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The transmeatal approach: a new technique in cochlear and middle ear implants
1King Faisal Specialist Hospital & Research Centre, Riyadh 11211, Saudi Arabia. ktaibah@yahoo.com
Cochlear Implants International
|April 17, 2009
Summary
The transmeatal approach (TMA) offers a novel surgical technique for cochlear and middle-ear implantation, creating a protected tunnel to prevent electrode extrusion. This method demonstrated zero extrusion cases in a study of 131 patients.
Area of Science:
- Otolaryngology
- Neurosurgery
- Medical Devices
Background:
- Cochlear and middle-ear implantation requires secure electrode placement.
- Existing surgical approaches present varied risks and techniques.
- The transmeatal approach (TMA) is a novel technique for these procedures.
Purpose of the Study:
- To evaluate the efficacy and safety of the transmeatal approach (TMA) for cochlear and middle-ear implantation.
- To assess the rate of electrode extrusion using the TMA.
Main Methods:
- The transmeatal approach (TMA) involves creating an open transcanal tunnel.
- A protective bony groove is fashioned within the external auditory canal (EAC).
- The study included 131 patients (115 pediatric, 16 adult) from May 2004 to December 2007.
Main Results:
- The TMA was utilized for cochlear and middle-ear implantation in 131 patients.
- Follow-up ranged from 2 to 46 months.
- No instances of electrode extrusion were observed during the follow-up period.
Conclusions:
- The transmeatal approach (TMA) is a safe and effective technique for cochlear and middle-ear implantation.
- The TMA successfully prevents electrode extrusion.
- This approach offers a viable alternative for otologic surgery.
