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Related Experiment Videos

Gold prostheses for ossiculoplasty

M Gjuric1, S Schagerl

  • 1Department of Otorhinolaryngology, University of Erlangen-Nuremburg, Erlangen, Germany.

The American Journal of Otology
|May 22, 1998
PubMed
Summary

Gold prostheses for ossicular chain reconstruction showed comparable hearing results to synthetic implants. While biocompatible, prosthesis extrusion occurred in 19% of cases, often linked to tympanic membrane retraction.

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Area of Science:

  • Otolaryngology
  • Biomaterials Science
  • Surgical Outcomes Research

Background:

  • Ossicular chain reconstruction is crucial for hearing restoration in middle ear pathologies.
  • Gold prostheses offer a biocompatible alternative for ossicular replacement.

Purpose of the Study:

  • To evaluate the clinical and hearing outcomes of ossicular chain reconstruction using partial and total ossicular replacement prostheses made of gold.
  • To assess the incidence and potential causes of prosthesis extrusion.

Main Methods:

  • Retrospective case review of 59 patients undergoing tympanoplasty and ossiculoplasty with gold prostheses.
  • Follow-up for at least 12 months post-surgery.
  • Analysis of air-bone gap closure and prosthesis extrusion rates.

Main Results:

  • Partial ossicular replacement prostheses achieved a residual air-bone gap of ≤20 dB in 62% of patients.
  • Total ossicular replacement prostheses achieved a residual air-bone gap of ≤20 dB in 42% of patients.
  • Prosthesis extrusion occurred in 19% of cases, frequently associated with tympanic membrane retraction.

Conclusions:

  • Hearing results with gold prostheses are comparable to those with synthetic materials.
  • Gold implants demonstrate high biocompatibility with no instances of implant rejection.
  • Prosthesis extrusion remains a concern, potentially mitigated by surgical staging or prosthesis design modifications.

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