Arthrodesis of the proximal interphalangeal joint using locking compression plate and 5.5 mm cortical screws in four horses
2016
Higuchi, T. (NOSAI Hidaka Mitsuishi Animal Medical Center, Hidaka-gun (Japan)) | Inoue, S. | Satoh, M. | Gotoh, T.
The arthrodesis of the proximal interphalangeal (PIP) joint is an indication of severe degenerative joint disease, traumatic subluxation, and articular fracture. Internal fixation using a 3-hole narrow locking compression plate (LCP) and three to four trans-articular 5.5 mm cortical screws was performed in four horses. The affected horses were three Thoroughbred broodmares and one show jumping horse. One of the horses had subluxation on the PIP joint in the front limb, one had subluxation on the PIP joint in the hind leg, and two had degenerative joint disease on the PIP joint in the front and hind limbs. Surgery was performed on dorsal recumbence under inhalation anesthesia to open the joint and remove as much articular cartilage as possible, insert trans-articular screws to compress the palmar or plantar aspect of the joint, and then fix LCP using 5.5 mm cortical screws axially on the dorsal surface and LHS to compress the entire joint space. All the horses were kept in a half limb cast for 3 to 4 weeks after the operation. The PIP arthrodesis method used in this report was extremely stable and strong. All the horses exhibited signs of gradually decreasing pain and lameness, and were back to go out to pasture and perform trot exercises within 10 to 12 weeks of the operation.
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