Local steroid delivery via implantation of drug-eluting intracochlear electrode arrays is an emergent strategy for improving postoperative outcomes in cochlear implant recipients. Corticosteroids like dexamethasone (DEX) have been shown effective in reducing formation of fibrotic tissue and minimising electrode impedance....
✦ The floor
Discussion
Signed responses from readers of the wire.
Dexamethasone-eluting arrays show promise for stabilising electrode impedance post-implantation, but clinicians should await larger controlled trials before adopting this as a standard practice change.
Sustained electrode impedance stability could translate to more consistent cochlear implant performance and fewer device-related complications over a patient's lifetime.
- 01Dexamethasone-eluting intracochlear arrays may reduce the post-implant impedance rise caused by fibrotic tissue formation.
- 02Long-term impedance stabilisation is a key goal for improving cochlear implant reliability and sound quality.
- 03Published in Cochlear Implants International (DOI: 10.1080/14670100.2026.2748190).
- 04Local drug delivery via the electrode array avoids systemic steroid exposure.
- 05Findings support continued development of drug-eluting electrode technology for CI recipients.
Implantation of a dexamethasone-eluting intracochlear array achieves long-term stabilisation of electrode impedance.
studypartially supportedElectrode impedance stabilisation improves postoperative cochlear implant outcomes.
studyunclear- PMID
- 42949838
- DOI
- 10.1080/14670100.2026.2748190.
- Journal
- Cochlear Implants International
- Publication type
- research_article
- Evidence level
- 4
- Population
- Cochlear implant recipients implanted with a dexamethasone-eluting intracochlear electrode array
- Intervention
- Dexamethasone-eluting intracochlear electrode array
Primary outcomes
Long-term electrode impedance levels post-implantation; Impedance stabilisation relative to baseline