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Cryopreserved Perforated Allograft Cartilage

November 01, 2015

Contributors: Jack Farr II, MD

This video demonstrates the implantation of a cryopreserved perforated allograft cartilage in a 27 year old active male. The patient presented with retropatellar pain and crunching, and an MRI demonstrated a patellar chrondral lesion and a subchondral bone marrow lesion. The patient failed nonoperative treatment.  Through a midline approach, a standard medial parapatellar arthotomy is performed, and the lesion is exposed. The preparation of the lesion is similar to that of cell therapy: damaged cartilage is removed to a base of subchondral bone and vertical walls are established. A template is made of the lesion, and the thawed allograft is cut to fit the template. The graft is inserted and anchored with 4 microsutures. Fibrin glue is applied to the margin. At 6 months, the patient is asymptomatic, and an MRI reveals that the graft remains with basilar and marginal integration.

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