Chondral delamination of the knee in soccer players.
This study reports on the diagnosis and treatment of chondral delamination in the knees of soccer players. The authors attempted to provide a clinical standard for comparison with emerging cartilage repair techniques. Twenty-three consecutive chondral fractures in a homogeneous population of athletes were evaluated using physical examination, magnetic resonance imaging, and arthroscopic examination. All knees were treated with debridement to a stable border and removal of the calcified cartilage base. Results were graded using the scoring system advocated by proponents of chondral transplant. All patients reported pain that limited soccer activities. Effusions occurred in 48%, joint line tenderness in 33%, and crepitus in 19% of the knees. Results from magnetic resonance imaging correlated with arthroscopic examination in 21% of the knees. Arthroscopic examinations revealed lesions on the medial femoral condyle in eight patients, the patella in six, the lateral femoral condyle in six, and the trochlea in three. Athletes returned to play at an average of 10.8 weeks. Repeat arthroscopic procedures in eight cases revealed fibrocartilage at the initial site. There were 6 excellent, 9 good, 0 fair, and 0 poor results at their 1-year followup examinations (15 knees). The definitive diagnosis of chondral delamination relies on a thorough arthroscopic probing of the articular surface. The early functional results of this treatment compare favorably with the autologous transplantation technique. Caution, however, is recommended when treating articular cartilage injuries because no long-term data exists on whether any treatment modality can prevent the development of degenerative joint disease.
Levy, AS; Lohnes, J; Sculley, S; LeCroy, M; Garrett, W
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