Arthroplasty
Patient-specific instruments may not be applicable to all total knee arthroplasty cases
This report has been verified
by one or more authors of the
original publication.
Clin Orthop Relat Res. 2013 Dec;471(12):3988-95. doi: 10.1007/s11999-013-3206-1. Epub 2013 Aug 2
100 patients were randomized to total knee arthroplasty with either patient-specific instrumentation or conventional instrumentation. The purpose was to determine if patient-specific guides offered improved postoperative alignment over conventional methods. The results from the analysis indicated that component alignment was similar between the two treatment groups, but a large percentage (16%) of the patient-specific group requirement intraoperative conversion to conventional instruments due to a large discrepancy (>3°) in femoral component rotation.
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