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  • Author or Editor: Jeffery P. Watkins x
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Abstract

Objective—To determine outcome of horses with osteomyelitis of the sustentaculum tali (ST), with or without associated tarsal sheath tenosynovitis, following surgical débridement and lavage.

Design—Retrospective study.

Animals—10 horses in which a diagnosis of osteomyelitis of the ST had been made on the basis of history, physical examination findings, and results of radiography.

Procedure—Information on results of diagnostic testing, surgical findings, postoperative treatment, and short-term outcome was obtained from the medical records. Long-term follow-up information was obtained through reevaluation of horses at the teaching hospital and telephone conversations with referring veterinarians, owners, and trainers.

Results—Treatment consisted of surgical débridement, intra- and postoperative lavage, and long-term antimicrobial and anti-inflammatory treatment. Eight horses had evidence of involvement of the tarsal sheath. One horse was euthanatized after surgery because of a lack of response to treatment; the other 9 were discharged from the hospital. Severity of lameness had improved, but all still had grade-1 or -2 lameness at the time of discharge. One horse was euthanatized after discharge because of contralateral hind limb laminitis, and another horse was lost to follow- up. Of the remaining 7 horses, 6 returned to their previous use, and 1 was sound but retired for breeding for unrelated reasons.

Conclusions and Clinical Relevance—Results suggest that horses with osteomyelitis of the ST, with or without concomitant tarsal sheath tenosynovitis, can have an excellent to good outcome and may return to their previous use after surgical débridement of affected tissues and lavage of the tarsal sheath. (J Am Vet Med Assoc 2001;219:341–345)

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in Journal of the American Veterinary Medical Association

Abstract

Objective—To determine clinical and radiographic abnormalities in and outcome of horses with fractures of the greater tubercle of the humerus and to develop a radiographic technique for obtaining a cranioproximal-craniodistal oblique projection of the proximal portion of the humerus in standing horses.

Design—Retrospective case series.

Animals—15 horses.

Procedures—Data collected from medical records included signalment, history, horse use, severity and duration of lameness, radiographic and ultrasonographic findings, treatment, and outcome.

Results—All horses had a history of acute, unilateral lameness. Twelve of 15 had visual or palpable abnormalities in the shoulder region. In 6 of 8 horses, the fracture could be seen on a cranioproximal-craniodistal projection of the proximal portion of the humerus. In 2 horses, this was the only projection on which the fracture could be seen, and in an additional 2, this was the projection on which the fracture could be seen most reliably. Ten horses underwent surgery (fragment removal, 7; open reduction and internal fixation, 2; and exploration without fragment removal, 1), and 5 were treated with variable periods of stall rest and turnout. Eleven horses returned to athletic use, including 9 of the 10 treated surgically and 2 of the 5 treated without surgery.

Conclusions and Clinical Relevance—Results suggested that horses with fractures of the greater tubercle of the humerus can return to athletic soundness following treatment and emphasized the need for obtaining a cranioproximal-craniodistal radiographic projection of the proximal portion of the humerus in horses suspected to have an injury in this region.

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in Journal of the American Veterinary Medical Association