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Updated: Jul 24, 2025
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Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process
Published on: June 21, 2024
832
Early fitting in cochlear implant surgery: preliminary results.
Arianna Soncini1, Sebastiano Franzini2, Francesca Di Marco3
1Department of Medicine and Surgery, University of Parma, via Gramsci 14, 43121, Parma, Italy. arianna.soncini@unipr.it.
Summary
Early cochlear implant fitting within 24 hours is safe and effective. This approach allows for quicker rehabilitation and potentially improves sound stimulation and dynamic range for patients receiving cochlear implants.
Area of Science:
- Audiology
- Neurosurgery
- Medical Devices
Background:
- Cochlear implants typically have a 3-5 week activation period post-surgery.
- No standardized protocol exists for cochlear implant switch-on and fitting.
- Early activation may offer benefits but requires safety and efficacy assessment.
Purpose of the Study:
- To evaluate the safety and functional outcomes of cochlear implant activation and fitting within 24 hours of surgery.
- To compare early fitting with traditional later fitting protocols.
Main Methods:
- Retrospective case-control study of 15 adult patients (20 procedures).
- Assessed clinical safety, feasibility, electrode impedance, and most comfortable loudness (MCL).
- Analyzed free-field pure tone average (PTA) up to 12 months post-activation.
Main Results:
- No major or minor complications reported with early fitting.
- Early fitting showed statistically significant lower mean MCL values compared to late fitting.
- Electrode impedance and PTA differences between early and late fitting were not statistically significant.
Conclusions:
- Cochlear implant fitting within 24 hours is a safe procedure.
- Early fitting facilitates prompt patient rehabilitation.
- Potential benefits include improved stimulation levels and dynamic range for cochlear implant users.
