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  • Title: Early results of trabecular metal augment for acetabular reconstruction in revision hip arthroplasty.
    Author: Elganzoury I, Bassiony AA.
    Journal: Acta Orthop Belg; 2013 Oct; 79(5):530-5. PubMed ID: 24350514.
    Abstract:
    The management of acetabular bone defects presents a challenge in revision total hip arthroplasty (THA). The aim of this study was to assess the early clinical and radiological outcome of revision of acetabular components using trabecular metal cups and augments for acetabular reconstruction. The study included 18 consecutive patients with failed acetabular components after total hip arthroplasty, with acetabular defects that were revised using porous tantalum acetabular components and augments. The mean follow-up was 18 months (range: 12-24). At the most recent follow-up, 6 patients (33%) were graded as having an excellent result, 9 (50%) a good result, 3 (17%) a fair result according to the HHS. The hip centre was restored to its normal position. There were no cases of hip dislocation. One patient had a partial sciatic nerve palsy which had resolved two months postoperatively. Based on these early clinical and radiological results, TM acetabular components and augments for acetabular defects (Paprosky II and III) appear to be a promising solution for this complex situation. We continue to monitor these patients, and a larger series with longer follow-up will be required to determine the long-term outcome of these augments.
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