To assess intracochlear electrocochleography (ECochG) for estimating cochlear implant (CI) performance for lateral wall and perimodiolar electrode arrays.
Intracochlear ECochG tonotopic measurements show promise as a predictor of cochlear implant performance, but clinical adoption as a routine prognostic tool requires further validation in larger prospective cohorts before changing practice.
A reliable intraoperative or early postoperative biomarker for cochlear implant performance could help clinicians set patient expectations and personalise rehabilitation plans.
- 01Prospective study in Otolaryngol Head Neck Surg evaluated ECochG as a cochlear implant performance estimator.
- 02Tonotopic ECochG measurements were compared across lateral wall and perimodiolar electrode arrays.
- 03Differences in ECochG patterns between electrode types may reflect cochlear health at discrete frequency regions.
- 04ECochG could serve as an objective, non-behavioural prognostic tool for CI outcomes.
- 05Study was prospective, strengthening internal validity relative to retrospective designs.
Intracochlear ECochG tonotopic measurements can estimate cochlear implant performance.
studypartially supportedECochG measurement profiles differ between lateral wall and perimodiolar electrode arrays.
studypartially supported- PMID
- 42405869
- DOI
- 10.1002/ohn.70317.
- Journal
- Otolaryngology–Head and Neck Surgery
- Publication type
- research_article
- Evidence level
- 2b
- Population
- Cochlear implant recipients evaluated with intracochlear electrocochleography
- Intervention
- Tonotopic intracochlear electrocochleography (ECochG) measurements
- Comparator
- Lateral wall electrode arrays vs. perimodiolar electrode arrays
Primary outcomes
Cochlear implant performance estimates derived from ECochG; Comparison of ECochG profiles between electrode array types