Author(s): Martin GS, Haynes PF, McClure JR
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Abstract Between 1977 and 1984, 31 Thoroughbred horses (mean age, 2.8 years) were surgically treated for slab fractures of the third carpal bone. All fractures involved the articular surfaces of the intercarpal and the carpometacarpal joints in a frontal plane and had a cuboidal or slab shape. In 20 of the horses, the bone was fractured during racing and in 8 of the horses, the bone was fractured during race training. The right limb was affected more frequently than was the left limb (24 vs 7, P less than 0.05). Twenty-one (67.6\%) horses raced at least once after recovery from the surgery. Data were available from 11 claiming horses that had raced at least twice before their injuries and 4 times after recovery. A claiming horse is one that competes where any horse entered is subject to being purchased for the designated amount of the claiming race; therefore, each race tends to automatically attract entrants of similar ability. In this group of 11 horses, claiming value decreased from a mean of $13,900 to a mean of $6,500 (P less than 0.05), and the mean finish position was 5.8 +/- 3.16 before injury and 5.8 +/- 3.30 after recovery. The mean claiming value for horses that had not raced before injury, but had raced after recovery (n = 5) was $8,150.
This article was published in J Am Vet Med Assoc
and referenced in General Medicine: Open Access