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Related Experiment Videos

Reoperations after cochlear implantation.

O Ribári1, G Répássy, M Küstel

  • 1Clinic of Otorhinolaryngology, Head and Neck Surgery, Semmelweis University, Budapest, Hungary. ribari@fulo.sote.hu

Acta Oto-Laryngologica
|October 18, 2001
PubMed
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Cochlear implant reoperations are safe and effective, even with multiple surgeries in the same ear. Replacing older cochlear implant devices can improve hearing outcomes without adverse effects.

Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Biomedical Engineering

Background:

  • Cochlear implantation is a common treatment for severe to profound hearing loss.
  • Device longevity and the need for revision surgeries are significant considerations in cochlear implant care.
  • Early generation cochlear implant devices may require replacement due to technological advancements or device failure.

Observation:

  • Over 14 years, 95 cochlear implantations were performed at Semmelweis University, with 15 reoperations.
  • Reoperations involved successful electrode reinsertion, with some cases showing osteogenesis in the round window or scala tympani.
  • Patients receiving multiple implants, including a third in the same ear, experienced no inner ear abnormalities.

Findings:

  • Reoperation for cochlear implants, particularly with MedE1 devices, can be performed without significant difficulty.

Related Experiment Videos

  • Patients undergoing reoperation achieved improved speech discrimination scores with newer devices.
  • No adverse inner ear abnormalities were observed in patients requiring reoperation or multiple implantations.

    • Implications:

    • Replacement of early-generation extracochlear implants is advisable based on accumulated experience.
    • Cochlear implant reoperations can be safely performed, offering potential for improved auditory outcomes.
    • This study supports the safety and efficacy of cochlear implant revision surgery and device upgrades.