10 Sep Long-Term Outcomes After Partial vs Total Knee Replacement: What Does the Evidence Show?
Knee replacement surgery has transformed the treatment of severe knee arthritis, but there is an important question that patients and clinicians increasingly face: should the entire knee be replaced, or only the damaged part? For some patients with arthritis confined predominantly to one compartment of the knee, a partial or unicompartmental knee replacement may be an alternative to total knee replacement. For patients with more extensive arthritis, total knee replacement may be the more appropriate option. The interesting question is not simply which operation is "better." Research suggests that the two procedures involve a balance between different potential benefits and risks, including recovery, function, complications, and the possibility of requiring further surgery. According to the AAOS (American Academy of Orthopaedic Surgeons), knee replacement decisions should be based on the extent and location of arthritis, the patient's overall health, activity level, and expectations — not on a single outcome measure.
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