Investigation of a contributing factor for cervical vertebral stenotic myelopathy using computed tomography for measuring the cervical vertebral volume

The Journal of Veterinary Medical Science

article

Taro KONDO¹  Yamato MASHIMO¹  Fumio SATO²  Nao TSUZUKI³  Kazutaka YAMADA¹ 

[1] School of Veterinary Medicine, Azabu University;Equine Research Institute;Department of Veterinary Medicine, Obihiro University of Agriculture and Veterinary Medicine

关键词: cervical vertebral stenotic myelopathy;    cervical vertebral volume;    computed tomography;    Thoroughbred horse;   

DOI  :  10.1292/jvms.22-0188

学科分类：兽医学

来源: Japanese Society of Veterinary Science

【 摘 要 】

Thoroughbred horses appear to be particularly predisposed to cervical vertebral stenotic myelopathy (CVSM), also known as wobbler syndrome. We hypothesized that variations in the cervical vertebral volumes can affect the dynamic instability of the cervical vertebrae. This observational study aimed to clarify whether cervical vertebral volume could be considered as a contributing factor in CVSM in Thoroughbred horses. Computed tomography (CT) was used to investigate a total of 21 male Thoroughbred horses (age range, 217–1,002 days; mean, 542.3 days). The study population comprised 17 CVSM horses (age range, 217–1,002 days; mean, 549.8 days) and 4 non-CVSM horses (age range, 244–682 days; mean, 510.5 days). The cervical vertebral volumes of three-dimensional CT were measured using the image-processing software. A significant difference in the variation of cervical vertebral volumes among C2 to C4 and C3 to C5 was identified in the CVSM group (P<0.05). While no significant differences were found in the variation in cervical vertebral volumes among C4 to C6. C3 demonstrated a significantly smaller cervical vertebral volume than C2 and C4 (P<0.05). In the non-CVSM group, no significant differences were found in the variation of cervical vertebral volume among C2 to C4, C3 to C5, and C4 to C6. Our findings suggest that variations in cranial cervical vertebral volume in CVSM male horses can be considered as an important contributing factor in CVSM development.

【 授权许可】

Unknown