The Role of Peroperative Monitoringof Electrically Evoked Auditory Responses of the Brain Stem during Selection of the OptimalPosition of Auditory Neuroprosthesis

Czech version

Authors: J. Kluh; J. Skřivan; T. Šmilauer; M. Světlík; T. Tichý ^*; S. Sedlák ^*
Authors‘ workplace: Klinika otorinolaryngologie a chirurgie hlavy a krku 1. LF UK a FN Motol, Praha, katedra otorinolaryngologie IPVZ, Praha, přednosta a vedoucí katedry prof. MUDr. J. Betka, DrSc. Laboratoř elektronických smyslových náhrad, Fakulta elektrotechnická, katedra ^*
Published in: Otorinolaryngol Foniatr, , 2002, No. 3, pp. 153-156.
Category:

Overview

Loss of the electrophysiological function of auditory nerves, most frequentlyassociated with surgical removal of bilateral tumours of the vestibulocochlear nerve leads tocomplete loss of auditory perception. A new possibility how to restore at least partly auditoryperceptions in thus affected subjects is an auditory implant which stimulates electrically theauditory pathway at the level of the auditory nuclei and thus bypasses the conduction block betweenthe cochlea and auditory nuclei. The optimal place for the stimulating electrodes into the area ofthe lateral recess is facilitated by monitoring of electrically evoked auditory stem responses.The authors summarize the basic principles of the method and present results of their ownintraoperative monitoring.

Key words:
evoked auditory stempotentials (ABR), electrically evoked auditory stemresponses(EABR), auditory stem implant (ABI).

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