Haussler K K, Stover S M, Willits N H
Department of Anatomy, Physiology and Cell Biology, School of Veterinary Medicine, University of California, Davis 95616, USA.
Am J Vet Res. 1999 Feb;60(2):143-53.
To describe the prevalence, characteristics, and severity of soft-tissue and osseous lesions in the caudal portion of the thoracic and lumbosacral vertebral column and pelvis in Thoroughbred racehorses.
36 Thoroughbred racehorses that died or were euthanatized at California racetracks between October 1993 and July 1994.
Lumbosacral and pelvic specimens were collected and visually examined for soft-tissue and osseous lesions.
Acute sacroiliac joint injury was observed in 2 specimens. Signs of chronic laxity or subluxation of the sacroiliac joint were not observed in any specimens. Impingement of the dorsal spinous processes and transverse processes was observed in 92 and 97% of specimens, respectively. Thoracolumbar articular processes had variable degrees of degenerative change in 97% of specimens. Degenerative changes were observed at lumbar intertransverse joints and sacroiliac articulations in all specimens. Some degenerative changes were widespread and severe.
Numerous degenerative changes affected vertebral processes, intervertebral articulations, and sacroiliac joints in these Thoroughbred racehorses.
Various types of vertebral and pelvic lesions need to be considered during clinical evaluation of the back and pelvis in horses. Undiagnosed vertebral or pelvic lesions could be an important contributor to poor performance and lameness in athletic horses.
描述纯种赛马胸腰椎和腰骶椎尾端以及骨盆处软组织和骨病变的患病率、特征及严重程度。
1993年10月至1994年7月间在加利福尼亚赛马场死亡或被安乐死的36匹纯种赛马。
收集腰骶部和骨盆标本，肉眼检查软组织和骨病变。
在2份标本中观察到急性骶髂关节损伤。在任何标本中均未观察到骶髂关节慢性松弛或半脱位的迹象。分别在92%和97%的标本中观察到背侧棘突和横突受到撞击。97%的标本中胸腰椎关节突有不同程度的退行性改变。在所有标本的腰横突间关节和骶髂关节均观察到退行性改变。一些退行性改变广泛且严重。
这些纯种赛马的椎体、椎间关节和骶髂关节出现了大量退行性改变。
在对马的背部和骨盆进行临床评估时，需要考虑各种类型的椎体和骨盆病变。未被诊断出的椎体或骨盆病变可能是导致运动马表现不佳和跛行的重要因素。
