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Related Experiment Videos

Systematic approach to electrode insertion in the ossified cochlea

T Balkany1, B J Gantz, R L Steenerson

  • 1Department of Otolaryngology, University of Miami, FL, USA.

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|January 1, 1996
PubMed
Summary

Cochlear ossification, often seen in children, previously hindered cochlear implantation. New surgical techniques now allow successful implantation even in ossified cochleas, achieving good results.

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Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Medical Imaging

Background:

  • Ossification of cochlear fluid spaces is common in cochlear implant candidates, particularly children.
  • Preoperative CT scans identifying ossification were previously considered a contraindication for cochlear implantation.
  • Concerns included mechanical obstruction and unpredictable functional outcomes in ossified cochleas.

Observation:

  • The study addresses three main categories of cochlear ossification: round window niche obliteration, inferior segment obstruction, and upper segment obstruction.
  • Surgical techniques have advanced over the past six years, enabling cochlear implantation in ossified cochleas.
  • Case reports illustrate the application of specific drill-out procedures for each ossification type.

Findings:

Related Experiment Videos

  • Developed techniques permit cochlear implantation in previously ossified cochleas.
  • A systematic approach effectively manages the three clinically significant categories of cochlear ossification.
  • Surgical outcomes in ossified cochleas are often comparable to those in non-ossified cochleas.

    • Implications:

    • Cochlear implantation is now feasible for patients with cochlear ossification.
    • Advanced surgical techniques improve hearing outcomes for a wider range of cochlear implant candidates.
    • This approach expands the eligibility for cochlear implantation, offering better hearing restoration possibilities.