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Overview: Fresh osteochondral allograft (OCA) transplantation avoids the donor-site morbidity associated with OAT and has been shown to be effective for treating capitellar OCD.
Summary: OCA offers a number of advantages that make it ideal for large, uncontained defects. A single graft can be used to treated elongated defects, which have shown to be superior to multiple plugs. As it contains subchondral bone, OCA also restores the bone loss, which may be present with large/deep osteochondral defects. In addition, the articular surface of hyaline cartilage can be restored in a single procedure. Perhaps, the primary benefit of OCA as compared with autograft is the avoidance of donor-site morbidity required of OAT.
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Publication: Arthrosc Tech. 2020 Jun; 9(6): e797–e802.
Authors: Sagar Chawla, M.D., M.P.H.a and Michael G. Saper