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  • Title: Treatment of focal articular cartilage lesions of the knee with autogenous osteochondral graftsA 2- to 4-year follow-up study.
    Author: Wang CJ.
    Journal: Arch Orthop Trauma Surg; 2002 Apr; 122(3):169-72. PubMed ID: 11928001.
    Abstract:
    A retrospective study of 15 patients with 16 knees who underwent osteochondral autografts for focal full thickness articular cartilage defects of the knee with 2- to 4-year follow-up showed 80% good or excellent clinical results. There was no correlation of the clinical results with the underlying diagnoses, including osteonecrosis, osteochondritis dessicans and traumatic cartilage defect, or a size of the lesion smaller than 600 mm(2). However, cartilage lesions larger than 600 mm(2) were associated with increasing fibrous tissue formation and fissuring between the grafts and the host tissues and poor results. The improvement in symptoms appeared time-dependent, ranging from 6 to 16 weeks, suggesting that postoperative protection of the graft is warranted. There was no radiographic progression of degenerative changes of the knee on the medium-term follow-up. Therefore, an autogenous osteochondral graft is considered a good method in the treatment of knees with moderately sized articular cartilage defects.
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