Partial (or unicompartmental) and total knee replacement are both viable surgical options for treating partial knee osteoarthritis, but most patients with this condition currently undergo total knee replacement. This recent study from the BMJ
attempts to provide evidence to improve shared decision making. Partial knee replacement has several advantages over total knee replacement, including shorter time in hospital, fewer serious medical complications, lower mortality, lower deep infection rate, and better functional outcome. Revision surgery is less likely after total knee replacement, but reoperation for other causes occurs at the same rate for both procedures.