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[Cochlear implants and total cochlear obstruction]

C H Chouard1, B Meyer, C Fugain

  • 1Service ORL, Hôpital Saint-Antoine, Paris.

Annales D'Oto-Laryngologie Et De Chirurgie Cervico Faciale : Bulletin De La Societe D'Oto-Laryngologie Des Hopitaux De Paris
|January 1, 1995
PubMed
Summary
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Total cochlea obstruction does not prevent cochlear implant surgery. Newer electrode designs show promise, with some patients achieving telephone use after implantation for complete cochlear obstruction.

Area of Science:

  • Otolaryngology
  • Biomedical Engineering
  • Neuroscience

Context:

  • Cochlear implants are used to treat severe to profound hearing loss.
  • Complete cochlear obstruction presents a surgical challenge for cochlear implantation.
  • Previous assumptions suggested complete obstruction as a contraindication.

Purpose:

  • To evaluate the feasibility and outcomes of cochlear implantation in cases of total cochlea obstruction.
  • To assess the efficacy of different cochlear implant electrode designs in obstructed cochleae.

Summary:

  • This study reports on 15 patients with total cochlea obstruction who underwent cochlear implantation.
  • Experience includes single-channel Monosonic (9 cases), partial electrode insertion (3 cases), and separate electrodes Digisonic (6 cases).

Related Experiment Videos

  • The separate electrodes Digisonic device demonstrated encouraging results, enabling telephone use in 2 out of 5 patients.

    • Impact:

    • Demonstrates that total cochlea obstruction is not an absolute contraindication for cochlear implantation.
    • Highlights the potential of advanced electrode designs, like the separate electrodes Digisonic, for improved outcomes in challenging cases.
    • Suggests that cochlear implantation can restore functional hearing, including telephone use, even with complete cochlear obstruction.