Mechanical Alignment for Total Knee Arthroplasty, It is the End of an Era

Dr Pascal-André Vendittoli is a professor of surgery at University of Montreal, Canada who performs kinematic alignment TKA since 2011. Along with Dr Rivière and Vigdorchik, they recently published an editorial declaring that it is now the end of the ERA of mechanical alignment TKA (DOI: 10.1016/j.otsr.2019.07.005).

In this video, Dr Vendittoli reviews the normal knee anatomy and kinematics and the modifications produced by the “one size fits all” mechanical alignment technique. As a solution to improve our TKA patients’ clinical results, Dr Vendittoli presents the “restricted” kinematic alignment protocol (rKA). He developed this protocol to reliably produce a prosthetic knee with component/knee/limb alignments that always fall within an evidence-based safe alignment range which is compatible with long term implant survivorship.

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