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➤ Unicompartmental arthritis of the knee is a degenerative condition characterized by abnormal articular cartilage in the medial or lateral part of the tibiofemoral joint, which may be associated with meniscal disruption, ligamen-tous instability, and limb malalignment. ➤ Nonoperative treatments for unicompartmental degenerative arthritis of the knee include oral and injectable medications, weight loss, exercise, physical therapy, canes, crutches, braces, and orthoses. ➤ Arthroscopy for unicompartmental arthritis of the knee can provide a clinical benefit in terms of reduced pain and improved function for patients with mechanical symptoms, mild degenerative disease, and minimal or no malalignment. Meniscal tears, loose bodies, osteophytic spurs, or chondral flaps can cause mechanical symp-toms, which can be treated successfully with arthroscopy. ➤ Proximal tibial valgus osteotomy and distal femoral varus osteotomy for treatment of unicompartmental arthritis of the knee can realign a deformed limb, reduce pain, and improve function for active, high-demand patients with a projected life expectancy of twenty years or more. ➤ As a patient’s life expectancy and expectations for activity decrease as a result of age and disease, unicompart-mental and total knee arthroplasty provide predictably successful surgical options for the treatment of unicom-partmental arthritis of the knee.
Iorio et al. (Tue,) studied this question.