No significant benefit of PSI over conventional instruments in total knee arthroplasty
Component alignment and clinical outcome following total knee arthroplasty: a randomised controlled trial comparing an intramedullary alignment system with patient-specific instrumentationBone Joint J. 2016 Aug;98-B(8):1043-9
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140 patients scheduled for total knee arthroplasty were randomized to have the procedure completed with the use of either patient-specific instrumentation (PSI) or conventional intramedullary guides (CONV). The purpose of this study was to evaluate if patient-specific instrumentation afforded significantly better alignment of the lower limb, and individual component alignment. Postoperative alignm...
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