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Major acetabular defects treated with the Burch-Schneider antiprotrusion cage and impaction bone allograft in a large series: a 5- to 7- year follow-up study

Abstract

Introduction

Major bone defects are the greatest challenge in hip revision arthroplasty.

Methods

In a prospective, consecutive nonrandomised study we followed up 74 patients with Type III (AAOS) acetabular bone defects who underwent revision hip arthroplasty with bone grafting and implantation of a Burch-Schneider anti-protrusion cage (APC). The patients were examined pre- and postoperatively according to a standardised clinical and radiological protocol. No patient was lost to follow-up.

Results

9 patients died before follow-up. In 9 other patients the APC was revised within the follow-up period. In 4 of these patients the revision was necessary because of aseptic loosening. In the remaining 5 cases joint infection, recurrent dislocation and 1 trauma were the reasons for revision. 56 patients were included in the statistical analysis. In the follow-up group the mean Harris Hip Score increased from 39.9 preoperatively to 73.2. 85% of the patients assessed their operation result as good or excellent.

Conclusions

In a large consecutive series the Burch-Schneider anti-protrusion cage proved to be a valuable option in the treatment of major acetabular bone defects in hip revision surgery.

Hip Int 2016; 26(6): 585 - 590

Article Type: ORIGINAL RESEARCH ARTICLE

DOI:10.5301/hipint.5000388

Authors

Axel Marx, Alexander Beier, Anne Richter, Christoph H. Lohmann, Andreas M. Halder

Article History

Disclosures

Financial support: None.
Conflict of interest: None.

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Authors

Affiliations

  • Sana Kliniken Sommerfeld, Clinic for Orthopaedics, Kremmen - Germany
  • Otto-von-Guericke-University Magdeburg, Clinic for Orthopaedics, Magdeburg - Germany

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