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Before proceeding with unicompartmental knee arthroplasty (UKA), the surgeon must decide at arthrotomy whether the patient is an appropriate candidate. Both cruciate ligaments should be intact, although a deficient anterior cruciate ligament (ACL) occasionally is acceptable if certain criteria are…
In theory, unicompartmental knee arthroplasty (UKA) is an attractive alternative to osteotomy and total knee arthroplasty (TKA) in selected osteoarthritic patients. Advantages of UKA over osteotomy include higher initial success, fewer early complications, greater longevity, better cosmetic limb alignment, easier…
Mobile-bearing articulations for knee arthroplasty have been available since the 1970s. Nevertheless, for decades, they never gained great popularity and remained an alternative technique embraced by a small group of surgeons. In the early 2000s, interest in these articulations was…
Historical Perspective The controversy over whether to retain or substitute for the posterior cruciate ligament (PCL) has been ongoing since the advent of condylar total knee arthroplasty (TKA) in the early 1970s, and three schools exist. One preserves the PCL…