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Updated: Jul 14, 2026

Techniques of Endoscopic Ossiculoplasty
09:07

Techniques of Endoscopic Ossiculoplasty

Published on: January 26, 2024

Hydroxyapatite versus titanium ossiculoplasty.

Eric Truy1, Anna Nuca Naiman, Clemence Pavillon

  • 1Department of Otolaryngology, Head and Neck Surgery and Phoniatrics, Edouard Herriot Hospital, Lyon, France. eric.truy@chu-lyon.fr

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|May 29, 2007
PubMed
Summary

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Hydroxyapatite (HA) and titanium (TI) prostheses for ossicular reconstruction showed similar functional results and stability. Both biomaterials offer good outcomes for chronic otitis media, with no significant differences in hearing gain or prosthesis exclusion.

Area of Science:

  • Otolaryngology
  • Biomaterials Science
  • Audiology

Background:

  • Chronic otitis media frequently requires ossicular chain reconstruction.
  • Hydroxyapatite (HA) and titanium (TI) are commonly used biomaterials for ossicular replacement prostheses (ORPs).
  • Comparing the long-term efficacy and stability of HA versus TI prostheses is crucial for surgical decision-making.

Purpose of the Study:

  • To compare the functional outcomes and stability of ossicular chain reconstruction using hydroxyapatite (HA) and titanium (TI) prostheses.
  • To evaluate hearing results and prosthesis integrity in patients undergoing ossiculoplasty.

Main Methods:

  • Retrospective case series of 168 patients with chronic otitis media undergoing ossiculoplasty.
  • Utilized partial or total ossicular replacement prostheses (PORP/TORP) made of HA or TI.

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  • Assessed short-term (2 months) and long-term (1, 2, 3, 5 years) audiometric outcomes, including air-bone gap and air-conduction gain.

    • Main Results:

    • No statistically significant differences were found between HA and TI prostheses in terms of functional gain or stability.
    • Slight trends suggested better outcomes for HA in total reconstruction and TI in partial reconstruction.
    • Prosthesis exclusion occurred in 1.78% of cases, with degradation of functional gain observed over time, independent of biomaterial.

    Conclusions:

    • Both HA and TI prostheses provide good functional results and stability for ossicular reconstruction.
    • The choice between HA and TI may be guided by specific reconstruction needs (partial vs. total).
    • Long-term functional gain appears to be stable, irrespective of the biomaterial used.