Related Experiment Video
Updated: May 18, 2026
06:54
Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation
Published on: August 4, 2023
The effects of insertion speed on inner ear function during cochlear implantation: a comparison study.
Gunesh P Rajan1, Georgios Kontorinis, Jafri Kuthubutheen
1Otolaryngology, Head and Neck Surgery, School of Surgery, University of Western Australia, Perth, W.A., Australia. Gunesh.Rajan@health.wa.gov.au
Audiology & Neuro-Otology
|September 26, 2012
Summary
Slow electrode insertion during cochlear implantation surgery significantly improves hearing preservation and vestibular function. This technique facilitates full electrode insertion and reduces insertion resistance, enhancing patient outcomes.
Area of Science:
- Otolaryngology
- Neurosurgery
- Biomedical Engineering
Background:
- Cochlear implantation is a complex procedure.
- Electrode insertion characteristics can influence surgical outcomes.
- Preservation of hearing and vestibular function is crucial.
Purpose of the Study:
- To investigate the impact of electrode insertion speed on cochlear implantation outcomes.
- To evaluate the effect of insertion speed on electrode insertion characteristics, hearing preservation, and vestibular function.
Main Methods:
- A prospective cohort study with a retrospective control group.
- Comparison of two electrode insertion speeds: 60 mm/min (n=18) vs. 15 mm/min (n=22).
- Utilized systemic and topical steroids, round-window approach, and complete cochlear coverage electrodes.
Main Results:
- Insertion speed significantly impacted insertion characteristics.
- Slower insertion speeds (15 mm/min) were associated with better hearing preservation.
- Slow insertion promoted better vestibular function preservation and reduced insertion resistance.
Conclusions:
- A slow electrode insertion speed is beneficial for cochlear implantation.
- This technique facilitates complete electrode insertion and minimizes intraoperative resistance.
- Slow insertion enhances the preservation of residual hearing and vestibular function post-implantation.
