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Prevalence, clinical presentation, prognosis, and outcome of 17 dogs with spinal shock and acute thoracolumbar spinal cord disease.
J Vet Emerg Crit Care (San Antonio). 2016 May; 26(3):412-8.JV

Abstract

OBJECTIVE

To describe the prevalence, signalment, clinical features, etiology, and outcome in dogs with acute thoracolumbar disease and suspected spinal shock.

DESIGN

Retrospective clinical case study (2005-2010).

SETTING

Private specialty practice.

ANIMALS

Medical records of 263 dogs with thoracolumbar spinal magnetic resonance imaging were reviewed. If decreased or absent withdrawal reflexes were present in 1 or both pelvic limbs, in the absence of a spinal lesion in the lumbosacral intumescence, dogs were diagnosed with spinal shock. Dogs with suspected or confirmed spinal neoplasia, myelomalacia, or meningomyelitis were excluded. Seventeen of 263 dogs (6%) met inclusion criteria.

INTERVENTIONS

None.

MEASUREMENTS AND MAIN RESULTS

Thoracic lesions were significantly more likely to result in spinal shock when compared to lumbar lesions (P = 0.03). Fibrocartilaginous embolism was the most commonly diagnosed etiology (7 of 17 dogs), and was more common in the thoracic spine compared to in the lumbar spine (P = 0.10). Six of 17 dogs (35%) were diagnosed with intervertebral disk herniation; 4 of 17 dogs (24%) with suspected acute noncompressive nucleus pulposus extrusion. Two dogs were lost to follow-up. Fourteen of 15 (93%) dogs had improved or normal reflexes by 60 days post injury.

CONCLUSIONS

Although the prevalence of spinal shock was low, it should be considered in any dog presenting with an acute history of thoracolumbar spinal injury with reduced or absent reflexes in the pelvic limbs. The presence of spinal shock should not dissuade a veterinarian from pursuing appropriate diagnostic testing and therapy for the underlying etiology.

Authors+Show Affiliations

VCA Aurora Animal Hospital, 2600 West Galena Boulevard, Aurora, IL, 60506.VCA Aurora Animal Hospital, 2600 West Galena Boulevard, Aurora, IL, 60506.VCA Aurora Animal Hospital, 2600 West Galena Boulevard, Aurora, IL, 60506.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

26676985

Citation

Full, Amanda M., et al. "Prevalence, Clinical Presentation, Prognosis, and Outcome of 17 Dogs With Spinal Shock and Acute Thoracolumbar Spinal Cord Disease." Journal of Veterinary Emergency and Critical Care (San Antonio, Tex. : 2001), vol. 26, no. 3, 2016, pp. 412-8.
Full AM, Heller HL, Mercier M. Prevalence, clinical presentation, prognosis, and outcome of 17 dogs with spinal shock and acute thoracolumbar spinal cord disease. J Vet Emerg Crit Care (San Antonio). 2016;26(3):412-8.
Full, A. M., Heller, H. L., & Mercier, M. (2016). Prevalence, clinical presentation, prognosis, and outcome of 17 dogs with spinal shock and acute thoracolumbar spinal cord disease. Journal of Veterinary Emergency and Critical Care (San Antonio, Tex. : 2001), 26(3), 412-8. https://doi.org/10.1111/vec.12438
Full AM, Heller HL, Mercier M. Prevalence, Clinical Presentation, Prognosis, and Outcome of 17 Dogs With Spinal Shock and Acute Thoracolumbar Spinal Cord Disease. J Vet Emerg Crit Care (San Antonio). 2016;26(3):412-8. PubMed PMID: 26676985.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Prevalence, clinical presentation, prognosis, and outcome of 17 dogs with spinal shock and acute thoracolumbar spinal cord disease. AU - Full,Amanda M, AU - Heller,Heidi L Barnes, AU - Mercier,Miyu, Y1 - 2015/12/16/ PY - 2013/08/29/received PY - 2014/06/24/revised PY - 2014/07/28/accepted PY - 2015/12/18/entrez PY - 2015/12/18/pubmed PY - 2017/5/2/medline KW - canine KW - fibrocartilaginous embolism KW - spinal shock KW - withdrawal reflex SP - 412 EP - 8 JF - Journal of veterinary emergency and critical care (San Antonio, Tex. : 2001) JO - J Vet Emerg Crit Care (San Antonio) VL - 26 IS - 3 N2 - OBJECTIVE: To describe the prevalence, signalment, clinical features, etiology, and outcome in dogs with acute thoracolumbar disease and suspected spinal shock. DESIGN: Retrospective clinical case study (2005-2010). SETTING: Private specialty practice. ANIMALS: Medical records of 263 dogs with thoracolumbar spinal magnetic resonance imaging were reviewed. If decreased or absent withdrawal reflexes were present in 1 or both pelvic limbs, in the absence of a spinal lesion in the lumbosacral intumescence, dogs were diagnosed with spinal shock. Dogs with suspected or confirmed spinal neoplasia, myelomalacia, or meningomyelitis were excluded. Seventeen of 263 dogs (6%) met inclusion criteria. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Thoracic lesions were significantly more likely to result in spinal shock when compared to lumbar lesions (P = 0.03). Fibrocartilaginous embolism was the most commonly diagnosed etiology (7 of 17 dogs), and was more common in the thoracic spine compared to in the lumbar spine (P = 0.10). Six of 17 dogs (35%) were diagnosed with intervertebral disk herniation; 4 of 17 dogs (24%) with suspected acute noncompressive nucleus pulposus extrusion. Two dogs were lost to follow-up. Fourteen of 15 (93%) dogs had improved or normal reflexes by 60 days post injury. CONCLUSIONS: Although the prevalence of spinal shock was low, it should be considered in any dog presenting with an acute history of thoracolumbar spinal injury with reduced or absent reflexes in the pelvic limbs. The presence of spinal shock should not dissuade a veterinarian from pursuing appropriate diagnostic testing and therapy for the underlying etiology. SN - 1476-4431 UR - https://www.unboundmedicine.com/medline/citation/26676985/Prevalence,_clinical_presentation,_prognosis,_and_outcome_of_17_dogs_with_spinal_shock_and_acute_thoracolumbar_spinal_cord_disease L2 - https://doi.org/10.1111/vec.12438 DB - PRIME DP - Unbound Medicine ER -