Total Knee Replacement

Question 1

What is the primary indication for total knee arthroplasty?

Answer 1

Disabling pain due to OA

Question 2

TKA preop evaluation?

Answer 2

-CV/Resp Anaesthetics workup
Ix: FBE, CRP, UECs, Coag profile (APTT/INR), Urinalysis and culture
-Imaging: standing AP, lateral, patellofemoral, long leg, standing knee ext/45’ flexion

Question 3

Contraindications to TKA?

Answer 3

• Knee sepsis
• Remote ongoing infection
• Extensor mechanism dysfunction
• Severe vascular disease
• Recurvatum deformity
• Well functioning knee arthrodesis