Perichondrial Arthroplasty in a Canine Elbow Model

The purpose of this study was to use a canine model to compare the ability of vascularized and nonvascularized perichondrial grafts to resurface an experimental joint defect. In five adult mongrel dogs, a 3 x 2 cm segment of perichondrium, subtended by the intercostal-internal mammary vessels, was harvested and transplanted to a surgically created defect on the ulnar condyle of the humerus. A similar defect in the opposite elbow was repaired …