Can quantitative computed tomography detect bone morphological changes associated with catastrophic proximal sesamoid bone fracture in Thoroughbred racehorses?

Equine Veterinary Journal
E N CresswellH L Reesink

Abstract

Fracture of the proximal sesamoid bones continues to be the most common fatal musculoskeletal injury in US racehorses. Identifying factors that influence fracture risk could lead to screening techniques to reduce catastrophic injury rates and improve animal welfare. To identify morphological differences between proximal sesamoid bones of the contralateral limb of fracture and control horses and assess the feasibility of computed tomography (CT) to detect traits associated with proximal sesamoid bone fracture. We hypothesised that horses with proximal sesamoid bone fracture would have greater bone density. Cross-sectional cadaver morphological study. Proximal sesamoid bone morphology was measured using high-resolution micro-CT images from 16 Thoroughbred racehorses (eight fracture, eight control) euthanised on New York racetracks. Nominal logistic regression models and receiver operating characteristic curves were created to assess the ability of CT-derived morphological traits to accurately classify fracture horses vs. controls. Bone volume fraction was greater in the fracture group (90.39 ± 1.76%) as compared to controls (87.20 ± 2.79%, P<0.0001). Bone volume fraction, bone width, trabecular thickness and degree of anisotropy ...Continue Reading

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Citations

Jun 12, 2020·Equine Veterinary Journal·Victoria A ColgateCelia M Marr
Aug 5, 2020·Equine Veterinary Journal·Sarah Plevin, Jonathan McLellan
Aug 31, 2020·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Alexander S HallEric N Smith
Dec 1, 2018·Equine Veterinary Journal·Anthony Pease, Celia M Marr
Nov 28, 2020·Equine Veterinary Journal·Babatunde A AyodeleR Christopher Whitton
May 1, 2021·Animals : an Open Access Journal From MDPI·Peter Physick-SheardWilliam Sears

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