Abstract
ObjectivesDetermine the stability of tibial and femoral components of 20 cementless knee arthroplasties with rotating platform.MethodsThe 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.ResultsWe 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.ConclusionThe tibial component was more unstable in relation to the femoral component in both static and dynamic studies. Level of Evidence IV, Case Series.
Highlights
Objetives: Determine the stability of tibial and femoral components of 20 cementless knee arthroplasties with rotating platform
Due to the reduced number of studies conducted in the investigation of cementless knee arthroplasty stability and in the comparison of evaluation methods, we carried out this study to compare two femoral and tibial component stability evaluation methods in cementless total knee arthroplasty with rotating platform
To compare the results obtained by the first examiner in relation to the radioscopy, note that there is perfect concordance (p
Summary
Objetives: Determine the stability of tibial and femoral components of 20 cementless knee arthroplasties with rotating platform. The second phase of the study consisted of the dynamic analysis of the femoral and tibial components, recording real-time images with an image intensifier, when we performed varus and valgus stress maneuvers on the operated knees.
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