| The Surgical Technologist | AUGUST 2022 358 Kostretzis et al. Kinematic Alignment Total Knee Revision FIGURE 5 | (A) Pre-revision long leg standing X-Ray reveals a left implant mDFA of 2◦ varus and an mPTA of 2◦ valgus (0◦ varus aHKA). On the intact right side, the mDFA is 2.0◦ valgus and mPTA 3.5◦ varus (aHKA of 1.5◦ varus). (B) Left knee lateral view where the implant posterior tibial slope is 12.0◦. (C) Left patella skyline view showing a lateral patellar retinaculum calcification and a well-centered resurfaced patella. (D) Right knee lateral view where the native tibial slope is 6.0◦ posterior. Frontiers in Surgery | www.frontiersin.org 10 August 2021 | Volume 8 | Article 721379
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