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Chronic middle ear disease and cochlear implantation
M J Donnelly1, B C Pyman, G M Clark
1Human Communication Research Centre, University of Melbourne, Australia.
The Annals of Otology, Rhinology & Laryngology. Supplement
|September 1, 1995
Summary
Cochlear implantation in patients with bilateral chronic suppurative otitis media (CSOM) requires complete disease eradication. Recurrent infections and complications, including implant removal, highlight the need for aggressive surgical management before implantation.
Area of Science:
- Otolaryngology
- Neurosurgery
- Medical Device Technology
Background:
- Bilateral chronic suppurative otitis media (CSOM) presents a challenge for cochlear implantation candidacy.
- Conventional management of CSOM may not suffice for preparing the middle ear for implantation.
Observation:
- Three patients with bilateral CSOM underwent cochlear implantation after conventional treatment.
- Despite initially healthy middle ears, all three experienced CSOM recurrence post-implantation.
- One patient suffered a severe complication requiring implant explantation.
Findings:
- Standard CSOM treatment is insufficient to prevent recurrence after cochlear implantation.
- Aggressive surgical approaches, such as radical mastoidectomy with obliteration, may be necessary.
- Infection control is paramount to prevent cochlear damage and implant failure.
Implications:
- Cochlear implantation in bilateral CSOM requires meticulous pre-operative disease eradication.
- Radical mastoidectomy and obliteration should be considered for these complex cases.
- Utilizing cochlear sealing devices could mitigate the risk of infectious spread.