Abstract
ABSTRACT Awareness of the importance of the shape of the femoral sulcus as a component of patellar instability has gained acceptance over the last 15 years. As a result, operations to correct the abnormality by deepening the sulcus have been introduced. The main drive for this has been from Europe, but is still only performed in a few specialist centers. The indications, technique, rehabilitation, and evaluation of results are therefore still being systematized and clarified. In this report, I describe the technique of deepening by removing excess distal cancellous bone and creating 2 triangular-shaped osteochondral flaps which are then anchored with bioabsorbable screws placed into the femoral condyles. The procedure requires an appreciation of the abnormal geometry, but is not difficult to master, and the early results are encouraging. Deepening of the femoral sulcus for those patients with a significant dysplasia and symptomatic patellar instability is an operation that will become more common in the future.
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