Role of Fresh Osteochondral Allografts for Large Talar Osteochondral Lesions.
Osteochondral lesions of the talus, large or small, present a challenge to the treating orthopaedic surgeon. These cartilage and bony defects can cause substantial pain and functional disability. Surgical treatment of small lesions of the talus has been thoroughly explored and includes retrograde drilling, arthroscopic débridement and marrow stimulation, osteochondral autografting from cartilage/bone unit harvested from the ipsilateral knee (mosaicplasty), and autologous chondrocyte implantation. Although each of these reparative, replacement, or regenerative techniques has various degrees of success, they may be insufficient for the treatment of large osteochondral lesions of the talus. Large-volume osteochondral lesions of the talus (>1.5 cm in diameter or area >150 mm) often involve sizable portions of the weight-bearing section of the talar dome, medially or laterally. To properly treat these osteochondral lesions of the talus, a fresh structural osteochondral allograft is a viable treatment option.
Gross, CE; Adams, SB; Easley, ME; Nunley, JA
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