Does 3-Dimensional In Vivo Component Rotation Affect Clinical Outcomes in Unicompartmental Knee Arthroplasty?

Patients with UKA femoral and/or tibial component rotation angles within 3° ER to 3° IR of neutral component alignment reported better functional outcomes. Surgeons should be cognizant of the high variability noted in UKA component axial rotation and its potential correlation with functional scores.