The change in third metacarpal mid-diaphyseal radiographic dimensions in Thoroughbred foals through growth.

IF 2.4 2区 农林科学 Q1 VETERINARY SCIENCES
Jung K Son, Patroys De Paz, Jihyun Kim, Reza Sanaei, Seungho Ryu, Simon Bailey, Helen M S Davies
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引用次数: 0

Abstract

Background: Changes in the third metacarpal (MC3) mid-diaphyseal dimensions were measured radiographically in young Thoroughbred racehorses through race training and found to be associated with a higher risk of shin soreness. However, it is still unclear whether such negative MC3 morphologies are set congenitally or through development.

Objective: To quantify MC3 bone dimensional changes through growth.

Study design: Longitudinal.

Method: Twenty privately owned Thoroughbred foals were radiographed bimonthly from birth to 14 months of age. Four linear MC3 parameters (proximodistal MC3 length, mid-diaphyseal dorsal and palmar cortical bone thickness, and dorsopalmar medullary width) were measured using ImageJ on lateromedial radiographs. Associations with age (growth), MC3 length, differences between left and right limbs, and between sexes were analysed separately using a linear mixed effects model.

Results: The dorsal cortical bone thickness showed a positive linear relationship with growth (0.4 ± $$ \pm $$ 0.02 mm per month, p < 0.001, 95% CI [0.37, 0.44]) while the medullary width did not change. The relative thickness of the dorsal cortical bone thickness compared with the medullary cavity width and palmar cortical bone thickness also increased through growth (0.2 ± $$ \pm $$ 0.01 mm per month, p < 0.001, 95% CI [0.14, 0.19]). The dorsal cortical bone thickness was positively associated with MC3 length (0.07 ± $$ \pm $$ 0.0001 mm per mm increase in MC3 length, p < 0.001, 95% CI [0.05, 0.08]) and the relative thickness of the dorsal cortical bone thickness (RI) to the rest of the diaphyseal parameters (0.02 ± $$ \pm $$ 0.01 per mm increase in MC3 length, p = 0.01, 95% CI [0.01, 0.03]).

Main limitations: A limited number of foals were included with similar breeding.

Conclusion: The mid-diaphyseal dorsal cortical bone thickness and proportions could be measured to monitor musculoskeletal development and identify foals at increased risk of shin soreness or those that are immature or otherwise need more time before the commencement of fast training.

纯种马驹第三掌骨中骨干x线片尺寸随生长的变化。
背景:通过比赛训练测量了年轻纯种马第三掌骨(MC3)中骨干尺寸的变化,发现与较高的胫骨疼痛风险相关。然而,目前尚不清楚这种阴性的MC3形态是先天的还是通过发育形成的。目的:定量研究MC3骨生长过程中骨尺寸的变化。研究设计:纵向。方法:20匹私人纯种马从出生到14月龄,每月进行一次x线摄影。采用ImageJ在侧内侧x线片上测量MC3的四个线性参数(近远端MC3长度、干骺端中部背侧和掌侧皮质骨厚度、背侧髓质宽度)。使用线性混合效应模型分别分析了年龄(生长)、MC3长度、左右四肢差异以及性别之间的关联。结果:背皮质骨厚度与骨生长呈线性正相关(0.4±$$ \pm $$ 0.02 mm /月,p±$$ \pm $$ 0.01 mm /月,MC3长度增加p±$$ \pm $$ 0.0001 mm / mm, MC3长度增加p±$$ \pm $$ 0.01 / mm, p = 0.01, 95% CI [0.01, 0.03]).Main limitations: A limited number of foals were included with similar breeding.Conclusion: The mid-diaphyseal dorsal cortical bone thickness and proportions could be measured to monitor musculoskeletal development and identify foals at increased risk of shin soreness or those that are immature or otherwise need more time before the commencement of fast training.
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来源期刊
Equine Veterinary Journal
Equine Veterinary Journal 农林科学-兽医学
CiteScore
5.10
自引率
13.60%
发文量
161
审稿时长
6-16 weeks
期刊介绍: Equine Veterinary Journal publishes evidence to improve clinical practice or expand scientific knowledge underpinning equine veterinary medicine. This unrivalled international scientific journal is published 6 times per year, containing peer-reviewed articles with original and potentially important findings. Contributions are received from sources worldwide.
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