Resumo

DUQUE, Diego; VELASQUEZ, Valentina; ESPINOSA, Laura  e  ARIAS, Maria P. Idiopathic stringhalt in a Colombian Creole horse. Rev Colom Cienc Pecua [online]. 2014, vol.27, n.3, pp.227-233. ISSN 0120-0690.

Anamnesis: an adult horse that showed hind limb hyperflexion was examined. Clinical and laboratory findings: at locomotion examination bilateral hyperflexion was observed; the right hind limb was more severely affected than the left. Electromyographic and histopathological examination revealed neural denervation and muscular atrophy supporting the idiopathic stringhalt diagnosis. Treatment approach: a lateral digital extensor tenectomy and partial myectomy was practiced in both hind limbs, accompanied by medical treatment and implementation of a mild exercise plan. The effectiveness of surgery is still controversial in these cases; however, this patient evidenced slow improvement after surgery and exercise seemed to be instrumental in the recovery of his normal locomotion. Conclusion: to our knowledge, this is the first report of a clinical case compatible with idiopathic stringhalt in Colombian Creole horses, but further studies are necessary to clarify the etiology and pathogenesis of stringhalt in Colombia.

Palavras-chave : axonopathy; denervation; electromyography; hyperflexion.

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