Decreased accuracy of acetabular cup placement for imageless navigation in obese patients.

@article{Tsukada2010DecreasedAO,
  title={Decreased accuracy of acetabular cup placement for imageless navigation in obese patients.},
  author={Sachiyuki Tsukada and Motohiro Wakui},
  journal={Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association},
  year={2010},
  volume={15 6},
  pages={758-63}
}
BACKGROUND Optimal acetabular cup position is an important determinant of the success of total hip arthroplasty (THA), and navigation systems have been developed and applied to improve placement precision. However, the registration method touching bony landmarks through soft tissues may decrease the accuracy in obese cases and in patients with acetabular dysplasia. METHODS Placement accuracy in 69 joints in which THA was performed with imageless navigation was calculated by comparing the… CONTINUE READING

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