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Robotic Cochlear Implantation for Direct Cochlear Access

Robotic Cochlear Implantation for Direct Cochlear Access

Published on: June 16, 2022

Endoscopic-Assisted Cochlear Implantation in Far Advanced Otosclerosis.

Mohammed Abdelbadie Salem¹, Mohamed Rashad Ghonim¹, Saad Elzayat²

¹Department of Otorhinolaryngology, Head and Neck Surgery, Mansoura University, Mansoura, Egypt.

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology

|May 10, 2024

Summary

Endoscopic-assisted cochlear implantation (CI) effectively restores hearing in advanced otosclerosis. Intraoperative otoendoscopy aids scala tympani access, avoiding extensive surgery.

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Area of Science:

Otolaryngology
Neurosurgery
Audiology

Background:

Otosclerosis, a progressive conductive hearing loss, can reach advanced stages.
Cochlear implantation (CI) is a treatment option for severe to profound hearing loss.
Surgical challenges exist in advanced otosclerosis, particularly accessing the round window and scala tympani.

Purpose of the Study:

To assess the efficacy of cochlear implantation (CI) in patients with far-advanced otosclerosis.
To determine the utility of intraoperative otoendoscopy in identifying the round window membrane and scala tympani.
To evaluate if otoendoscopy can avoid posterior canal wall removal or subtotal petrosectomy.

Main Methods:

Retrospective case-series study at a tertiary academic CI center.
Included 14 patients with far-advanced otosclerosis undergoing endoscopic-assisted CI (Jan 2010 - June 2020).
Minimum 2-year follow-up; analysis of surgical approach and hearing outcomes.

Main Results:

Successful electrode insertion into the scala tympani in all 14 patients.
Statistically significant improvements in pure-tone average and speech discrimination (p < 0.0001).
No significant difference in outcomes based on cochlear ossification or prior stapedotomy (p > 0.05).

Conclusions:

Endoscopic-assisted CI is effective for hearing restoration in far-advanced otosclerosis.
Intraoperative otoendoscopy facilitates visualization and access to the scala tympani.
This technique avoids the need for posterior canal wall removal or subtotal petrosectomy.