ORTHO
BULLETS
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Review Question - QID 5512

TKA Prosthesis Design Constrained Hinged Design Indications QID: 5512 (OBQ14.102)
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QID 5512 (Type "5512" in App Search)
A 50-year-old man with a past medical history significant for diabetes and end-stage renal disease presents with a chief complaint of instability 6-months following a total knee arthroplasty. Pre-operative radiographs are shown in Figures A-C. Physical exam at that time was notable for a large effusion, maltracking patella, extensor lag of 15 degrees, medial instability, and gross laxity to anterior and posterior forces. The procedure was uncomplicated, and was completed using a posterior-stabilized prosthesis with tibial augements and uncemented intramedullary rods in both the femur and tibia. Which of the following surgical techniques should have been implemented to avoid this complication?
  • A
  • B
  • C
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  • A
  • B
  • C