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Tympanoplasty with ionomeric cement.

A D Kjeldsen1, A M Grøntved

  • 1Department of Otorhinolaryngology, Odense University Hospital, Denmark.

Acta Oto-Laryngologica. Supplementum
|July 26, 2000
PubMed
Summary

Ionomeric cement effectively rebuilds the ossicular chain in patients with incus erosion, offering satisfactory hearing improvement. This technique is a safe and recommended alternative for type II tympanoplasty.

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Area of Science:

  • Otolaryngology
  • Neurosurgery
  • Medical Devices

Background:

  • Isolated erosion of the long incus process disrupts ossicular chain continuity, leading to severe hearing loss.
  • Current surgical techniques aim to restore this continuity for hearing rehabilitation.

Purpose of the Study:

  • To evaluate hearing outcomes of a novel surgical technique using ionomeric cement for ossicular chain reconstruction.
  • To compare the efficacy of ionomeric cement reconstruction with historical incus autograft interposition.

Main Methods:

  • Retrospective evaluation of 12 patients who underwent ossicular chain reconstruction with ionomeric cement for isolated long incus process erosion.
  • Comparison of pre- and post-operative pure-tone average (PTA) hearing levels.
  • Comparison with 20 historical controls treated with incus autograft interposition.

Main Results:

  • In the ionomeric cement group, 58% of patients achieved a >10 dB improvement in PTA. In the control group, 70% achieved similar improvement.
  • No statistically significant difference in hearing improvement was observed between the two groups.
  • Hearing results using ionomeric cement in type II tympanoplasty were satisfactory.

Conclusions:

  • Reconstruction of the ossicular chain with ionomeric cement provides satisfactory hearing improvement in patients with isolated long incus process erosion.
  • The ionomeric cement technique is easy to perform, reduces surgical risks, and is a viable option for type II tympanoplasty.

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