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Updated: Jan 12, 2026

Treatment of Osteochondral Defects in the Rabbit's Knee Joint by Implantation of Allogeneic Mesenchymal Stem Cells in Fibrin Clots
Published on: May 21, 2013
An Update on Osteochondral Allograft Transplantation
Brian J Cole1, Yusuf Mufti1, Jared Sachs1
1Cartilage Restoration Center, Midwest Orthopaedics at Rush, Chicago, IL.
Abstract:
Osteochondral allograft (OCA) transplantation has become a reliable treatment for cartilage defects of the knee, with advancements in recent decades allowing for greater use and effectiveness. This review analyzes the evolution of OCAs through in vitro, translational, and clinical research, highlighting advancements in patient selection, defect characteristics, graft matching, storage, and intraoperative preparation. Looking at long-term clinical outcomes, the success of OCAs is significantly influenced by factors such as age, BMI, defect size, and several other intraoperative and demographic variables. Recent innovations, including orthobiologic augmentation, have augmented graft viability and integration. A number of variations in technique have allowed osteochondral grafts to be used for a wider range of lesions. In addition, emerging alternatives to OCA, technologies such as synthetic scaffolds and decellularized and cryopreserved grafts, show great promise, although more data are needed.
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