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Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery
Published on: August 4, 2023
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Minimum intraoperative testing battery for cochlear implantation: the international practice trend
Isra Aljazeeri1,2, Yassin Abdelsamad3, Abdulrahman Alsanosi1
1King Abdullah Ear Specialist Center (KAESC), College of Medicine, King Saud University Medical City (KSUMC), King Saud University, PO Box 245, 11411, Riyadh, Saudi Arabia.
Summary
Facial nerve monitoring, electrode impedance, and electrically evoked compound action potentials (ECAPs) are key intraoperative tests for cochlear implantation (CI) surgery. This study surveyed experts to define a minimum test battery for CI procedures.
Area of Science:
- Otolaryngology
- Neurosurgery
- Biomedical Engineering
Background:
- Cochlear implantation (CI) surgery involves numerous intraoperative tests.
- A standardized minimum test battery for CI surgery is lacking.
- Understanding practitioner practices and recommendations is crucial.
Purpose of the Study:
- To investigate current usage patterns of intraoperative tests in CI surgery.
- To gather expert recommendations for a minimum intraoperative testing battery.
- To assess practitioner attitudes toward various intraoperative CI tests.
Main Methods:
- A multicentric international survey of CI centers was conducted.
- 34 CI practitioners (otologists, audiologists, engineers) participated.
- Survey assessed test usage, perceived value, decision-making influence, and minimum battery recommendations.
Main Results:
- Facial nerve monitoring, electrode impedance, and ECAP measurements were most recommended for a minimum battery.
- Perceived value and surgical decision-making influence varied among tests.
- High-resolution CT was rated highest for value and decision-making influence.
Conclusions:
- Facial nerve monitoring, electrode impedance, and ECAP measurements form the core of current CI intraoperative testing.
- These tests are considered essential for routine CI procedures.
