Structural and functional outcome of bone graft with first or second generation autologous chondrocyte implantation (ACI) in osteochondral defects has not been reported. Seventeen patients (mean age of 27±7 years, range 17–40), twelve with osteochondritis dissecans (OD) (ICRS Grade 3 and 4) and five with isolated osteochondral defect (OCD) (ICRS Grade 4) were treated with a combined implantation of a unicortical autologous bone graft with ACI (the Osplug technique). Functional outcome was assessed with Lysholm scores. The repair site was evaluated with the Oswestry Arthroscopy Score (OAS), MOCART score and ICRS II histology score. Formation of subchondral lamina and lateral integration of the bone grafts were evaluated from MRI scans.Background
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