Influence of cochlear covering on speech understanding with FLEX electrodes in patients with electrode migration

Introduction Cochlear implants are an established therapy for deaf patients or patients with a profound hearing loss for whom hearing aid is no longer adequate. The cochlear coverage seems to be a factor in the later understanding of speech with lateral-wall electrodes. Material and methods: We were able to identify 6 patients who had electrode migration. Most of the patients noticed a deterioration in speech understanding and a change in impedances. A DVT carried out subsequently confirmed the clinical suspicion. The cochlear coverage and other parameters of the patients were recorded initially, after migration and after the revision. In addition, the results of the language tests are available for the patients. Results and Conclusion: All patients showed a significant difference in the language results compared to the above Points in time. The patient's cochlear coverage decreased by about 20 percent on average. After the revision, the initial speech results could be achieved again.

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Conflict of interest

Der Erstautor gibt keinen Interessenskonflikt an.

Publication History

Article published online:
13 May 2021