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  • Author or Editor: Vicente Aige x
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Abstract

OBJECTIVE

To describe the clinical and neurologic signs, diagnostic investigations, definitive or presumptive diagnosis, treatment, and outcome of dogs presented with acute onset central cord syndrome (CCS).

ANIMALS

74 client-owned dogs evaluated for CCS at 5 referral hospitals between January 2016 and March 2021.

PROCEDURES

Data were collected from the medical records of each dog, including patient signalment, physical and neurologic examination results, presence of signs of respiratory failure, diagnostic imaging findings, definitive or presumptive diagnosis, treatment and follow-up information. Descriptive statistics were calculated and bivariable analysis was performed to identify associations between selected variables.

RESULTS

2 neuroanatomic locations for the CCS were identified: C1-C5 spinal cord segments in 65 of 74 (88%) dogs and C6-T2 in 9 (12%) dogs. Neurolocalization did not correlate with the imaging findings in 43 (58%) dogs. Different diseases were associated with CCS. The most common condition was Hansen type I disk herniation in 27 (36%) dogs and hydrated nucleus pulposus extrusion in 16 (22%) dogs. Main lesion locations within the vertebral column associated with CCS were C3-C4 and C4-C5 intervertebral disk spaces in 21 (28%) and 18 (24%) dogs, respectively. Outcome was favorable in 69 (93%) dogs. Patients presenting with hypoventilation were 14.7 times more likely to have a poor outcome.

CLINICAL RELEVANCE

CCS in dogs may be seen with lesions in the C1-C5 and C6-T2 spinal cord segments. Etiologies are variable. Total or partial improvement was achieved in most dogs with the appropriate treatment. Hypoventilation was associated with death.

Full access
in Journal of the American Veterinary Medical Association

Abstract

OBJECTIVE

To describe the signalment, clinical findings, presumptive or definitive diagnosis, and outcome in cats with central cord syndrome (CCS).

ANIMALS

22 cats.

CLINICAL PRESENTATION

Cats evaluated for CCS at 7 referral hospitals between 2017 and 2021 were included. Information retrieved from medical records included signalment, physical and neurological examination findings, diagnostic investigations, definitive or presumptive diagnosis, treatment, and follow-up.

RESULTS

Median age at presentation was 9 years. Two neuroanatomical localizations were associated with CCS: C1-C5 spinal cord segments in 17 (77.3%) cats and C6-T2 spinal cord segments in 5 (22.7%) cats. Neuroanatomical localization did not correlate with lesion location on MRI in 8 (36.3%) cats. The most common lesion location within the vertebral column was over the C2 and C4 vertebral bodies in 6 (27.2%) and 5 (22.7%) cats, respectively. Peracute clinical signs were observed in 11 (50%) cats, acute in 1 (4.5%), subacute in 4 (18%), and chronic and progressive signs were seen in 6 (40.9%) cats. The most common peracute condition was ischemic myelopathy in 8 (36.3%) cats, whereas neoplasia was the most frequently identified chronic etiology occurring in 5 (22.7%) cats. Outcome was poor in 13 (59%) cats, consisting of 4 of 11 (36.6%) of the peracute cases, 3 of 4 (75%) of the subacute cases, and 6 of 6 of the chronic cases.

CLINICAL RELEVANCE

Central cord syndrome can occur in cats with lesions in the C1-C5 and C6-T2 spinal cord segments. Multiple etiologies can cause CCS, most commonly, ischemic myelopathy and neoplasia. Prognosis depends on the etiology and onset of clinical signs.

Full access
in Journal of the American Veterinary Medical Association