Clinical results of posterior cruciate ligament retaining TKA with alumina ceramic condylar prosthesis : comparison to Co-Cr alloy prosthesis
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概要
- 論文の詳細を見る
In a prospective study, 194 knees undergoing total knee arthroplasty (110 knees with alumina ceramic prostheses; 84 knees with Co-Cr alloy prostheses) were clinically and radiologically evaluated. Average follow-up period was 66 months (36-124 months). Average age at the time of surgery was 66 years. In the ceramic prostheses, two revision surgeries were performed because of breakage of the tibial tray and late infection, whereas two revisions of the Co-Cr alloy prostheses were carried out due to loosening and late infection. In the other patients, there were no significant differences in clinical parameters (HSS knee score and range of motion) between the two prostheses. In radiological evaluation, we could not find any radiolucent lines around the femoral ceramic component while radiolucency was present in three knees (3.6%) around the Co-Cr femoral component. Beneath the tibial tray, three knees (2.7%) showed a radiolucent line around the former prosthesis while eight knees (9.5%) demonstrated a radiolucent line around the latter prosthesis. Chi-square tests showed a significant difference in the occurrence of radiolucent line around both of the femoral and tibial prosthesis. This study demonstrated that clinical results of the alumina ceramic PCL retaining total knee prosthesis are comparable to the standard Co-Cr alloy PCL retaining total knee prosthesis. Although we could not draw any conclusions regarding the superiority of the ceramic prosthesis with respect to UHMWPE wear and long-term survivorship, this report encouraged a long-term follow-up study on ceramic prostheses.
- Springerの論文
著者
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Yasuda Kazunori
北海道大学 医学研究科人工関節･再生医学
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Minami A
Dep. Of Orthopaedic Surgery Graduate School Of Medicine Hokkaido Univ.
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Minami A
Department Of Orthopaedic Surgery Hokkaido University Graduate School Of Medicine
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Minami Akio
Dep. Of Orthopaedic Surgery Graduate School Of Medicine Hokkaido Univ.
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Minami Akio
Department Of Orthopaedic Surgery Hokkaido University Graduate School Of Medicine
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Aoki Yoshimitu
Department Of Orthopaedic Surgery Hokkaido University Graduate School Of Medicine
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Minami Akio
北海道大学 医学研究科整形外科
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Majima T
Division Of Orthopaedics Faculty Of Medicine Mccaig Centre For Joint Injury & Arthritis Research
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Majima Tokifumi
北海道大学 医学研究科整形外科
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Majima Tokifumi
Department Of Joint Replacement And Tissue Engineering Hokkaido University Graduate School Of Medici
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Majima Tokifumi
カナダ
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Minami Akio
Hitachi Metals Ltd.
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Yasuda Kazunori
Department Of Sports Medicine And Joint Reconstruction Surgery Hokkaido University Graduate School O
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Aoki Yoshimitsu
Department Of Orthopaedic Surgery Hokkaido University School Of Medicine
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Majima Tokifumi
Department Of Orthopaedic Surgery Hokkaido University Graduate School Of Medicine
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Majima Tokifumi
Department Of Joint Replacement And Tissue Engineering Hokkaido University Graduate School Of Medici
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