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Reference function of old electrical stimulation electrode in cochlear-reimplantation in children
1Department of Otorhinolaryngology, Children's Hospital Affiliated to Zhengzhou University, No 33, Eastern Outer-Loop of Dragon Lake, New district of Zhengdong, Zhengzhou 450018, China.
Summary
In pediatric cochlear reimplantation, retaining the old electrode aids surgery. This reference helps reduce risks and ensures successful reoperation for children needing new cochlear implants.
Area of Science:
- Otolaryngology
- Biomedical Engineering
- Pediatric Surgery
Background:
- Cochlear reimplantation in children presents unique surgical challenges.
- Understanding the reasons for reimplantation is crucial for improving outcomes.
- The role of existing electrode arrays in revision surgeries needs clarification.
Purpose of the Study:
- To investigate the primary causes of cochlear reimplantation in pediatric cases.
- To evaluate the utility of the original electrical stimulation electrode as a reference during reimplantation surgery.
- To analyze surgical methods and intraoperative complications in pediatric cochlear reimplantation.
Main Methods:
- Retrospective analysis of 24 pediatric cochlear reimplantation cases.
- Review of surgical techniques and identified intraoperative issues.
- Documentation of reasons for reimplantation, including device failure and trauma.
Main Results:
- Twenty-three out of 24 surgeries were successful.
- One case experienced partial electrode retention due to high resistance.
- Common reimplantation causes included device failure (11 cases), post-traumatic electrode impedance (2 cases), and traumatic explantation (1 case).
Conclusions:
- The original cochlear electrode serves as a valuable reference point during reimplantation.
- Utilizing the old electrode can mitigate operational risks.
- This approach enhances the success rate of cochlear reimplantation in pediatric patients.
