Klinische Erfahrungen mit der Knorpel-Knochen-Transplantation |
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Authors: | Paul Hochstein Ulrich Glatzel Thomas Schmickal Andreas Wentzensen |
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Institution: | 1.Klinik für Unfall- und Wiederherstellungschirurgie, BG-Unfallklinik Ludwigshafen,DE |
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Abstract: | The treatment of deep cartilage defects in load-bearing joints is a problem that still has no satisfactory solution. Full-thickness defects of the articular cartilage rarely heal spontaneously, usually leaving damage that can lead to early arthrosis. Techniques currently available for the treatment of chondral defects include abrasion, drilling, micro-fracturing, transplantation of tissue autografts and allografts, and cell transplantation. Osteochondral autograft transplantation is currently the only surgical cartilage repair technique known to lead to the formation of genuine hyaline articular cartilage and its retention at least in the medium term. The Draenert method, in which a water-cooled diamond bone-cutting system is used, is an effective procedure for resurfacing the joints affected by localised cartilaginous defects, even when there is also severe bone loss. Donor-side morbidity can be kept to a minimum by filling the defect caused by harvesting with a press-fit cylinder of cancellous bone covered with periosteum for protection. |
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