Abstract
Osteochondral lesions of the talus are common injuries in the ankle joint often resulting in early-onset osteoarthritis if left untreated. The avascular nature of articular cartilage limits healing capacity; therefore, surgical strategies are typically used in the treatment of these injuries. These treatments often result in the production of fibrocartilage rather than the native hyaline cartilage, which has decreased mechanical and tribological properties. Strategies to improve the ability of fibrocartilage to be more hyaline-like and thus more mechanically robust have been widely investigated. Biologic augmentation, including concentrated bone marrow aspirate, platelet-rich plasma, hyaluronic acid, and micronized adipose tissue, has been used in the augmentation of cartilage healing, with studies demonstrating promise. This article provides an overview and update on the various biologic adjuvants used in the treatment of cartilage injuries in the ankle joint.
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