Meningitis and meningoencephalomyelitis in horses: 28 cases (1985-2010)

Journal of the American Veterinary Medical Association
Balazs TothJohn E Madigan

Abstract

To describe clinical and clinicopathologic findings and outcome of horses with meningitis and meningoencephalomyelitis. Retrospective case series. 28 horses. Medical records of horses admitted to the hospital during a 25-year period were reviewed. Horses with a definitive diagnosis of meningitis or meningoencephalomyelitis were included in this study. Information extracted from the medical records included signalment, history, reason for admission, clinical signs, results of clinicopathologic testing and diagnostic procedures, treatment, outcome, and necropsy findings. 22 horses had confirmed infectious disease (19 bacterial, 2 parasitic, and 1 fungal), 4 had suspected infectious disease on the basis of CSF cytologic examination findings, and 2 had noninfectious meningitis or meningoencephalomyelitis. Trauma of the head and vertebral column with disruption of the blood-brain barrier and local ascending or hematogenous spread were the most common routes of infection. Common neurologic signs included abnormal mental status, cranial nerve deficits, vestibular dysfunction, ataxia, tetraparesis, and apparent neck pain. Common hematologic abnormalities included leukocytosis, neutrophilia, lymphopenia, and hyperfibrinogenemia. Cytolog...Continue Reading

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Oct 11, 2013·The Journal of Veterinary Medical Science·Ji-Youl JungSoon-Seek Yoon
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