Abstract:
:Intraoperative registration of the anterior pelvic plane is necessary for navigation during total hip arthroplasty (THA). Ultrasound referencing of bony landmarks was implemented in a THA navigation system (OrthoPilot, B. Braun Aesculap; Tuttlingen, Germany) as an alternative to pointer palpation. This study compared the accuracy of manual pointer palpation with ultrasound registration for determining anterior pelvic plane registration in a consecutive series of 37 cases. Findings showed postoperative radiographic anteversion was lower than ultrasound and pointer navigated anteversion. Because ultrasound registers the bony landmarks of the anterior pelvic plane with a high degree of accuracy, we conclude radiographs 2 weeks post-operatively are not suited to evaluate anteversion, because they still display a pelvic tilt due to a pre-operative flexion contraction.
journal_name
Orthopedicsjournal_title
Orthopedicsauthors
Kiefer H,Othman Asubject
Has Abstractpub_date
2007-10-01 00:00:00pages
S153-6issue
10 Suppleissn
0147-7447issn
1938-2367journal_volume
30pub_type
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