THA: Computer-assisted navigation can improve accuracy of acetabular cup implantation
Validation and Usefulness of a Computer-Assisted Cup-Positioning System in Total Hip Arthroplasty: A Prospective, Randomized, Controlled StudyJ Bone Joint Surg Am. 2007 Mar;89(3):494-9
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60 patients with hip osteoarthritis or osteonecrosis were randomized to either receive total hip arthroplasty using an imageless computer-assisted navigation system or freehand implantation to insert the acetabular component. The post-operative tomography scans completed at one month indicated that computer-assisted insertion of the acetabular cup resulted in a reduction of placement outside the s...
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