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External auditory canal closure in cochlear implant surgery.
Hussam K El-Kashlan1, H Alexander Arts, Steven A Telian
1Department of Otolaryngology - Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan, USA. hussam@umich.edu
Summary
External auditory canal (EAC) closure during cochlear implantation has a low risk of complications. Careful follow-up is essential for early detection of cholesteatoma in implanted ears.
Area of Science:
- Otolaryngology
- Neurosurgery
- Medical device technology
Background:
- Cochlear implantation is a common procedure for hearing restoration.
- External auditory canal (EAC) closure is sometimes necessary during cochlear implant surgery for specific patient conditions.
- Surgical techniques and potential complications of EAC closure require thorough evaluation.
Observation:
- A retrospective review of 28 patients (8 adults, 20 children) who underwent cochlear implantation with EAC closure was conducted.
- Follow-up periods ranged from 1 to 10 years.
- The modified Rambo technique was predominantly used for EAC closure.
Findings:
- Cholesteatoma developed in the implanted ear in two patients.
- EAC closure breakdown occurred in one patient with cholesteatoma.
- The overall complication rate associated with EAC closure was relatively low.
Implications:
- External auditory canal closure can be performed with a low risk profile in cochlear implant surgery.
- Close postoperative monitoring is crucial for the early identification of potential complications like cholesteatoma.
- Further research may refine techniques to minimize risks associated with EAC closure.