Navigation is Equal to Estimation by Eye and Palpation in Preventing Psoas Impingement in THA.

  title={Navigation is Equal to Estimation by Eye and Palpation in Preventing Psoas Impingement in THA.},
  author={Markus Weber and M. W{\"o}rner and Benedikt Messmer and J. Grifka and Tobias Renkawitz},
  journal={Clinical orthopaedics and related research},
  volume={475 1},
BACKGROUND Iliopsoas tendon impingement is one possible reason for persistent groin pain and diminished functional outcome after THA. So far, estimation by eye and palpation is the standard procedure to intraoperatively assess the distance of the cup to the anterior rim. However, novel technologies such as imageless navigation enable intraoperative measurements of the cup in relation to the psoas tendon and bony landmarks. QUESTIONS/PURPOSES We asked whether psoas impingement (1) can be… CONTINUE READING
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