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Related Experiment Video

Updated: May 26, 2026

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation
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Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation

Published on: August 4, 2023

Complications related to cochlear implants: experience in Tehran.

Akbar Pirzadeh1, Mohammad Khorsandi, Mohammad-Ali Mohammadi

  • 1Department of Surgery School of Medicine, Tehran University of Medical Science, Tehran, Iran.

JPMA. the Journal of the Pakistan Medical Association
|December 30, 2011
PubMed
Summary

Cochlear implantation (CI) complications occurred in 13.6% of patients, with prosthesis rejection being the most frequent major issue. Older age was linked to increased major complications in this study.

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Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Biomedical Engineering

Background:

  • Cochlear implantation (CI) is a vital treatment for profound deafness.
  • Understanding CI complications is crucial for patient outcomes.
  • Amir Aalam Hospital serves a significant population requiring cochlear implants.

Purpose of the Study:

  • To investigate the incidence and types of cochlear implant complications.
  • To identify risk factors associated with these complications.
  • To compare complication rates with existing literature.

Main Methods:

  • Retrospective analysis of 177 profoundly deaf patients who underwent cochlear implantation.
  • Data collection on early and late complications, including major and minor events.

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Last Updated: May 26, 2026

Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation
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Published on: August 4, 2023

Performing Intracochlear Electrocochleography During Cochlear Implantation
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  • Statistical correlation of patient age with complication rates.

    • Main Results:

    • A total of 13.6% of patients experienced complications.
    • Major complications occurred in 4.5% of patients, with prosthesis rejection (30% of major complications) being most common.
    • Older age at the time of cochlear implantation was associated with a higher incidence of major complications.

    Conclusions:

    • The rate of major complications in this cohort exceeded that reported in other studies.
    • Prosthesis rejection is a significant concern following cochlear implantation.
    • Age is a critical factor influencing the risk of major complications after CI.