Electrophysiological effects of slim straight intracochlear electrode position

Ordonez F, Sudhoff H, Todt I (2020)
The Journal of Laryngology & Otology 134(12): 1077-1080.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Ordonez, F; Sudhoff, HolgerUniBi ; Todt, Ingo
Abstract / Bemerkung
#### Objective The electrical current distribution of a cochlear implant electrode within the cochlea is essential for post-operative hearing performance. The slim straight electrode is designed to enable the placement of contacts in a lateral or medial direction to the modiolus. The electrophysiological effect of this different contact direction is so far unknown. The aim of this study was to determine the influence of intracochlear laterally or medially directed electrode contacts on electrophysiological behaviour. #### Method A slim straight electrode was inserted into the cochleae of five patients, and the neural response threshold was measured in a laterally and medially directed contact position. The cochleae in five temporal bone specimens were de-capped allowing an insertional observation of the contact position (lateral versus medial) of the electrode. #### Results There was no difference in neural response threshold between a lateral and a medial position of the contacts. Temporal bone study indicated no intracochlear torsion of the electrode. #### Conclusion Our study provides evidence that the intracochlear position of slim straight electrode contacts does not affect the neural response threshold.
Erscheinungsjahr
2020
Zeitschriftentitel
The Journal of Laryngology & Otology
Band
134
Ausgabe
12
Seite(n)
1077-1080
ISSN
0022-2151
eISSN
1748-5460
Page URI
https://pub.uni-bielefeld.de/record/2951599

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Ordonez F, Sudhoff H, Todt I. Electrophysiological effects of slim straight intracochlear electrode position. The Journal of Laryngology & Otology. 2020;134(12):1077-1080.
Ordonez, F., Sudhoff, H., & Todt, I. (2020). Electrophysiological effects of slim straight intracochlear electrode position. The Journal of Laryngology & Otology, 134(12), 1077-1080. https://doi.org/10.1017/S0022215120002534
Ordonez, F., Sudhoff, H., and Todt, I. (2020). Electrophysiological effects of slim straight intracochlear electrode position. The Journal of Laryngology & Otology 134, 1077-1080.
Ordonez, F., Sudhoff, H., & Todt, I., 2020. Electrophysiological effects of slim straight intracochlear electrode position. The Journal of Laryngology & Otology, 134(12), p 1077-1080.
F. Ordonez, H. Sudhoff, and I. Todt, “Electrophysiological effects of slim straight intracochlear electrode position”, The Journal of Laryngology & Otology, vol. 134, 2020, pp. 1077-1080.
Ordonez, F., Sudhoff, H., Todt, I.: Electrophysiological effects of slim straight intracochlear electrode position. The Journal of Laryngology & Otology. 134, 1077-1080 (2020).
Ordonez, F, Sudhoff, Holger, and Todt, Ingo. “Electrophysiological effects of slim straight intracochlear electrode position”. The Journal of Laryngology & Otology 134.12 (2020): 1077-1080.

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