Multi-electrode sequential versus single electrode stimulation to elicit the stapedial reflex during cochlear implantation: Correlation with maximum comfort level

To assess whether electrical stimulation sequentially delivered through 4 electrodes located in different cochlear areas may elicit the stapedial reflex at lower levels compared to single electrode stimulation and to correlate the sequentially obtained values with the maximum comfort level (C-level)...

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Bibliographic Details
Published in:European annals of otorhinolaryngology, head and neck diseases head and neck diseases, 2019-06, Vol.136 (3), p.169-172
Main Authors: Guida, M., Falcioni, M., Di Lella, F., Negri, M., Fagnani, E., Vincenti, V.
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Auditory Threshold - physiology
Cochlear Implantation
Comfort level
Electric Stimulation - instrumentation
Electric Stimulation - methods
Electrophysiology
Female
Humans
Implantable Neurostimulators
Male
Middle Aged
Reflex, Acoustic - physiology
Retrospective Studies
Stapedius - physiology
Stapedius reflex
Young Adult
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Summary:To assess whether electrical stimulation sequentially delivered through 4 electrodes located in different cochlear areas may elicit the stapedial reflex at lower levels compared to single electrode stimulation and to correlate the sequentially obtained values with the maximum comfort level (C-level). A retrospective study was performed on 35 post-verbal adult patients (age 19–80 years) consecutively implanted in 2 cochlear implant centers, evaluating the level of stimulation (pulse width) necessary to electrically evoke the stapedial reflex with two different stimulation modalities: single electrode versus sequential 4 electrode stimulation. Threshold values were compared with C-level obtained at activation. The average differences of pulse width and C-level were significantly smaller (P
ISSN:1879-7296
1879-730X
DOI:10.1016/j.anorl.2018.01.012