An alternative patellar resurfacing technique in knee replacement: patellofemoral fascial interposition arthroplasty |
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Authors: | Volkan Oztuna Vasfi Karatosun Bayram Unver Irfan Ayan Fehmi Kuyurtar |
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Affiliation: | Department of Orthopaedics, Mersin University School of Medicine, Viransehir Mah, 318 sokak, Moda Plaza, C Blok, D:10, Mersin, 33190, Turkey. oztuna67@mersin.edu.tr |
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Abstract: | The present study reports the early clinical results of 38 osteoarthritic patients (38 knees) who were treated by total knee replacement in conjunction with patellofemoral fascial interposition arthroplasty (PFIA). After the femoral and tibial components were inserted, a fasciotendinous graft was harvested from the anterior surface of the quadriceps tendon and sutured around the articular surface of the patella. The patients were followed-up for a minimum of 24 months. The durability of the fascial graft was assessed radiographically by addition of a wire suture marker placed into the fascia in the first five patients. Patients were evaluated using the Hospital for Special Surgery (HSS) knee-rating system, and anterior knee pain was assessed using specific patellofemoral-related questions. The average HSS knee score improved from 61 points preoperatively to 92 points at 24 months' follow-up (P<0.001). Twenty-five patients (65.7%) had anterior knee pain preoperatively, and seven patients (18.4%) revealed anterior knee pain at their last visits (P<0.001). The position of the markers in the fascial grafts did not show any change during radiological follow-ups. Our data suggest that, PFIA provides good pain relief and it may be an alternative resurfacing technique avoiding the complications of patellar components. |
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