Partial Knee Replacement
A 58-year-old active man presents with isolated medial compartment knee osteoarthritis causing significant pain with walking. He has good range of motion (5-130 degrees), intact ACL, correctable varus deformity, and minimal patellofemoral symptoms. X-rays show bone-on-bone arthritis of the medial compartment with well-preserved lateral compartment and patellofemoral joint. Regarding unicompartmental knee arthroplasty (UKA):
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UKA is indicated for isolated single-compartment osteoarthritis (medial most common) with an intact ...
The classic Oxford criteria for medial UKA include: anteromedial osteoarthritis pattern (bone-on-bon...
UKA is indicated for ACL-deficient knees; fixed varus deformity greater than 20 degrees is ideal; in...
Mobile bearing designs (Oxford UKA) allow congruent contact throughout range of motion, potentially ...
Common failure modes include progression of arthritis to other compartments (most common late failur...
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Click T (True) or F (False) for each option