Abstract
Adult dogs with degenerative myelopathy (DM) have progressive ataxia and paresis of the pelvic limbs, leading to paraplegia and euthanasia. Although most commonly reported in German Shepherd dogs, high disease prevalence exists in other breeds. Our aim was the clinical and histopathologic characterization of familial degenerative myelopathy (FDM) in Pembroke Welsh Corgi (PWC) dogs. Twenty-one PWCs were prospectively studied from initial diagnosis until euthanasia. Neurologic examination, blood tests, cerebrospinal fluid (CSF) analysis, electrodiagnostic testing, and spinal imaging were performed. Concentrations of 8-iso-prostaglandin F2alpha (8-isoprostane) were measured in CSF. Routine histochemistry was used for neuropathology. Deoxyribonucleic acid and pedigrees were collected from 110 dogs. Median duration of clinical signs before euthanasia was 19 months. Median age at euthanasia was 13 years. All dogs were nonambulatory paraparetic or paraplegic, and 15 dogs had thoracic limb weakness at euthanasia. Electrodiagnostic testing and spinal imaging were consistent with noncompressive myelopathy. No significant difference was detected in 8-isoprostane concentrations between normal and FDM-affected dogs. Axonal and myelin degene...Continue Reading
Citations
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