Distal forelimb radiographic bone morphology in Thoroughbred foals during the first 10 months post-partum. Part 1: Carpus.

IF 1.8 3区农林科学 Q2 VETERINARY SCIENCES

Veterinary Medicine and Science Pub Date : 2024-07-01 DOI:10.1002/vms3.1539

Jung K Son, Patroys De Paz, Jihyun Kim, Reza Sanaei, Ryu Seungho, Simon Bailey, Helen M S Davies

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引用次数: 0

Abstract

Background: The risk of carpal injury in racehorses may be related to the morphology, yet whether carpal morphologies are set from birth or change through growth remains unclear.

Objective: To quantify carpal bone changes through growth.

Method: Twenty privately owned Thoroughbred foals born between January 2022 and May 2023 were radiographed bimonthly from birth to 10 months of age. Imprint training was used to take radiographs safely without chemical restraints. Fifteen individual and 11 relative angular carpal parameters were measured using ImageJ on dorsopalmar radiographs of the carpus at zero degrees of vertical and horizontal rotation. Associations with age (growth), sex and the differences between left and right limbs were analysed separately using a linear mixed effects model.

Results: Six individual carpal parameters changed with age (radial carpal joint [RCJ], Prx.dor. radial carpal [Cr], Prx.Cu, Dis.dor. third carpal [C3], Dis.pal.C3 and Dis.pal. intermediate carpal), and one was influenced by side, that is higher in the left carpus (Dis.pal.Cr). Seven relative parameters changed with age, and one relative parameter was influenced by side, that is higher in the left (Ra.met-RCJ). The proximo-dorsal bone surface angle of Cr and disto-dorsal bone surface angle of C3 became flatter over time, which may be associated with the re-direction of the load towards the sagittal carpal plane. Sex did not influence any of the carpal parameters, nor did the combined effect of age, side of the limb and sex.

Conclusion: Specific individual and relative angular carpal parameters changed significantly over time and some differed between the left and right limb, whereas other parameters did not change. The steeper carpal bone angles achieved proximally with the parameters that did change may improve stability by redirecting the load more medially through the carpus and the proximal and distal bones.

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产后 10 个月内纯血马驹前肢远端放射骨形态。第一部分：腕骨。

背景：赛马腕骨受伤的风险可能与腕骨的形态有关，但腕骨的形态是出生时就已确定，还是在生长过程中发生变化，目前仍不清楚：量化腕骨在生长过程中的变化：对 2022 年 1 月至 2023 年 5 月间出生的 20 匹纯血马小马驹从出生到 10 个月大期间每两个月进行一次射线照相。通过印模训练，在无化学约束的情况下安全拍摄射线照片。在垂直和水平旋转零度的腕骨背侧X光片上，使用ImageJ测量了15个个体参数和11个相对腕角参数。使用线性混合效应模型分别分析了与年龄（生长）、性别和左右肢差异的关系：结果：六个腕关节参数随年龄而变化（桡腕关节[RCJ]、Prx.dor.桡腕关节[Cr]、Prx.Cu、Dis.dor.第三腕关节[C3]、Dis.pal.C3和Dis.pal.中间腕关节），其中一个参数受侧向影响，左侧腕关节的参数较高（Dis.pal.Cr）。有 7 个相对参数随年龄变化，其中一个相对参数受侧影响，左侧较高（Ra.met-RCJ）。随着时间的推移，Cr的近侧-背侧骨面角和C3的远侧-背侧骨面角变得更平，这可能与负荷重新导向腕骨矢状面有关。性别对任何腕关节参数都没有影响，年龄、肢体一侧和性别的综合影响也是如此：结论：特定的个体和相对腕骨角度参数随着时间的推移发生了显著变化，其中一些参数在左右肢体之间存在差异，而其他参数则没有变化。在参数发生变化的情况下，近端腕骨角度较陡，这可能会通过腕骨及近端和远端骨骼将负荷转向更内侧，从而提高稳定性。

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来源期刊

Veterinary Medicine and Science Veterinary-General Veterinary

CiteScore

3.00

自引率

0.00%

发文量

296

期刊介绍： Veterinary Medicine and Science is the peer-reviewed journal for rapid dissemination of research in all areas of veterinary medicine and science. The journal aims to serve the research community by providing a vehicle for authors wishing to publish interesting and high quality work in both fundamental and clinical veterinary medicine and science. Veterinary Medicine and Science publishes original research articles, systematic reviews, meta-analyses, and research methods papers, along with invited editorials and commentaries. Original research papers must report well-conducted research with conclusions supported by the data presented in the paper. We aim to be a truly global forum for high-quality research in veterinary medicine and science, and believe that the best research should be published and made widely accessible as quickly as possible. Veterinary Medicine and Science publishes papers submitted directly to the journal and those referred from a select group of prestigious journals published by Wiley-Blackwell. Veterinary Medicine and Science is a Wiley Open Access journal, one of a new series of peer-reviewed titles publishing quality research with speed and efficiency. For further information visit the Wiley Open Access website.