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KMID : 0386720100220010066
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Journal of the Korean Hip Society
2010 Volume.22 No. 1 p.66 ~ p.72
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Staged Revision of Infected Hip Arthroplasty Using an Antibiotics-Loaded Intra-Articular Cement Spacer with Retention of the Stem
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Sung Yerl-Bo
Oh Jong-Seok
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Abstract
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Purpose: When the femoral stem was well fixed in patients with a deep prosthetic hip infection, the authors performed a two-stage revision procedure using antibiotic-loaded cement spacers (ALCS) without removal of the stem, and the efficacy of this treatment was assessed.
Materials and Methods: For 12 cases of infected hip arthroplasties, a two-stage procedure was performed, and the patients were followed up for over 2 years. After the acetabular component and head was removed, debridement was done. The molded ALCS was inserted. Revision was then performed after eradication of the infection. The results were analyzed, including the changes in the clinical manifestation, the radiologic findings, the laboratory results, the functional score and the complications.
Results: Of all 12 cases, the two-stage revision arthroplasty using an ALCS with retention of the stem was performed in 11 cases (92%), on an average of 66 days (range: 40~152 days). In the 11 revised cases, there was no evidence of recurrence of infection. In the 11 cases, the mean Harris hip score improved from 40.1 points preoperatively to 91.8 points at last the follow-up. The mean WOMAC score improved from 41.8 points preoperatively to 81 points at the last follow-up. The mean Harris hip score was 85.3 points and the WOMAC score was 72.4 points during the ALCS insertion-period.
Conclusion: For the case of a perioprosthetic hip infection with a well-fixed femoral stem, two-staged revision using an ALCS without stem removal could be an alternative method in terms of effective infection control and preservation of the joint function.
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KEYWORD
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Infected hip arthroplasty, Antibiotic-Loaded cement spacer, Retention of stem, Staged revision
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