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Related Experiment Video

Updated: Jun 20, 2026

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation
06:54

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

Published on: August 4, 2023

Neural response telemetry in patients with the double-array cochlear implant.

Maria Valéria Goffi-Gomez1, Carolina F Abdala, Cristina Gomes Ornelas Peralta

  • 1Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Av. Dr. Eneas de Carvalho Aguiar, 255, São Paulo, 05403-000, Brazil. goffigomez@uol.com.br

European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
|September 26, 2009
PubMed
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This study evaluated double-array cochlear implants, finding measurable neural responses in some patients. However, responses differed from typical patterns, suggesting unique characteristics for this implant type.

Area of Science:

  • Neurosurgery
  • Audiology
  • Biomedical Engineering

Background:

  • Cochlear implants are crucial for hearing restoration.
  • Double-array cochlear implants offer potential for improved neural stimulation.
  • Understanding neural responses is key to optimizing implant performance.

Purpose of the Study:

  • To assess neural response telemetry (NRT) in double-array cochlear implant patients.
  • To characterize refractory recovery and spread of excitation functions.
  • To compare findings with established cochlear implant response patterns.

Main Methods:

  • Prospective study involving 11 patients with double-array cochlear implants.
  • Intra-operative Neural Response Telemetry (NRT) performed.

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Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice
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Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Published on: January 9, 2019

Related Experiment Videos

Last Updated: Jun 20, 2026

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation
06:54

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

Published on: August 4, 2023

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice
09:06

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Published on: January 9, 2019

  • Analysis of NRT thresholds, refractory recovery, and spread of excitation.

    • Main Results:

    • Measurable NRT thresholds were obtained in 6 out of 11 patients.
    • Five patients showed no measurable neural response intra-operatively.
    • Recorded recovery and spread of excitation functions differed from typical patterns observed in other etiologies.

    Conclusions:

    • Double-array cochlear implants can elicit neural responses, but with unique characteristics.
    • Further research is needed to understand the implications of these distinct neural responses.
    • Intra-operative NRT is valuable for assessing early device function in novel cochlear implant designs.