Intraoperative monitoring of brainstem auditory evoked potentials following emergency evacuation of a cerebellar vascular malformation.

This case report highlights the use and value of monitoring the auditory brainstem response during emergency neurosurgery. The prompt on-line changes in the auditory brainstem response after evacuation of a cerebellar arteriovenous malformation provided objective evidence of improved brainstem function, which aided in the management of this patient's disorder.