Knee osteoarthritis: partial, total or robotic replacement

The knee is a complex load-bearing joint and its replacement demands near-perfect alignment: errors of a few degrees accelerate implant loosening and residual pain. Pre-operative planning therefore matters as much as surgical skill.

Partial (unicompartmental) arthroplasty preserves the cruciate ligaments and healthy compartments, offering faster recovery and a more natural-feeling knee, but it only applies when arthritis affects a single compartment. Total arthroplasty replaces all joint surfaces and is the solution when damage is diffuse or deformity is significant.

Robotic assistance enables sub-millimetre bone cuts and optimises implant kinematics with real-time ligament balancing. It adds consistency, especially in deformed cases, though it raises cost; long-term success is high either way, but there is an intrinsic risk of stiffness if rehabilitation is poor.

Thailand and Poland pioneered the democratisation of robotic orthopaedic surgery and attract patients seeking maximum implant durability. Mexico serves enormous demand from US and Canadian border patients. The range is EUR 6,000 to 14,000, with ten to fourteen day stays and intensive physiotherapy from day one.

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