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Related Experiment Video

Updated: May 16, 2026

Enhanced Cochlear Coverage and Hearing Preservation in High-Frequency Hearing Loss via Electric Acoustic Stimulation with Longer Electrode
03:49

Enhanced Cochlear Coverage and Hearing Preservation in High-Frequency Hearing Loss via Electric Acoustic Stimulation with Longer Electrode

Published on: October 11, 2024

Hearing preservation after cochlear reimplantation.

Silke Helbig1, Gunesh P Rajan, Timo Stöver

  • 1Department of Otorhinolaryngology, Goethe University, Frankfurt, Germany. silke.helbig@kgu.de

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|December 4, 2012
PubMed
Summary
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Revision surgery for cochlear implants can preserve hearing. Reimplantation in patients with electrical and acoustical hearing (EAS) showed comparable speech understanding and maintained residual hearing.

Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Biomedical Engineering

Background:

  • Electrical and acoustical hearing (EAS) aims for hearing preservation in cochlear implant patients with residual hearing.
  • Device failures necessitate revision surgery, raising concerns about preserving hearing during reimplantation.

Purpose of the Study:

  • To investigate the impact of electrode reinsertion on hearing preservation during cochlear implant revision surgery.
  • To assess the feasibility and outcomes of reimplantation in patients who previously underwent hearing-preserving cochlear implantation.

Main Methods:

  • Three patients with residual hearing underwent cochlear reimplantation using flexible electrode arrays.
  • Hearing preservation was evaluated using pure tone audiograms, and speech perception was assessed before and after revision surgery.

Related Experiment Videos

Last Updated: May 16, 2026

Enhanced Cochlear Coverage and Hearing Preservation in High-Frequency Hearing Loss via Electric Acoustic Stimulation with Longer Electrode
03:49

Enhanced Cochlear Coverage and Hearing Preservation in High-Frequency Hearing Loss via Electric Acoustic Stimulation with Longer Electrode

Published on: October 11, 2024

Main Results:

  • Reimplantation was successful in all cases, even with slightly deeper electrode insertion.
  • Post-revision speech understanding scores were comparable to those achieved after the initial implantation.

Conclusions:

  • Revision surgery for cochlear implants does not necessarily result in the loss of natural residual hearing.
  • Patients can maintain the benefits of EAS, with potential for deeper electrode insertion without compromising residual hearing.