Partial or Total Knee Replacement When You're Young?
If you qualify anatomically, partial is almost always the right choice for younger patients.
For patients under 65 with single-compartment arthritis, partial knee replacement offers three specific advantages: more bone and ligament preserved (important if a second operation is ever needed decades later), more natural knee feel for an active life, and faster recovery to return to work and family.
The historical concern — that UKA wears out faster in younger active patients — has been overstated. Registry data shows excellent 10–15 year survival even in active patients, and conversion to TKR remains straightforward later.
If you do not qualify for UKA anatomically (multi-compartment disease, ACL deficiency, large fixed deformity), then a well-done total replacement at a younger age is still an excellent operation. The choice is anatomy-driven, not age-driven.
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