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pp.338-344
Published Date 1959/5/20
DOI https://doi.org/10.11477/mf.1492202236

Tymponoplasty performed on 11 cases whose hearing by speech test fell below 30 db due to chronic otitis media showed slight improve-ment of hearing. But, similar operations performed in 5 cases above 30 clb of hearing showed a marked improvement. However, as far as the improvement on the threshold of hearing is concerned in these two groups the former appeared to be the better. From the viewpoint of postoperative hearing improve-ment the question may be resolved into im-provement in the threshold of hearing per se rather than the degree in which the hearing recovery may be established. Tympanoplasty should he performed early in the course of chronic otitis media.


Copyright © 1959, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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