Study on implant stability in cementless total knee arthroplasty
نویسندگان
چکیده
OBJECTIVES Determine the stability of tibial and femoral components of 20 cementless knee arthroplasties with rotating platform. METHODS The 20 patients (20 knees) underwent an analysis of dynamic radiographs with an image amplifier and maneuvers of varus and valgus which were compared to static frontal and lateral radiographs of the knees and analyzed by two experienced surgeons in a double-blind way. RESULTS We could observe in this study that both methods showed very similar results for the stability of the tibial and femoral components (p<0.001) using the Kappa method for comparison. CONCLUSION The tibial component was more unstable in relation to the femoral component in both static and dynamic studies. Level of Evidence IV, Case Series.
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