What is the Best Way to Identify Femoral and Tibial Anatomical Landmarks for Component Alignment? A Cadaver-Based Study.

Michael A Mont¹, Melanie Caba², Azhar Ali², Chase W Smitterberg¹, Sean B Sequeira³, James Crutcher⁴, Ormonde Mahoney⁵, Antonia F Chen⁶

¹Department of Orthopaedic Surgery, The Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland, United States.

²Stryker Corporation, Mahwah, New Jersey, United States.

³Department of Orthopaedic Surgery, Medstar Union Memorial Hospital, Baltimore, Maryland, United States.

⁴Proliance Surgeons Inc., Seattle, Washington, United States.

⁵Athens Orthopaedic Clinic, Athens, Georgia, United States.

⁶Department of Orthopaedic Surgery, University of Texas Southwestern, Dallas, Texas, United States.

PubMed DOI

Abstract

Femoral and tibial component malalignment in total knee arthroplasty has been associated with postoperative instability, patient dissatisfaction, and early component failure. Precise placement and rotational alignment are therefore critical to achieving optimal clinical results. Femoral and tibial component positioning relies on identification of bony landmarks relative to native anatomy. Previous…

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