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Mechanical treatment and autoclaving of middle ear ossicles from cholesteatomatous ears

  • Research Article
  • Published:
Central European Journal of Medicine

Abstract

Aim of the study: The authors present a prospective histomorphological study of middle ear ossicles, harvested from cholesteatomous ears, to evaluate for presence of residual cholesteatoma after mechanical treatment and short-time autoclaving.

Materials and methods

Sixty ossicles were used as specimens in this study. The ossicles were grouped as follows: Group A — ossicles stripped and burred using a fine diamond burr under microscopic control. Group B — ossicles autoclaved for 4 min at 134°C after mechanical burring under microscopic control.

Results

In group A, 30 ossicles were histologicaly examined after mechanical treatment. The residual disease was found in one badly eroded ossicle. In group B, 30 ossicles were histologicaly examined after mechanical treatment and autoclaving. That treatment eliminated cholesteatoma in all cases. The difference of results in these two treatment methods was not statistically significant.

Conclusion

Authors recommend using mechanical cleaning in cases of mildly eroded ossicles. In cases of badly eroded ossicles authors recommend to either apply a combination of mechanical and autoclaving treatment. The study proved that 4 minutes of autoclaving at 134°C after mechanical cleaning provides safe bone autografts.

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Authors and Affiliations

  1. Department of Otorhinolaryngology, Charles University Faculty of Medicine and University Hospital, Hradec Kralove 1, 500 38, Prague, Czech Republic

    Lukas Skoloudik, Jan Vokurka & Eva Simakova

Authors
  1. Lukas Skoloudik
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  2. Jan Vokurka
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  3. Eva Simakova
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Correspondence to Lukas Skoloudik.

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Skoloudik, L., Vokurka, J. & Simakova, E. Mechanical treatment and autoclaving of middle ear ossicles from cholesteatomatous ears. cent.eur.j.med 7, 194–197 (2012). https://doi.org/10.2478/s11536-011-0140-z

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  • DOI: https://doi.org/10.2478/s11536-011-0140-z

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