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Auditory evoked potentials in bacterial meningitis
Archives of Neurology
|November 1, 1981
Abstract:
Auditory evoked potentials obtained on infants and children recovering from bacterial meningitis are effective in early and reliable detection of sensorineural deafness, particularly in those who demonstrate absence of wave I.
Insights
Auditory evoked potentials (AEPs) effectively detect sensorineural deafness in children after bacterial meningitis. This method is reliable for early diagnosis, especially when wave I is absent.
Area of Science:
- Neuroscience
- Audiology
- Pediatrics
Background:
- Bacterial meningitis poses a significant risk of hearing loss in infants and children.
- Sensorineural deafness can have profound impacts on development and requires early detection.
Purpose of the Study:
- To evaluate the efficacy of auditory evoked potentials (AEPs) for detecting sensorineural deafness in children recovering from bacterial meningitis.
- To assess the reliability of AEPs in identifying hearing deficits, particularly in cases with specific waveform anomalies.
Main Methods:
- Auditory evoked potentials (AEPs) were administered to a cohort of infants and children post-bacterial meningitis recovery.
- Analysis focused on the presence and characteristics of AEP waveforms, with specific attention to wave I.
Main Results:
- AEPs demonstrated effectiveness in the early detection of sensorineural deafness.
- The absence of wave I in AEPs was a notable indicator for identifying hearing impairments.
Conclusions:
- Auditory evoked potentials are a valuable tool for the early and reliable diagnosis of sensorineural deafness in pediatric patients following bacterial meningitis.
- The absence of wave I is a critical finding suggesting sensorineural hearing loss.