data for severe and profound hearing loss cases, enhancing audiological diagnosis.
Area of Science:
- Audiology
- Pediatric Hearing Assessment
- Neuroscience
Background:
- Auditory Steady-State Responses (ASSR) are emerging as a key technique for evaluating hearing in pediatric populations.
- Sensorineural hearing loss in children requires accurate and reliable diagnostic methods.
Purpose of the Study:
- To assess the agreement between Auditory Steady-State Responses (ASSR) and click-Auditory Brainstem Response (ABR) in children with sensorineural hearing loss.
- To determine the clinical applicability of ASSR for evaluating hearing status in young children.
Main Methods:
- A prospective, cross-sectional cohort study involving 15 children aged 2-36 months with diagnosed sensorineural hearing loss.
- Intraclass correlation coefficient and McNemar test were used to evaluate the correlation and probability of responses between ASSR and click-ABR.
Main Results:
- Good correlation coefficients were observed for ASSR and click-ABR across evaluated frequencies (0.49-0.70).
- The McNemar test (p=0.000) indicated a higher probability of obtaining responses with ASSR compared to click-ABR.
- ASSR provided supplementary information in cases of severe and profound hearing loss.
Conclusions:
- ASSR and click-ABR demonstrate good agreement, suggesting they can be complementary diagnostic tools.
- ASSR offers enhanced diagnostic accuracy, particularly for severe to profound hearing loss in children.
- The findings support the clinical utility of ASSR in pediatric audiology.
Unlabelled:
Auditory Steady-State Responses (ASSR) are being recognized as a promising technique in the assessment of hearing in children.
Aim:
To investigate the agreement level between results obtained from ASSR and click-ABR in a group of children with sensorineural hearing loss, in order to study the clinical applicability of this technique to evaluate the hearing status in young children.
Study Design:
clinical prospective with a cross-sectional cohort.
Materials And Methods:
15 children aged between two and 36 months and with diagnosis of sensorineural hearing loss. The correlation between the responses of the two tests was evaluated by intraclass correlation coefficient and McNemar test comparing the probability of responses in both tests.
Results:
The correlation coefficients were: 0.70; 0.64; 0.49; 0.69; 0.63 and 0.68 respectively for frequencies of 1, 2, 4, 1-2, 2-4 and 1-2-4kHz. In McNemar test p = 0.000, indicating that the probability of obtaining responses in both tests was not equal, but greater for the ASSR.
Conclusion:
we found good agreement between the techniques among the four frequencies evaluated, suggesting that both tests may be complementary. However, the ASSR was able to obtain additional information in cases of severe and profound hearing losses, adding important data to the management of these children, providing greater accuracy to the audiological diagnosis.
