| The Surgical Technologist | AUGUST 2022 360 Kostretzis et al. Kinematic Alignment Total Knee Revision FIGURE 7 | (A) Pre-revision long leg standing X-Ray reveals a right implant mDFA of 4◦ valgus and an mPTA of 1.5◦ valgus (5.5◦ valgus aHKA). On the intact left side, the mDFA is 2.0◦ valgus and mPTA 0.5◦ varus (aHKA of 1.5◦ valgus). (B) Right knee lateral view where the implant tibial slope is 1.5◦ anterior. (C) Left knee lateral view where the native tibial slope is 8.0◦ posterior. (D) Right knee skyline view showing a subluxed and worn patella. Frontiers in Surgery | www.frontiersin.org 12 August 2021 | Volume 8 | Article 721379
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