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Acetabular reinforcement rings associated with allograft for severe acetabular defects

  • Emmanuel Gibon
  • Luc Kerboull
  • Jean-Pierre Courpied
  • Moussa Hamadouche
Review Article
  • 47 Downloads

Abstract

Acetabular revisions with severe bone defects can be challenging procedures. Several grading systems have been set into place to help the surgeon adequately gauge the degree of bone loss within the acetabulum. Internationally innovative research in orthopedics and bio-engineering has helped with progression of successful techniques and rings to re-establish the normal anatomy of the hip. The purpose of this review is to evaluate the outcomes of the different acetabular reinforcement rings in the setting of severe acetabular defects. A successive report of relevant data from the literature of multiple techniques will be provided. The procedures include the cup-cage, the Müller ring, the Ganz Ring, the Kerboull acetabular reinforcement device (KARD), the graft augmentation prosthesis (GAP) ring, and the Burch-Schneider ring. The main focus of this overview is rings only; other devices such as trabecular augments, custom-made cages, or oblong cups are not discussed. Furthermore, a special emphasis on the surgical technique of the KARD is also given. Procedures using these rings are usually associated with bone grafts either bulk or morselized. When considering the available data on these various rings used for reconstruction of the severely damaged acetabulum, the cup-cage, the KARD, and the Burch-Schneider ring appear to be reliable options for more successful long-term outcomes.

Keywords

Cup-cage Müller ring Ganz ring Kerboull acetabular reinforcement ring GAP ring Burch-Schneider ring 

Notes

Acknowledgments

We thank Barbara Batke (University of Illinois at Urbana-Champaign) who helped in editing this article.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© SICOT aisbl 2018

Authors and Affiliations

  1. 1.Clinical Orthopaedics Research Center, Department of Orthopaedic and Reconstructive SurgeryCentre Hospitalo-Universitaire Cochin-Port RoyalParisFrance

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