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Related Experiment Videos

Early results with titanium ossicular implants.

Steven Y Ho1, Robert A Battista, Richard J Wiet

  • 1Department of Otolaryngology, Northwestern University School of Medicine, Chicago, Illinois, USA. syh_me109g@yahoo.com

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|March 7, 2003
PubMed
Summary
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Titanium middle ear prostheses effectively improve hearing after ossicular reconstruction, with a low extrusion rate when a cartilage graft is used. These implants offer excellent biocompatibility and sound conduction for better efficacy.

Area of Science:

  • Otolaryngology
  • Biomaterials Science
  • Surgical Innovation

Background:

  • Ossicular reconstruction is crucial for restoring hearing in middle ear pathologies.
  • Titanium prostheses offer potential advantages in biocompatibility and handling for ossicular chain reconstruction.

Purpose of the Study:

  • To evaluate the efficacy of titanium middle ear prostheses in ossicular reconstruction.
  • To assess hearing outcomes and implant extrusion rates following titanium ossicular implant surgery.

Main Methods:

  • Retrospective chart review of 25 patients undergoing ossiculoplasty with titanium implants.
  • Analysis of preoperative and postoperative pure-tone averages and air-bone gap closure.
  • Measurement of implant extrusion rates, with and without interposition cartilage grafts.

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Main Results:

  • Significant improvement in overall mean pure-tone average by 22.2 dB.
  • Mean air-bone gap closure of 20.9 dB, with 56% of patients achieving closure <20 dB.
  • Overall extrusion rate of 4%, with zero extrusions observed when a cartilage graft was used.

Conclusions:

  • Titanium middle ear implants provide hearing improvement comparable to other materials.
  • The use of an interposition cartilage graft significantly reduces the extrusion rate.
  • Titanium's handling, biocompatibility, and acoustic properties make it an effective ossicular implant material.