Evaluation of a new leg length measurement algorithm in hip arthroplasty.

  title={Evaluation of a new leg length measurement algorithm in hip arthroplasty.},
  author={Stephen B. Murphy and Timo Ecker},
  journal={Clinical orthopaedics and related research},
Leg length inequality after hip arthroplasty is a major source of patient dissatisfaction and dysfunction. Despite numerous reported methods to intraoperatively determine leg length change, it remains a challenge. We developed a reliable and reproducible method to measure leg length change using surgical navigation. The method measures the change in position of the femur relative to the pelvis and the pelvic coordinate system without the need to establish a femoral coordinate system. We… CONTINUE READING

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Tilt and rotation correction of acetabular version on pelvic radiographs.

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