Autologous chondrocyte implantation |
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Authors: | Minas T Chiu R |
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Affiliation: | Department of Orthopedic Surgery, Brigham and Women's Hospital and the New England Baptist Hospital, Boston, Mass 02115, USA. |
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Abstract: | Rationale for the treatment of cartilage damage in younger patients depends on a thorough understanding of the predisposing factors for the chondrosis and the stage of disease. Implantation with autologous cultured chondrocytes allows for resurfacing of larger defect areas with reproducibly good/excellent results in 90% of patients with isolated lesions of the femoral condyle. Patellar lesions also may be successfully treated (approximately 75% improved) but strict attention must be given to correction of malalignment. Results in patients with tibial and salvage lesions are encouraging; however, these results should be viewed with caution due to the small number of patients with 2-year follow-up. Autologous chondrocyte implantation involves an open technique with the inherent disadvantages of adhesions and a more prolonged recovery. However, these disadvantages must be weighed against the procedure's ability to produce a hyaline-type tissue with greater durability than fibrocartilage repairs produced by traditional marrow-stimulation techniques. We recommended matching the treatment procedure to patient expectations and lesion/demographic characteristics. Based on the available literature. algorithms have been published that recommend autologous chondrocyte implantation be reserved as first-line treatment for high-demand patients with large lesions (>2 cm2) and as revision therapy in patients with lesions of all sizes, regardless of patient demand, who have failed alternative marrow stimulation techniques. |
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