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Published on: October 8, 2014
Intraoperative electrical stimulation of the stapedius reflex in children
1Department of Audiology, Stockholm Söder Hospital, Sweden.
Insights
Intraoperative electrical stimulation of the stapedius reflex in children undergoing cochlear implantation is feasible. This method helps test the implant and optimize device settings for young patients.
Area of Science:
- Otolaryngology
- Neurosurgery
- Biomedical Engineering
Background:
- Cochlear implantation is a common procedure for hearing restoration in children.
- Assessing implant function and programming during surgery is crucial for optimal outcomes.
Purpose of the Study:
- To evaluate the utility of intraoperative electrical stimulation of the stapedius reflex in pediatric cochlear implant recipients.
- To determine if the stapedius reflex can be reliably elicited and observed during surgery.
Main Methods:
- A cohort of eighteen children under 10 years old undergoing cochlear implantation were studied.
- The stapedius reflex was elicited using monopolar electrical stimulation during surgery.
Main Results:
- A visually detectable stapedius reflex was observed in all participating children.
- The electrically elicited stapedius reflex proved to be a consistent finding.
Conclusions:
- Intraoperative stapedius reflex testing serves as a valuable tool for verifying cochlear implant integrity.
- This technique aids in preventing overstimulation and establishing appropriate device parameters (C-levels) for pediatric users.
Objective:
To describe the use of intraoperative electrical stimulation on the stapedius reflex in children.
Setting:
Hospital cochlear implantation center.
Patients And Methods:
Eighteen children under the age of 10 years, who have undergone cochlear implantation, have been examined during surgery with the electrically elicited stapedius reflex in the monopolar stimulation mode.
Results:
A stapedius reflex could visually be detected for all subjects.
Conclusion:
The responses serve to test the implant, provide guidance in avoiding overstimulation of the child when the device is switched on, and estimate the optimal C-levels.
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