UKR is an abbreviation of 'unicompartmental knee replacement'.
The concept of compartments
The knee is considered to have three functional 'compartments' - two tibiofemoral compartments and one patellofemoral compartment.
Patient relevant outcomes of unicompartmental versus total knee replacement: systematic review and meta-analysis. Wilson HA, Middleton R, Abram SGF, Smith S, Alvand A, Jackson WF, Bottomley N, Hopewell S and Price AJ. BMJ. 2019; 364: l352.
See also -