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CASE STUDY An 80-year-old man presented with a failed acetabular component 29 years after the index total hip arthroplasty (THA). The patient was found to be free of infection. Radiographs identified a well-fixed, uncemented stem and a combined segmental and…
Overview This chapter reviews the history of patient-specific instrumentation (PSI) and then outlines the design rationale, surgical techniques, and results seen in kinematically aligned (KA) total knee arthroplasty (TKA). The goals of KA TKA are to (1) restore the native…