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Related Experiment Videos

Prosthesis on a mobilized stapes footplate

W H Lippy1, M J Fucci, A G Schuring

  • 1Warren Otologic Group, Ohio, USA.

The American Journal of Otology
|September 1, 1996
PubMed
Summary

Managing a mobilized footplate during stapedectomy surgery is feasible. A vein graft and Robinson prosthesis offer a safe, effective solution, with low refixation risk for thin, blue footplates.

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Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Surgical Techniques

Background:

  • Managing an inadvertently mobilized footplate during stapedectomy for otosclerosis presents surgical challenges.
  • Historical data from 1963-1992 indicates 145 cases of footplate mobilization.

Purpose of the Study:

  • To evaluate the safety and efficacy of using a vein graft and Robinson prosthesis for managing mobilized footplates.
  • To compare outcomes based on footplate characteristics (thin/blue vs. thick/white).

Main Methods:

  • A retrospective analysis of 145 patients with mobilized footplates undergoing stapedectomy.
  • Vein graft and a 4.0-mm Robinson prosthesis were applied without footplate removal.
  • Patients were categorized into thin/blue (n=73) and thick/white (n=72) footplate groups.

Main Results:

  • Thin, blue footplates: 97% successful hearing, 100% satisfactory at 3 years; no refixation.
  • Thick, white footplates: 60% successful hearing, 72% satisfactory at 6 months; 30% required revision due to refixation.
  • Post-revision outcomes for thick, white footplates: 79% successful, 89% satisfactory at 3 years.
  • No patient experienced hearing loss.

Conclusions:

  • Vein graft and Robinson prosthesis is a safe and effective technique for managing mobilized footplates in stapedectomy.
  • Thin, blue footplates have minimal risk of refixation.
  • Thick, white footplates have a significant risk (approx. 30%) of refixation requiring revision surgery.

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