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Chronic otitis media: surgical failures and management
A Sismanis1, L Hutchinson, E Abedi
1Medical College of Virginia, Richmond 23298.
The American Journal of Otology
|November 1, 1989
Summary
Revision tympanomastoid surgery effectively manages chronic otitis, achieving 93% control of otorrhea or cholesteatoma. This safe and effective procedure offers significant hearing improvement for difficult otologic cases.
Area of Science:
- Otolaryngology
- Neurosurgery
- Medical Devices
Background:
- Chronic otitis surgery failure presents complex otologic challenges.
- Revision surgery risks damage to critical structures like the facial nerve, dura, and inner ear due to altered anatomy.
- Recurrent disease further complicates surgical management.
Purpose of the Study:
- To present techniques and outcomes of revision tympanomastoid surgery for recurrent chronic otitis.
- To evaluate the efficacy and safety of revision procedures in a challenging patient cohort.
- To compare hearing outcomes (air-bone gap) before and after revision surgery.
Main Methods:
- Retrospective review of 42 revision tympanomastoid procedures.
- Detailed description of surgical techniques employed for recurrent chronic otitis with and without cholesteatoma.
- Analysis of otorrhea control, cholesteatoma eradication, and audiometric results (air-bone gap).
Main Results:
- Successful control of otorrhea and/or cholesteatoma in 93% of cases.
- A mean postoperative air-bone gap of 25 dB, representing a 6 dB improvement from preoperative levels.
- The canal wall down technique was the preferred method for cholesteatoma management.
Conclusions:
- Revision tympanomastoid surgery is a highly effective and safe option for managing persistent or recurrent chronic otitis.
- The procedure yields significant improvements in audiological outcomes.
- Careful technique selection, such as the canal wall down approach for cholesteatoma, is crucial for success.