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KMID : 0386720030150030245
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Journal of the Korean Hip Society
2003 Volume.15 No. 3 p.245 ~ p.251
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Bipolar Versus Total Hip Arthroplasty for the Osteonecrosis of the Femoral Head
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Min Byung-Woo
Song Kwang-Soon
Jeon Si-Hyun
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Abstract
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Purpose: A matched pair study was undertaken, retrospectively, to compare the results of treatment between a bipolar hemiarthroplasty and a total hip arthroplasty for osteonecrosis of the femoral head.
Materials and Methods: Thirty matched pairs were evaluated with respect to the follow up period, sex, age, weight, bone type and activity level. There were no differences in the immediate postoperative fixation status for the stem or the size of the implant. The clinical and radiographic results, after a mean follow up of 10 years, were compared.
Results: There were no differences in the Harris hip scores and the incidences of thigh pain. The radiographic analysis revealed no difference in the fixation status at the latest follow up, but higher incidences of femoral osteolysis, revision rates and acetabular complications with bipolar hemiarthroplasty.
Conclusion: The use of bipolar hemiarthroplasty is not recommended due to the high incidences of osteolysis, revision rates and acetabular complications in the treatment of osteonecrosis of the femoral head.
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KEYWORD
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Osteonecrosis of the femoral head, Bipolar hemiarthroplasty, Total hip arthroplasty, Matched pair study
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