The Medial Pivot Myth: Why “Normal” Knee Motion is More Complex Than We Thought
New data reveal that a medial pivot pattern may not be the key to clinical success.
Total knee arthroplasty (TKA) is a well-accepted procedure that has proven to be exceptionally reliable in terms of implant longevity, boasting 20-year revision-free survival rates between 70.9% and 91.0%.
However, achieving a comparable level of subjective clinical success has proven to be elusive. Reports continue to show that up to 20% of patients are not satisfied, often citing continued pain, stiffness, or an “unnatural” feel to the joint.
