Abstract
We reviewed the early outcome of 4 primary Avon patellofemoral arthroplasties performed by a single surgeon in a 1-year period. All operations were performed to treat symptomatic osteoarthritis, which had failed conservative management. All 4 procedures were performed with intraoperative computer navigation to enable correct alignment of the prosthesis. The patients were assessed clinically using the Oxford knee score and Crosby and Insall score. Radiologically, they were assessed using plain radiographs and computed tomography long leg and dynamic axial alignment views of the prosthesis. All patients had excellent early clinical and radiological results proving intraoperative navigation produces safe, reliable, and reproducible implant position in patellofemoral arthroplasty.
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