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Orthopaedic Research Department, St. Vincent's and Mercy Private Hospital, 166 Gipps Street, East Melbourne, Victoria 3002, Australia. ijphenderson@hotmail.com
Patellofemoral pain remains one of the most common musculoskeletal disorders encountered in orthopaedic practice. In this retrospective clinical study, 108 knees in 98 patients with patellofemoral pain due to malalignment were treated using a combined proximal and distal realignment technique. The results were evaluated at an average of 29.2 (1-9.2 years) months postoperatively. At final evaluation using the modified Trillat grading scale, good or excellent results were obtained in 88 (81.4%) of the knees treated. Second-look arthroscopy performed in 65 (60.2%) knees demonstrated good patellar tracking and Grade II articular changes were noted in 16 (14.8%) of the patellofemoral joints examined. Complications noted included anterior compartment syndrome with foot drop in one case and arthrofibrosis in another. We conclude that extensor realignment surgery with a combined proximal and distal realignment procedure is a reliable technique for patellofemoral pain secondary to malalignment.
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