ArticleLaryngoscope investigative otolaryngology2025
Cochlear Implantation: Electrode Impedance in Users With Triphasic Pulse Pattern.
Article in Laryngoscope investigative otolaryngology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Cochlear Implantation: Electrode Impedance in Users With Triphasic Pulse Pattern.Laryngoscope investigative otolaryngology · 2025Article
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Authors and funding
8 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Objectives: The triphasic pulse pattern (TPP) is one of the successful strategies for managing facial nerve stimulation (FNS) after cochlear implantation (CI). This study evaluates the electrode impedance (EI) changes for patients who were shifted from the biphasic pulse pattern (BPP) to TPP. Materials and Methods: This retrospective study was conducted on the patients who experienced FNS post-CI and were managed with a TPP strategy. The fitting parameters with TPP were compared to those with BPP, including electrode impedance, maximum comfortable levels (MCL), threshold levels (THR), and phase duration. . Results: This study included 25 implanted ears. The impedances of the electrode contacts significantly decreased when shifted to TPP at the first two apical contacts compared to the BPP (7.0 ± 2.7 vs. 7.8 ± 3.4 kΩ at the first contact and 6.5 ± 2.4 vs. 7.1 ± 2.9 kΩ at the second contact, respectively). The MCL showed a statistically significant increase with TPP compared to the BPP at the first 10 electrode contacts. Conclusion: The TPP of stimulation appears to be a successful strategy for managing FNS. Among the patients with FNS, there is a decrease in the most apical impedance values and an increase in MCL when using TPP. These findings suggest that TPP might be considered a routine and successful pattern for FNS patients. Future studies should investigate the impact of different stimulation patterns on CI outcomes. Level of Evidence: 3.
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