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Cochlear Implant Surgery Through Round Window Approach Is Always Possible.

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The round window (RW) approach for cochlear implant (CI) surgery is a reliable and effective technique. This study details successful CI surgeries using the RW approach, including solutions for difficult access, demonstrating its broad applicability.

Keywords:
cochlear implantround window approachsurgical technique

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Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Biomedical Engineering

Background:

  • The round window (RW) approach offers precise electrode insertion for cochlear implant (CI) surgery without cochlear drilling.
  • Limitations of the standard RW approach necessitate alternative techniques for specific anatomical challenges.

Purpose of the Study:

  • To describe successful cochlear implant surgeries utilizing the RW approach.
  • To present surgical solutions for challenging RW access, excluding severe temporal bone anomalies.

Main Methods:

  • Retrospective analysis of 377 cochlear implant surgeries performed between 2010-2018 by a single surgeon.
  • Utilized standard RW techniques and alternative procedures like external auditory canal (EAC) wall mobilization and endomeatal approach for difficult cases.

Main Results:

  • Successful RW cochlear implantations were performed in cases with difficult access using alternative methods.
  • The majority of cases were treated with the standard RW surgical procedure.

Conclusions:

  • Cochlear implant surgery via the RW approach is reliable, safe, and effective.
  • The RW technique is reproducible across various surgical approaches, emphasizing the importance of RW membrane identification and exposure.