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首页> 外文期刊>Orthopaedic Journal of Sports Medicine >Ten-Year Comparison of Oxidized Zirconium and Cobalt-Chromium Femoral Components in Total Knee Arthroplasty
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Ten-Year Comparison of Oxidized Zirconium and Cobalt-Chromium Femoral Components in Total Knee Arthroplasty

机译：全膝关节置换术中氧化锆和钴铬股骨成分的十年比较

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Objective: The purpose of this study was to determine if oxidized zirconium femoral components had better outcomes than cobalt-chromium in vivo at medium and long term and if the use of oxidized zirconium components had clinical adverse effects. Methods: Forty consecutive patients (eighty knees) underwent simultaneous bilateral cruciate-retaining total knee arthroplasty for primary osteoarthritis from January 2002 to December 2003. For each patient, the knees were randomized to receive the oxidized zirconium femoral component, with the contralateral knee receiving the cobalt-chromium component. Outcome measures included the Western Ontario and McMaster Universities Osteoarthritis Index, Knee Injury and Osteoarthritis Outcome Score, Knee Society score, and British Orthopaedic Association patient satisfaction scale. Radiographic outcomes include the Knee Society total knee arthroplasty roentgenographic evaluation and scoring system and measurement of radiographic wear. Patients and assessors were blinded to the treatment groups and results. Results: There were no significant differences in clinical, subjective, and radiographic outcomes between the two implants at ten years postoperatively. Ten years following surgery, 36% of the patients preferred the cobalt-chromium knee compared with 11% who preferred the oxidized zirconium knee (p = 0.02) and 53% had no preference. Conclusions: Ten-year outcomes after total knee arthroplasty with oxidized zirconium and cobalt-chromium femoral components showed no significant differences in clinical, subjective, and radiographic outcomes. Patients had no preference or preferred the cobalt chromium prosthesis to the oxidized zirconium prosthesis. There were no adverse effects associated with the use of oxidized zirconium femoral implants.
机译：目的：本研究的目的是确定在中长期内，氧化锆股骨成分是否比钴铬体内具有更好的结局，以及使用氧化锆成分是否具有临床不良反应。方法：2002年1月至2003年12月，对40例连续患者（八十个膝盖）同时行双侧交叉保留全膝关节置换术治疗原发性骨关节炎。钴铬成分。结果指标包括西安大略省和麦克马斯特大学的骨关节炎指数，膝关节损伤和骨关节炎结果评分，膝关节学会评分以及英国骨科协会患者满意度量表。影像学结果包括膝关节学会全膝关节置换术的X线照片评估和评分系统以及影像学磨损的测量。患者和评估者对治疗组和结果不了解。结果：术后十年，两种植入物的临床，主观和影像学结果无显着差异。手术十年后，36％的患者偏爱钴铬膝盖，而11％的患者偏爱氧化锆膝盖（p = 0.02），53％的患者没有偏爱。结论：使用氧化锆和钴铬合金股骨全膝关节置换术后的十年结果在临床，主观和影像学结果方面无显着差异。与氧化锆假体相比，患者没有选择或偏爱钴铬假体。氧化锆股骨植入物的使用没有任何不良影响。

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