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Clinical results of osteochondral allografts in the treatment of osteochondral defects



Clinical results of osteochondral allografts in the treatment of osteochondral defects



Nihon Seikeigeka Gakkai Zasshi 59(12): 1073-1088



There have been very few clinical reports on osteochondral allograft in Japan. In the allograft we did for osteochondral defects of the knee, seven fresh grafts and four frozen grafts were used. In six of the seven fresh grafts, the surface presented macroscopically and/or arthroscopically the appearance of almost complete normality. From the histological study of the cartilage for biopsy which was obtained from the fresh graft at postoperative fifteen months, the cell viability, though decreased in the superficial layer, was fairly normal and profusely produced proteoglycan stained with safranin-O in both the middle and the deep layers. The cell viability, however, was decreased remarkably or disappeared in all three layers in the biopsy cartilage taken from the frozen graft at over one year postoperatively. The eight of the eleven knees treated with the osteochondral allograft have preserved the joint space on one foot standing radiogram and revealed good function clinically.

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Accession: 004971408

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PMID: 3914529


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