Background class='Para'>Implant stability is considered vital to long-time implant survival in total hip arthroplasty (THA), since loose implants are reported to be a major cause'/> The migration pattern of the Charnley femoral stem: a five-year follow-up RSA study in a well-functioning patient group
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首页> 外文期刊>Journal of orthopaedics and traumatology: official journal of the Italian Society of Orthopaedics and Traumatology >The migration pattern of the Charnley femoral stem: a five-year follow-up RSA study in a well-functioning patient group
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The migration pattern of the Charnley femoral stem: a five-year follow-up RSA study in a well-functioning patient group

机译：Charnley股骨柄的迁移模式：功能良好的患者组中的一项为期五年的RSA随访研究

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class="Heading">Background class="Para">Implant stability is considered vital to long-time implant survival in total hip arthroplasty (THA), since loose implants are reported to be a major cause of hip revision. There is an association between early implant micromotion and increased risk of revision. More implant-specific data are needed to establish acceptable levels of early implant movement. class="Heading">Materials and methods class="Para">Thirty-five patients (36 hips) undergoing Charnley THA were followed with repeated clinical, radiographic, and radiostereometric analysis (RSA) over 5?years. Twenty-three patients attended 5?years postoperatively. class="Heading">Results class="Para">The patient group was well functioning based on the radiological and clinical evaluations. The stems constantly moved up to 5?years postoperatively, with subsidence, retroversion, and varus tilt, based on the RSA. class="Heading">Conclusion class="Para">Continuous movement of the Charnley stem was observed up to 5?years postoperatively in a well-functioning patient group. The migration data presented herein could be useful when defining acceptable migration limits for certain types of cemented femoral stems.
机译：class =“ Heading”>背景 class =“ Para”>在全髋关节置换术（THA）中，植入物稳定性被认为对于长期植入物存活至关重要，因为据报道，植入物松动是主要原因髋关节翻修早期植入物微动与翻修风险增加之间存在关联。需要更多特定于植入物的数据来建立可接受的早期植入物运动水平。 class =“ Heading”>材料和方法 class =“ Para”> 35名患者（36髋） ）接受Charnley THA治疗后，在5年内重复进行了临床，X线和放射立体分析（RSA）。 23例患者在术后5年内就诊。 class =“ Heading”>结果 class =“ Para”>根据放射学和临床评估，患者组功能良好。根据RSA，茎在术后不断移动长达5年，具有沉降，逆行和内翻倾斜的情况。 class =“ Heading”>结论 class =“ Para”>在功能良好的患者组中，观察到Charnley茎持续运动长达5年。本文介绍的迁移数据对于定义某些类型的骨水泥骨干的可接受的迁移限制可能有用。

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