Schneider Robert K, Tucker Russell L, Habegger Scott R, Brown Jennifer, Leathers Charles W
Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA.
J Am Vet Med Assoc. 2003 Apr 1;222(7):973-7. doi: 10.2460/javma.2003.222.973.
To determine clinical signs, diagnostic findings, and outcome for horses with desmitis of the straight sesamoidean ligament (SSL) near its insertion on the middle phalanx.
Retrospective study.
9 horses.
Medical records were reviewed, and information on signalment, history, clinical signs, diagnostic findings, and treatment was obtained. Follow-up information was obtained through telephone conversations with owners.
In all horses, the diagnosis was made by use of high-resolution ultrasonography. Seven horses had moderate lameness on initial examination; lameness was exacerbated in 6 horses following flexion of the distal limb joints. The cause of lameness could not be determined on the basis of clinical signs, and diagnostic local anesthesia was necessary to localize the source of lameness to the distal portion of the limb. Five horses had forelimb involvement (1 bilateral), and 4 had hind limb involvement (1 bilateral). Treatment consisted primarily of a 6-month rest and rehabilitation program. Six of the 9 horses were able to return to their intended use.
Results suggest that injury to the SSL proximal to its insertion on the middle phalanx should be considered as a possible cause of lameness in horses, particularly performance horses, with lameness localized to the distal portion of the forelimb or hind limb that do not have any radiographic abnormalities. High-resolution ultrasonography was necessary to make the diagnosis. Horses with an acute injury appeared to have a reasonable chance of responding to treatment and returning to their intended use.
确定在直籽骨韧带（SSL）靠近其在中节指骨附着处发生腱炎的马匹的临床体征、诊断结果及预后情况。
回顾性研究。
9匹马。
查阅病历，获取有关动物特征、病史、临床体征、诊断结果及治疗的信息。通过与马主电话沟通获取随访信息。
所有马匹均通过高分辨率超声检查确诊。7匹马初次检查时有中度跛行；6匹马在远端肢体关节屈曲后跛行加重。根据临床体征无法确定跛行原因，需要进行诊断性局部麻醉以将跛行来源定位到肢体远端。5匹马前肢受累（1匹双侧受累），4匹马后肢受累（1匹双侧受累）。治疗主要包括为期6个月的休息和康复计划。9匹马中有6匹能够恢复到原来的使用用途。
结果表明，对于跛行局限于前肢或后肢远端且无任何放射学异常的马匹，尤其是竞技用马，应考虑直籽骨韧带在中节指骨附着处近端损伤是导致跛行的可能原因。需要高分辨率超声检查来进行诊断。急性损伤的马匹似乎有合理的机会对治疗产生反应并恢复到原来的使用用途。
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