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Inconsistencies in the correlation between loss of brain stem auditory evoked response waves and postoperative deafness |
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| Authors: | Dr William D. Mustain PhD Ossama Al-Mefty MD Vinod K. Anand MD |
| Affiliation: | 1. From the Department of Surgery (Division of Otolaryngology), University of Mississippi School of Medicine, Jackson, MS 2. the Department of Anesthesiology, University of Mississippi School of Medicine, Jackson, MS 4. the Department of Neurosurgery, University of Mississippi School of Medicine, Jackson, MS |
| Abstract: | This case underscores the difficulty of predicting postoperative hearing status from brain stem auditory evoked response (BAER) monitoring when wave I is preserved and all later waves are lost. During an operation involving the base of the skull, sudden and irreversible loss of all BAER waves beyond wave I occurred unilaterally. Wave I was preserved, with reduced amplitude and minimal latency shift. There was no permanent postoperative hearing sensitivity loss or speech discrimination loss. |
| Keywords: | Monitoring: Brain stem auditory evoked response intraoperative Surgery: skull base |
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