Surgical Treatment of Chronic Middle Ear Disease: III. Revisions after Tympanomastoid Surgery
- 1 January 1988
- journal article
- Published by Informa UK Limited in Acta Oto-Laryngologica
- Vol. 105 (1-2), 82-89
- https://doi.org/10.3109/00016488809119449
Abstract
Revision surgery was performed in 185 ears which had earlier undergone a total of 276 tympanomastoid operations. An open cavity had been made in 98, obliteration in 44 and canal wall up surgery in 43 ears. All ears were now operated upon by the open method combined with ear canal reconstruction and mastoid obliteration. Mastoid cholesteatoma was found in 50% of the open cavities and in 63% of intact canal wall ears, while 80% of the obliterated ears showed mastoid retraction pockets with cholesteatoma. Semicircular canal fistulae occurred in all groups, most frequently in open cavities (11%). During the follow-up period after revision (average 5 years) 3 % were reoperated upon because of a new cholesteatoma. In the whole series, average hearing levels were slightly better postoperatively and in 34% of the ears the A-B gap was 20 dB at most. The main reason for failure after primary surgery was inadequate mastoid and epitympanic bone work and failure to obliterate the medial parts of the cavity thoroughly.Keywords
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