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Inner ear function following underlay myringoplasty
L O Redaelli de Zinis1, M Cottelli, M Koka
1Department of Otorhinolaryngology, Head and Neck Surgery, University of Brescia, Brescia, Italy. redaelli@med.unibs.it
Introduction:
Inner ear function can be modified by middle ear surgery.
Objectives:
This study aimed to describe bone threshold conduction changes after myringoplasty.
Design:
Prospective study.
Materials And Methods:
Determination of preoperative and 6- to 12-month postoperative bone conduction thresholds for patients consecutively treated by primary underlay myringoplasty.
Results:
The mean bone conduction threshold improvement was 1 +/- 6 dB (p = 0.006). There were significant differences in bone conduction threshold changes by surgical approach and for patients with tympanosclerosis. There were no 'dead ears' following intervention, and only a 1% risk of impairment.
Conclusions:
Anatomically successful myringoplasty can partially improve bone conduction with minimal risk of impairment.
