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KMID : 1028220150270020083
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Hip & Pelvis
2015 Volume.27 No. 2 p.83 ~ p.89
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Long-term Outcome of Polished Stems in Total Hip Arthroplasty
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:Park Jin-Young
:Baik Seok-Jong/:Kweon Suc-Hyun/:Han Hong-Joon
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Abstract
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Purpose : The purpose of this study was to evaluate the clinical outcomes and radiologic findings of primary total hip arthroplasty (THA) using cemented polished femoral stems.
Materials and Methods : We retrospectively reviewed 91 hips (91 patients) that had undergone primary THA with cemented polished femoral stems who were followed for at least 10 years. The mean age at surgery was 57 years (47-75 years). Mean follow up period was 12.8 years (10.1-14.0 years). Harris Hip Score (HHS) was used for clinical evaluation. Radiologic evaluation was focused on cementing technique including subsidence within the cement mantle, radiolucent lines at the cement-bone or cement-stem interface, cortical hypertrophy, and calcar resorption.
Results : The average HHS was 55.2 points before the surgery that improved to an average of 93.2 points at the final follow-up. According to Barrack classification, there were 50, 32, and 9 cases in A, B, and C grades, respectively. Subsidence of femoral stem was less than 2 mm except in one patient. There were no progressing radiolucent line or loosening of the femoral stem.
Conclusion : In this study, THA using cemented polished femoral stems was found to have favorable outcomes in long term follow-up.
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KEYWORD
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Polished femoral stem, Osteolysis, Cement technique
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