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Automated cortical auditory evoked potentials threshold estimation in neonates
Lilian Sanches Oliveira1, Dayane Domeneghini Didoné2, Alessandra Spada Durante1
1Faculdade de Ciências Médicas da Santa Casa de São Paulo, Escola de Fonoaudiologia e Audiologia, São Paulo, SP, Brazil.
Brazilian Journal of Otorhinolaryngology
|February 8, 2018
Summary
Automated detection of cortical auditory evoked potentials (CAEPs) reliably determined hearing thresholds in neonates. This method offers an effective approach for assessing hearing in infants, aiding early diagnosis.
Area of Science:
- Audiology
- Neuroscience
- Pediatrics
Background:
- Cortical auditory evoked potentials (CAEPs) are crucial for infant hearing assessment.
- Automated detection methods show promise for CAEPs, but their efficacy for threshold determination in neonates is less explored.
Purpose of the Study:
- To analyze latency, amplitude, and hearing thresholds of CAEPs.
- To evaluate an automatic response detection device for CAEPs in neonates.
Main Methods:
- A cross-sectional, observational study involving 39 neonates (up to 28 days old).
- CAEPs recorded using pure-tone stimuli (500-4000Hz) at varying intensities (0-80dB HL).
- Automated P1 detection via Hotelling's T² test; manual latency/amplitude analysis.
Main Results:
- CAEP responses were detected in all neonates at high intensities.
- Mean hearing thresholds: 24.8dB NA (500Hz), 25dB NA (1000Hz), 28dB NA (2000Hz), 29.4dB HL (4000Hz).
Conclusions:
- The automatic detection device provided reliable CAEP results in neonates.
- This technology is effective for assessing hearing thresholds in this population.
Keywords:
AudiologiaAudiologyAuditory evoked potentialsElectrophysiologyEletrofisiologiaInfant, newbornLactente, recém-nascidoPotenciais evocados auditivosMore Related Videos
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