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Recurrent patellar dislocation is a disabling condition, which can lead to articular cartilage injuries, osteochondral fractures, recurrent instability, pain, decreased activity and patellofemoral osteoarthritis. Trochlear dysplasia represents an important component of patellar dislocation.
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Imaging provides an objective basis for the morphological abnormalities and thus allows determination of the surgical strategy according to the concept of ‘à la carte’ surgery.
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The main surgical techniques of trochleoplasty are the sulcus deepening trochleoplasty, the ‘Bereiter’ trochleoplasty and the recession trochleoplasty.
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At mid-term, all techniques have shown a postoperative improvement in clinical scores, with a low rate of recurrence of dislocation and a possible return to sport. But these techniques do not halt the progression of patellofemoral arthritis.
Cite this article: EFORT Open Rev 2018;3 DOI: 10.1302/2058-5241.3.170058
