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Late post-operative hearing results correlated with the severity of tissue changes in ears with chronic otitis media

Published online by Cambridge University Press:  29 June 2007

Kauko Ojala  and
Martti Sorri
Kauko Ojala*
Affiliation:
Oulu, Finland
Martti Sorri
Affiliation:
Oulu, Finland
*
Kauko Ojala, M.D., Yliopistonkatu 1–3 E 63, 20110 Turku 11, Finland.
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Abstract

Late hearing results in 627 ears (574 patients) operated on radically for chronic otitis media are presented. Clinically, the ears were followed-up annually for 5–14 years. The results are correlated with the severity of histopathological changes in the tympanic cavity and in the mastoid air-cell system and also with the management of the tympanic mucosa and ossicular chain at operation.

The mean post-operative air-bone gap was significatly better in ears with mild histopathological changes than in ears with sever histopathological changes in the middle ear (17.0 db./33.1 db.; p<0.001) or mastoid (29.0 db./34.2 db.; p<0.01) at operation. The difference in hearing results in favour of the former group was more significant in ears in which the tympanic mucosa had been saved at operation (p<0.01/p<0.001) than in ears in which the mucosa had been removed (p<0.05).

Type
Research Article
Information
The Journal of Laryngology & Otology , Volume 97 , Issue 2 , February 1983 , pp. 131 - 139
Copyright
Copyright © JLO (1984) Limited 1983

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