Variation in Postoperative Pelvic Tilt May Confound the Accuracy of Contemporary Hip Navigation Systems
The Journal of Arthroplasty(2008)
摘要
Most computer navigation systems used in total hip arthroplasty integrate preoperative pelvic tilt to calculate the anterior pelvic plane. However, the consistency of this value after total hip arthroplasty (THA) has never been proven. We asked if substantial preoperative to postoperative variation in dynamic pelvic tilt could cause component position errors with hip navigation. This prospective study compared preoperative and postoperative dynamic pelvic tilt after THA using modern comprehensive gait analysis.
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关键词
postoperative pelvic tilt may,hip,navigation
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