• J Fritz, C Gaissmaier, B Schewe, and K Weise.
• Berufsgenossenschaftliche Unfallklinik Tübingen, Schnarrenbergstrasse 95, 72076 Tübingen. JFritz18@email.de
• Unfallchirurg. 2006 Jul 1; 109 (7): 563576563-74; quiz 575-6.

AbstractFull thickness defects of the articular cartilage in the knee joint have lower regenerative properties compared to chondral lesions of the ankle. In order to avoid early osteoarthritis, symptomatic articular cartilage defects in younger patients should undergo biological reconstruction as early as possible. There are different surgical procedures available to achieve a biological resurfacing of the articular joint line. Numerous animal experiments and clinical studies have shown that early biological reconstruction of circumscribed cartilage defects in the knee is superior to a conservative or delayed operative treatment. This effect refers not only to the defect healing but also to the elimination of changes following secondary osteoarthritis. The different surgical procedures can be differentiated concerning the various indications and the final outcome. Additional malalignment, meniscus tears, and/or ligament instabilities should be treated simultaneously together with the cartilage resurfacing. The mid- and long-term results of the different current techniques are promising, but further modifications and improvements are needed.

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