Kinematically Aligned Total Knee Arthroplasty or Mechanically Aligned Total Knee Arthroplasty

Kinematically versus mechanically aligned total knee arthroplasty.

The purpose of this study was to compare 2 alignment methods for total knee arthroplasty (TKA): kinematic alignment with the use of patient-specific guides and mechanical alignment with conventional instruments. A randomized, controlled trial of 41 kinematically aligned and 41 mechanically aligned patients was conducted with the patient, radiographic evaluator, and clinical evaluator blinded to...

Anatomic Versus Mechanically Aligned Total Knee Arthroplasty for Unicompartmental Knee Arthroplasty Revision

OBJECTIVES The purpose of this study was to compare the intra-operative benefits and the clinical outcomes from kinematic or mechanical alignment for total knee arthroplasty (TKA) in patients undergoing revision of failed unicompartmental kneel arthroplasty (UKA) to TKA. METHODS Ten revisions were performed with a kinematic alignment technique and 11 with a mechanical alignment. Measurements ...

Comparison Of Gait Biomechanics Between Kinematically Aligned And Neutrally Aligned Total Knee Arthroplasty

The effects of kinematically aligned total knee arthroplasty on stress at the medial tibia

OBJECTIVES Little biomechanical information is available about kinematically aligned (KA) total knee arthroplasty (TKA). The purpose of this study was to simulate the kinematics and kinetics after KA TKA and mechanically aligned (MA) TKA with four different limb alignments. MATERIALS AND METHODS Bone models were constructed from one volunteer (normal) and three patients with three different k...

Does a kinematically aligned total knee arthroplasty restore function without failure regardless of alignment category?

BACKGROUND Kinematically aligned TKA restores function by aligning the femoral and tibial components to the normal or prearthritic joint lines of the knee. However, aligning the components to the joint lines of the normal knee also aligns the tibial component in varus, creating concern that varus alignment might result in poor function and early catastrophic failure. QUESTIONS/PURPOSES We the...