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KMID : 0386720070190010016
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Journal of the Korean Hip Society
2007 Volume.19 No. 1 p.16 ~ p.20
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Short-term Rsults of Cementless Ceramic-on-ceramic Articulation Total Hip Arthroplasty
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Choy Won-Sik
Kim Seung Kwon
Ahn Jae-Hoon
Na Kyu-Hyun
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Abstract
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Purpose: This study evaluated the short-term results of ceramic articulation total hip arthroplasty in cementless total hip arthroplasty.
Materials and Methods: 142 hips were followed-up for more than 2 years after cementless total hip arthroplasty using ceramic-on-ceramic articulation. The mean age and follow-up period was 58.3 years and 3.0 years, respectively. The Harris hip score and postoperative hip pain were analyzed clinically. The radiological results were assessed using various radiological indices.
Results: At the last follow-up, the Harris hip score improved from 58.1 points preoperatively to 93.2 points postoperatively. There were 4 cases (2.8%) of significant hip pain. Radiologically, all the stems demonstrated stable fixation. The inclination of the acetabular cup was changed significantly in 2 cases (1.4%), which were diagnosed as being loosened. A radiolucent line was observed around the stem in 9 cases (6.3%), and around the cup in 3 (2.1%). Endosteal new bone formation was observed around the stem in 50 cases (35%), and around the cup in 55 (38.5%). No osteolysis was observed around the stem and the cup.
Conclusion: The short-term results of ceramic on ceramic articulation hip arthroplasty were excellent without osteolysis.
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KEYWORD
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Cementless total hip arthroplasty, Ceramic on ceramic articulation, Osteolysis
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