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KMID : 0361620080430060710
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Journal of the Korean Orthopaedic Association
2008 Volume.43 No. 6 p.710 ~ p.717
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Long-term Follow-up Results after Hip Arthroplasty using a Cementless Spotorno (CLS) Femoral Stem
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Lee Joong-Myung
Park Young-Soo
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Abstract
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Purpose: The purpose of this study was to evaluate the long-term clinical and radiological findings in patients who underwent total hip arthroplasty using a CLS femoral stem.
Materials and Methods: We evaluated 40 patients (47 hips) who underwent total hip arthroplasty using a CLS femoral stem between 1988 and 1992. The average patient age at the time of operation was 45.3 years, and the average duration of follow-up was 17 years 3 months (range, 15 years to 19 years 10 months).
Results: No femoral stem revisions were performed. The average Harris hip score improved from 51.9 preoperatively to 94.9 at final follow-up. Radiographically, small osteolytic lesions were found in 17 cases (36.2%), and endosteal bone formations were found in 44 cases (93.6%). Acetabular cup loosening occurred in 3 cases, and acetabular cup revisions were performed. Additionally, a liner change was performed in 1 case. One periprosthetic fracture and one dislocation were noted.
Conclusion: Fifteen-to-twenty-year follow-up results after total hip arthroplasty using a CLS femoral stem were excellent, with no patients requiring femoral stem revision.
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KEYWORD
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CLS femoral stem, Total hip arthroplasty
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