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首页> 外文期刊>Archives of orthopaedic and trauma surgery. >Intra- and inter-observer variation during femoral jig rotational alignment in knee arthroplasty.
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Intra- and inter-observer variation during femoral jig rotational alignment in knee arthroplasty.

机译：膝关节置换术中股骨夹具旋转对准过程中观察者内和观察者间的差异。

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INTRODUCTION/AIMS: Rotational alignment of the femoral prosthesis is important in total knee arthroplasty to improve performance and reduce complications. This study investigates the differences between two popular referencing methods and evaluates the variability of surgeons' techniques (inter-observer) and their reproducibility (intra-observer) of femoral alignment. METHODS: Eight surgeons each established the femoral rotational alignment on four duplicate sets of six cadaveric femoral bone casts, referencing from the epicondylar axis and from the posterior femoral condyles. These derived axes were compared against a reference Whiteside's line (anteroposterior axis). RESULTS/SUMMARY: There was no significant difference between referencing techniques and a tendency to align the femoral component in slight external rotation. Femoral rotational alignment was reproducible by each surgeon. Extensive and significant variation in alignment exists between surgeons, independent of other factors (p < 0.001).
机译：引言/目的：股骨假体的旋转对准在全膝关节置换术中对于提高性能和减少并发症很重要。这项研究调查了两种流行的参考方法之间的差异，并评估了外科医生技术（观察者间）的可变性及其股骨对准的可重复性（观察者内）。方法：八名外科医生分别以four上axis轴和股后fe为参考，在四组重复的六个尸体股骨模型上建立股骨旋转对准。将这些派生轴与参考怀特赛德的线（前后轴）进行比较。结果/总结：参照技术与轻微外旋时股骨组件对齐的趋势之间无显着差异。每个外科医生均可进行股骨旋转对准。外科医生之间在对准方面存在广泛而重大的差异，与其他因素无关（p <0.001）。

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