Progression of Femoropatellar Osteochondrosis in Nine Young Horses Clinical, Radiographic and Arthroscopic Findings

摘要: The clinical and radiographic progression, arthroscopic findings for nine young horses (< 1 year of age) with femoropatellar osteochondrosis (OCD) are presented. Horses had a 2 to 12 week history bilateral (8 horses) or unilateral (1 horse) hindlimb lameness. most consistent signs included joint distention At the onset signs, lesions were not present (4 subtle (5 horses), but easily identified on radiographs taken 4 24 weeks later. Arthroscopic surgery was delayed until changes became obvious. Surgical in 20 joints commonly osteochondral "flaps" located proximal lateral trochlear ridge femur larger than been indicated by radiographs. Eight being used their intended purpose, which racing (3 3 race training), dressage pleasure riding horse). One horse required second when similar developed opposite stifle, euthanatized months later because persistent observed, distal can progress foals younger 9 age full extent lesion may take several develop.