Evolution of clinical signs and predictors of outcome after conservative medical treatment for disk-associated cervical spondylomyelopathy in dogs

Decker, Steven De; Gielen, Ingrid; Duchateau, Luc; Oevermann, Anna; Polis, Ingeborgh; Soens, Iris Van; Bree, Henri J. J. van; Ham, Luc M. L. Van

doi:10.2460/javma.240.7.848

Cited by 27 publications

(45 citation statements)

References 58 publications

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“…7,15 Results of repeated MRI examinations performed after conservative treatment of dogs with intervertebral diskassociated cervical spondylomyelopathy (ie, Hansen type 2 intervertebral disk disease) indicate protruding disk material does not decrease in size. 16,17 Those findings are similar to findings for humans with subligamentous intervertebral disk protrusion. Subligamentous disk protrusions in humans have histologic features similar to those for Hansen type 2 intervertebral disk disease in dogs.…”

Section: Discussionsupporting

confidence: 88%

Spontaneous regression of lumbar Hansen type 1 disk extrusion detected with magnetic resonance imaging in a dog

Steffen

Kircher

Dennler

2014

javma

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Section: Discussionsupporting

confidence: 88%

Spontaneous regression of lumbar Hansen type 1 disk extrusion detected with magnetic resonance imaging in a dog

Steffen

Kircher

Dennler

2014

javma

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“…Thoracolumbar IVDP is often associated with multiple sites of spinal cord compression and hence deterioration of neurological status could have been caused by development or progression of compressive IVDPs at adjacent intervertebral disc spaces. This hypothesis is similar to the development of adjacent segment disease, which has been reported after lumbar fusion in human medicine (Hilibrand and Robbins 2004, Radcliff and others 2014), and with medical management of dogs with disc-associated cervical spondylomyelopathy (De Decker and others 2012). Alternatively, deterioration may be caused by progressive herniation of the initially affected intervertebral disc.…”

Section: Discussionsupporting

confidence: 77%

“…Measurements were made on T2-weighted images in the transverse plane. The remaining spinal cord area was defined as the cross-sectional area of the compressed spinal cord segment divided by the cross-sectional area at the adjacent, non-compressed spinal cord segment, typically overlying the cranial or caudal vertebral body adjacent to the affected disc space (De Decker and others 2012). In dogs with multiple sites of spinal cord compression, the remaining spinal cord area was determined at the site where ISI changes were present or, if no ISI changes were present, at the site with subjectively the highest degree of spinal cord compression.…”

Section: Methodsmentioning

confidence: 99%

Clinical presentation and outcome of dogs treated medically or surgically for thoracolumbar intervertebral disc protrusion

Decker

2017

Veterinary Record

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To date, few studies have investigated the clinical characteristics of thoracolumbar intervertebral disc protrusion (IVDP). The aim of this retrospective study was to evaluate the presentation and outcome of dogs receiving medical or surgical treatment for thoracolumbar IVDP. Eighty-four dogs were included, with a median age of 9.4 years. German shepherd dogs and Staffordshire bull terriers were the most common breeds. Significantly more surgically treated dogs (n=53) had neurological deficits and were non-ambulatory, compared with medically treated (n=31). Outcome data were available for 27 of 31 medically managed dogs; 11 initially improved, 7 remained stable and 9 deteriorated. Of 18 dogs that initially improved or stabilised, 10 (55.6 per cent) demonstrated recurrence of clinical signs within 12 months of diagnosis. Outcome data were available for 45 of 50 surgically treated dogs that survived to hospital discharge; 34 improved, 9 remained stable and 2 deteriorated following surgery. Of 43 dogs that improved or stabilised with surgical treatment, 11 (25.6 per cent) demonstrated recurrence of clinical signs within 12 months of surgery. Overall, significantly more surgically treated dogs (71.1 per cent) had a successful outcome, consisting of sustained clinical improvement of more than 12 months duration, compared with medically treated dogs (29.6 per cent).

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“…Pode haver o surgimento repentino dos sinais que, algumas vezes, se prolongam por alguns dias ou até mesmo perdurar como sequela, a depender da área lesionada e do tempo em que a injúria persiste. Déficits proprioceptivos e claudicação (De Decker et al 2012) são consequências comuns.…”

Section: Introductionunclassified

Diagnóstico de alterações neurológicas compressivas da medula espinal de cães com o uso da Tomografia Computadorizada (TC) Helicoidal

et al. 2014

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Pesq. Vet. Bras. 34(6):569-575, junho 2014 569 RESUMO.-Alterações neurológicas em cães são comuns na rotina da clínica médica, sendo necessário identificar o sítio de lesão quando da ocorrência de neuropatias por compressão em estruturas do Sistema Nervoso Central (SNC). O objetivo deste trabalho foi realizar um estudo epidemiológico das alterações neurológicas compressivas em medula espinal de cães domiciliados em Salvador e região metropolitana: Discopatias, Neoplasias e Traumas identificadas através da Tomografia Computadorizada (TC). Foram avaliados 17 cães de diversas raças com idade entre 2 e 10 anos e de ambos os sexos, atendidos na rotina de dois serviços médicos-veterinários e encaminhados para realização do exame conforme indicação clínica. Imagens em cortes com espessura variando de 0,5 a 2mm em rotação foram produzidas com o Tomógrafo. Dos animais que apresentaram discopatia 12/17 (70,58%), por mielopatia extradural 6/12 (50 %), foram da raça Dachshund com idade média 7,33±1,97 anos e para todos os outros a ocorrência foi pontual; 23,53 % de osteopatias vertebrais, neoplasias ósseas e fraturas, e 5,89% correspondente a neoplasia de medula. Neurological disorders in dogs are common in veterinary medical practice routine, being necessary to identify the site of injury in the event of compression on structures of the central nervous system (CNS). The aim of this work was an epidemiological study of neurological changes in compressive spinal cord of pet dogs in Salvador and the metropolitan area. Discopathies, neoplasms and trauma were identified by Computed Tomography (CT). We evaluated 17 dogs of various breeds, aged between 2 and 10 years old and of both sexes, from two veterinary medical routine services and forwarded to the examination as clinically indicated. Slice images with a thickness ranging from 0.5 to 2mm were produced in rotation with the tomograph. Animals that showed disc disease (70.58%) for extradural myelopathy 6/12 (50%) were the breed Dachshund, mean age 7.33±1.97 years and for all other occurrence was timely; 23.53% of vertebral bone disease, bone tumors and fractures, and 5.89% corresponding to neoplasm marrow. There was a higher incidence of injuries segments L2-L3 (25%), followed by C4-C6 (16.67%), T12-T13 (16.67%), L7-S1 (16.67%) of cases. Diagnóstico de alterações neurológicas compressivas da medulaINDEX TERMS: Diagnostic imaging, canine, central nervous system, intervertebral disc disease, spinal cord neoplasm, bone fracture.

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Evolution of clinical signs and predictors of outcome after conservative medical treatment for disk-associated cervical spondylomyelopathy in dogs

Cited by 27 publications

References 58 publications

Spontaneous regression of lumbar Hansen type 1 disk extrusion detected with magnetic resonance imaging in a dog

Spontaneous regression of lumbar Hansen type 1 disk extrusion detected with magnetic resonance imaging in a dog

Clinical presentation and outcome of dogs treated medically or surgically for thoracolumbar intervertebral disc protrusion

Diagnóstico de alterações neurológicas compressivas da medula espinal de cães com o uso da Tomografia Computadorizada (TC) Helicoidal

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