Unicompartmental modular total knee arthroplasty.
Currently there is a difference of opinion regarding the advisability of unicompartmental total knee replacement. This report describes eight cases from a series of 100 consecutive total knee arthroplasties; results averaged 85.5 by the Cleveland Clinic knee evaluation forms. The followup period averages 37.4 months, with a range of 21 to 60 months. Indications for this procedure, provided disease is limited to a single compartment, include osteonecrosis, failed hemiarthroplasty, and traumatic arthritis. Postoperative pain, settling of tibial components, and rapid deterioration of the opposite compartment have not occurred.
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Wolfgang