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Related Experiment Videos

Rigid fixation of internal orbital fractures.

R D Glassman1, P N Manson, C A Vanderkolk

  • 1Division of Plastic and Reconstructive Surgery, Maryland Institute for Emergency Medical Services Systems, Baltimore.

Plastic and Reconstructive Surgery
|December 1, 1990
PubMed
Summary
This summary is machine-generated.

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Titanium implants improve orbital reconstruction outcomes by providing stable bone-graft support for large internal orbital defects, leading to more predictable eye positions after trauma or surgery.

Area of Science:

  • Ophthalmic Plastic and Reconstructive Surgery
  • Craniofacial Surgery
  • Biomedical Engineering

Background:

  • Large internal orbital defects (2-4 walls) pose challenges for standard bone-grafting in orbital reconstruction.
  • Inferomedial orbital support is frequently deficient, impacting reconstructive predictability.
  • Suboptimal eye position after reconstruction is linked to bone graft displacement, undercorrection, and resorption.

Purpose of the Study:

  • To evaluate the efficacy of titanium implants in spanning large internal orbital defects.
  • To provide a stable platform for bone grafts, minimizing displacement and improving reconstructive outcomes.
  • To assess the reliability of titanium implants in both immediate and late orbital reconstructions.

Main Methods:

  • Utilized computed tomography (CT) analysis to assess orbital volume and identify causes of unsatisfactory eye position.

Related Experiment Videos

  • Employed titanium implants to bridge extensive defects in the internal orbit.
  • Placed 26 implants in immediate and 12 in late orbital reconstructions over a 3-year period.

    • Main Results:

    • Titanium implants provided a more reliable platform for bone-graft support, reducing displacement.
    • Improved bone-graft positioning was observed in reconstructions utilizing titanium implants.
    • Two cases of late infection occurred, necessitating implant removal.

    Conclusions:

    • Titanium implants offer a viable solution for stabilizing bone grafts in large orbital reconstructions.
    • This technique enhances the predictability of eye position by minimizing graft displacement.
    • While effective, potential risks such as late infection should be considered.