Related Experiment Video
Updated: Oct 30, 2025
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Performing Intracochlear Electrocochleography During Cochlear Implantation
Published on: March 8, 2022
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Hearing Preservation After Cochlear Reimplantation Using Electrocochleography: A Case Report.
Amit Walia1, Matthew A Shew1, Amanda J Ortmann1
1Department of Otolaryngology-Head and Neck Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri, U.S.A.
The Laryngoscope
|July 3, 2021
Summary
Hearing preservation during cochlear reimplantation is possible, even after initial device failure. This case study highlights electrocochleography
Area of Science:
- Otolaryngology and Biomedical Engineering
- Focuses on audiology and neurotology advancements.
Background:
- Hearing preservation in cochlear reimplantation is challenging; outcomes are unpredictable.
- Previous studies indicate feasibility but lack predictive factors for residual hearing.
Observation:
- A patient with sensorineural hearing loss underwent cochlear implantation with a lateral wall array, preserving hearing.
- Postoperative facial nerve stimulation necessitated reimplantation.
- Electrocochleography was used to assess intracochlear trauma during reimplantation.
Findings:
- Reimplantation with a perimodiolar electrode successfully preserved hearing postoperatively.
- Electrocochleography provided intraoperative measurements of cochlear trauma during insertion.
Implications:
- This case suggests electrocochleography can guide hearing preservation strategies during cochlear reimplantation.
- Perimodiolar electrode insertion may offer advantages for hearing preservation in revision surgeries.
