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Arthroscopic Removal of Palmar/Plantar Osteochondral Fragments from the Proximal Interphalangeal Joint in Four Horses

Author:
RADCLIFFE, ROLFE M., CHEETHAM, JON, BEZUIDENHOUT, ABRAHAM J., DUCHARME, NORM G., NIXON, ALAN J.
Source:
Veterinary surgery 2008 v.37 no.8 pp. 733-740
ISSN:
0161-3499
Subject:
disease diagnosis, disease course, physical activity, bone fractures, postoperative complications, lameness, surgery, joint diseases, functional status, case studies, horse diseases, joints (animal), horses, limb bones
Abstract:
To describe anatomic considerations and arthroscopic technique in horses for arthroscopic removal of palmar/plantar osteochondral fragments from the proximal interphalangeal (PIP) joint. Retrospective study. Adult horses (n=4) with osteochondral fragments of the palmar/plantar PIP joint. Arthroscopic removal of palmar/plantar osteochondral fragments within the PIP joint was performed with horses in dorsal recumbency under general anesthesia. Medical records of affected horses were reviewed to determine history; physical, lameness, and radiological findings; surgical technique; complications and outcome. Two horses had lameness localized to the PIP joint. Two other horses had lameness suspected, but not confirmed to the pastern region. One of these horses had a history of intermittent lameness, but was not lame on admission. All horses had radiographic evidence of palmar/plantar osteochondral fragmentation within the PIP joint. Fragmentation was located abaxially in 2 horses in the hind limb and axially in 2 horses in the left forelimb. Osteochondral fragments were successfully removed via a palmar/plantar arthroscopic approach in all horses. Three horses returned to previous levels of athletic performance; 1 horse was used for trail riding instead of reining. Arthroscopy of the palmar/plantar pouch of the PIP joint allowed limited assessment of the joint and removal of osteochondral fragments. Arthroscopy of the palmar/plantar PIP joint pouch for assessment and removal of osteochondral fragments is possible and should be considered when lameness is localized to this joint.
Agid:
742567