Abstract
A 7-day-old Japanese Black calf was presented to a local veterinarian with chief complaints of acute astasia, posterior paresis, and anorexia. Traumatic spinal injury was initially suspected. However, physical examination revealed hind leg coldness, absence of bilateral femoral artery pulse and deep pain sensation, diminished spinal reflexes, and dry gangrene of hind legs, suggesting thromboembolism of external iliac arteries. Increased activities of AST, LDH, and CPK were also suggestive of necrosis. On necropsy, a thrombus was found at the abdominal aortic bifurcation to bilateral external iliac arteries. Septic bacterial infection was suspected as the cause of aortic thromboembolism because Pseudomonas aeruginosa and Alcaligenes spp. were isolated from the thrombus. Aortic thromboembolism should be included in the differential diagnosis of posterior paresis.
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This work was supported by JSPS KAKENHI Grant Number 16K15044.
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H. Inokuma and Y. Kobayashi have received research grants from Japan Society for the Promotion of Science (JSPS).
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This report includes an animal patient. The animal was euthanized on day 16 for pathologic autopsy according to ethical and animal welfare requirements under the guidelines of the Care and Use of Agriculture Animals of Obihiro University (approval no. 28-33).
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M. Anraku, Y. Tanaka, K. Koyama, K, Watanabe and N. Horiuchi have no conflict of interest.
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Anraku, M., Tanaka, Y., Koyama, K. et al. Aortic thromboembolism with hind limb paralysis in a Japanese Black calf. Comp Clin Pathol 27, 1093–1095 (2018). https://doi.org/10.1007/s00580-018-2741-2
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DOI: https://doi.org/10.1007/s00580-018-2741-2