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Japanese

Use of A Chitin Membrane for Closure of A Perforation of Tympanic Membrane Yasuhisa Chiba 1 1Teikyo University School of Medicine pp.739-743
Published Date 1993/9/20
DOI https://doi.org/10.11477/mf.1411900775
  • Abstract
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A 0.08 mm thick cushion of Chitin (N-acetyl-D-glucosamine) was used for closure of a perfo-ration of the tympanic membrane which pre-sented for 6 months in 40 patients. After de-bridement of the perforation edge, the cushion was placed over the perforation for 6 weeks. Complete closure of the perforation was achieved in 42 %, and incomplete (perforation diameter less than 0.5 mm) in 23%. In 14%, the dia-meter became smaller but exceeded 0.6 mm and in 15%, no change of size of perforation was observed. In 20% otorrhea was recurred. This method is easy in the outpatient clinic.


Copyright © 1993, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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