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首页> 外文期刊>The Journal of Bone and Joint Surgery. American Volume >The Stability of the Porous Tantalum Components Used in Revision THA to Treat Severe Acetabular Defects A Radiostereometric Analysis Study
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The Stability of the Porous Tantalum Components Used in Revision THA to Treat Severe Acetabular Defects A Radiostereometric Analysis Study

机译：修正素治疗严重髋臼缺陷的多孔钽组分的稳定性辐射静脉分析研究

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Background: The acetabular components used in revision total hip arthroplasty (THA) to treat severe acetabular bone defects have high rates of re-revision at mid to long-term follow-up. Early translation of acetabular components used in revision THA is a good predictor of later loosening, and radiostereometric analysis (RSA) is the most sensitive method to measure migration. The objectives of the present study were to use RSA to compare the migration of the porous tantalum acetabular components used to treat severe bone defects with the previously established acceptable proximal translation threshold of = 1 mm within 2 years, and to determine the effect on migration of the addition of inferior screws through the component into the ischium or pubis.
机译：背景：修订中使用的髋臼组分总髋关节置换术（THA）治疗严重的髋臼骨缺陷在中期的长期随访中具有高重新修订率。 修订中使用的髋臼成分的早期翻译是稍后松动的良好预测因子，并且辐射测量分析（RSA）是测量迁移的最敏感的方法。 本研究的目的是使用RSA比较用于将用于治疗严重骨缺陷的多孔钽缺陷的迁移，以在2年内具有先前建立的近端平移阈值，并确定效果 将下螺钉的迁移通过组件添加到尺寸或耻骨中。

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