Influence of tibial component posterior slope on in vivo knee kinematics in fixed-bearing total knee arthroplasty

Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society
F CataniS Giannini

Abstract

The relation between prosthesis component kinematics and posterior slope of the tibial component in total knee arthroplasty is much debated. Three-dimensional kinematics of the replaced knee was obtained by video fluoroscopy in 23 knees treated by cruciate-retaining or cruciate-substituting arthroplasty. Relative position and orientation of the metal components were calculated in stair ascending, getting up from and sitting down on a chair, and single step up-and-down. Significant correlations were found between tibial component posterior slope and anteroposterior position of tibiofemoral lateral contact and between this slope and maximum knee flexion. These correlations were task and design specific. However, the average of the tibiofemoral contact positions over all three motor tasks was slightly posterior to the midline of the tibial base plate, reaching at most 84% of its anteroposterior dimension. Performing a posterior slope of the tibial cut does not put total knee arthroplasty with high conforming designs at higher risk of failure, even when large posterior inclinations need to be achieved.

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Citations

Jan 16, 2008·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Jeremy F SuggsGuoan Li
Jan 14, 2009·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Ajay MalviyaD J Deehan
Feb 18, 2010·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·R StagniA Leardini
Dec 21, 2011·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Zhi-Wei WangYong Hai
Jun 5, 2012·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Xiaojun ShiFuxing Pei
Jun 10, 2011·Archives of Orthopaedic and Trauma Surgery·Yu WenBin Li
Feb 18, 2010·Computer Methods in Biomechanics and Biomedical Engineering·M A StricklandM Taylor
Dec 13, 2012·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Xiaojun ShiFuxing Pei
May 22, 2013·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Shinya OkaMasahiro Kurosaka
Sep 26, 2014·BioMed Research International·Naeder HelmyStefanie P Kühnel
May 14, 2017·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Marco A MarraNico J J Verdonschot
Sep 28, 2006·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Peter J LazPaul J Rullkoetter
Jun 9, 2007·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·George R HansonGuoan Li
Feb 25, 2018·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Yifei DaiJean-Yves Jenny
May 19, 2011·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Jonas IsbergJon Karlsson
May 31, 2017·Microscopy Research and Technique·Yulin LinChuanbin Mao
Jun 9, 2020·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Teruya IshibashiKazuomi Sugamoto

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