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Neurophysiologic intraoperative monitoring: I. Auditory function
P R Kileny1, J K Niparko, N T Shepard
1Department of Otolaryngology, University of Michigan Medical Center, Ann Arbor 48109-0312.
The American Journal of Otology
|December 1, 1988
Summary
Neurophysiologic monitoring helps preserve auditory function during neurosurgery. Intraoperative monitoring techniques are crucial for safeguarding hearing during procedures like tumor resection and cochlear implant surgery.
Area of Science:
- Neurosurgery
- Neuro-otology
- Neurophysiology
Background:
- Advances in neurosurgery necessitate monitoring neural structures.
- Preservation of neural function is a key concern in neuro-otologic surgery.
- Auditory and facial nerves are most at risk during these procedures.
Purpose of the Study:
- To discuss principles and practices of intraoperative auditory function monitoring.
- To illustrate applications of auditory monitoring in various neurosurgical procedures.
Main Methods:
- Intraoperative monitoring of auditory function.
- Auditory brain stem response monitoring.
- VIIIth nerve monitoring.
Main Results:
- Monitoring is applied during posterior fossa tumor resection.
- Auditory function is monitored during vestibular nerve section.
- Auditory monitoring is used in microvascular decompression and cochlear implant surgery.
Conclusions:
- Intraoperative neurophysiologic monitoring is vital for auditory function preservation.
- Various neurosurgical applications demonstrate the utility of auditory monitoring.