Mechanical TKA Alignment Has Most Data - Takeaways - MDSpire

Mechanical TKA Alignment Has Most Data

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  • Andrea Surnit

  • June 9, 2026

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  • 1

    Mechanically aligned total knee arthroplasty has the most extensive long-term survivorship evidence compared to personalized alignment strategies.

  • 2

    The review included 51 studies with 7,944 patients, focusing on postoperative tibial or femoral coronal alignment and survivorship outcomes.

  • 3

    Among 48 studies on alignment philosophy, 33 reported 100% aseptic survivorship, while 4 reported survivorship below 95%.

  • 4

    Concerns were raised about early-to-midterm revision risks with kinematic alignment, including a 16% aseptic failure rate in one study.

  • 5

    The evidence base had limitations, including small sample sizes and a lack of long-term data for several personalized alignment techniques.

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