Patient-Specific Versus Conventional Instrumentation in TKA

RCT Multicenter Comparison of Patient-Specific Versus Conventional Instrumentation in Primary TKA

The aim of this prospective multicenter randomized clinical trial (RCT) is to compare the clinical and radiologic results of primary total knee arthroplasty (TKA) using patient-specific versus conventional instrumentation.

Inclusion Criteria:

• patients with primary or secondary osteoarthritis of the knee requiring total knee arthroplasty
• aged between 18 and 85 years
• able to understand information
• affiliated to social security.

Exclusion Criteria:

• active or suspected sepsis
• tumor around the knee
• previous partial or total knee replacement
• presence of hardware that could artifact MRI
• contraindication to MRI
• extra-articular deformation requiring osteotomy around the knee in conjunction with TKA
• social situation that could impair follow-up.