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Related Experiment Video

Updated: May 10, 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

Long-term complications after cochlear implantation.

Jun Ikeya1, Atsushi Kawano, Nobuhiro Nishiyama

  • 1Department of Otorhinolaryngology, Tokyo Medical University Hospital, 6-7-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo, Japan. ikeyatmc@gmail.com

Auris, Nasus, Larynx
|July 6, 2013
PubMed
Summary
This summary is machine-generated.

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Cochlear implant surgery can lead to complications, with 8.7% of initial implants at TMU Hospital requiring revision surgery. Many major complications, like electrode issues and facial paralysis, are avoidable with proper surgical and postoperative care.

Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Medical Device Technology

Background:

  • Cochlear implantation is a vital treatment for profound deafness.
  • Postoperative complications can occur, necessitating analysis for improved patient outcomes.
  • Standardized reporting of complications is crucial for advancing the field.

Purpose of the Study:

  • To analyze long-term postoperative complications following cochlear implantation.
  • To identify factors contributing to complications for improved clinical interventions.
  • To propose a consensus for consistent reporting of cochlear implant complications.

Main Methods:

  • Retrospective review of 366 cochlear implant cases (215 adults, 151 children) at Tokyo Medical University Hospital (1985-2007).
Keywords:
Cochlear implantComplicationDevice failureElectrode slip-outFlap-related problem

Related Experiment Videos

Last Updated: May 10, 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

  • Exclusion of re-implantation cases (40 patients) and initial implants from other institutions (13 cases).
  • Categorization and examination of life-threatening, major, and minor complications.

    • Main Results:

    • Major complications occurred in 8.7% (32/366) of initial TMU Hospital implants, with 30 requiring revision surgery.
    • Flap-related issues (infection, necrosis) occurred in 3.6% (13/366), leading to re-implantation in 12 cases.
    • Electrode slip-out (8 patients) and device failure (6 patients) were noted, with some linked to implantation techniques and timeframes.

    Conclusions:

    • Many major complications, including electrode problems and facial paralysis, are preventable through strict surgical and postoperative protocols.
    • Certain complications, such as flap infections and device failures, may be unavoidable, requiring ongoing vigilance.
    • Emphasis on meticulous patient care and adherence to best practices is essential for minimizing cochlear implant complications.