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A LONG TERM FOLLOW UP STUDY OF UNILATERAL SUDDEN DEAFNESS Keiko Kikawada 1 pp.585-589
Published Date 1979/8/20
DOI https://doi.org/10.11477/mf.1492208936
  • Abstract
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 Audiometric follow-ups were performed on 28 patients who were diagnosed as having unilateral sudden deafness more than 10 years ago.

 Eighteen cases out of 28 showed no changes on audiograms. Five cases showed deterioration of hearing in the affected ears. In 2 cases, the affected ears remained unchanged, while the unaffected ears showed deterioration of hearing. Bilateral progressive hearing loss was found in 3 cases. They probably had visited us in early phase of idiopathic bilateral sensorineural hearing loss (IBSH). None of the patients with vertigo at the onset of sudden deafness had vertiginous attack since then.

 The patients who showed marked recovery usually maintained good hearing. Audiometric follow ups were essential to make a differential diagnosis of sudden deafness from IBSH in some cases.


Copyright © 1979, 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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