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

Steffen, Frank; Kircher, Patrick R.; Dennler, Matthias

doi:10.2460/javma.244.6.715

Cited by 13 publications

(13 citation statements)

References 24 publications

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“…This is consistent with recent literature suggesting that the most common site of IVDE in the French bulldog is C3–C4 and that the median age of affected French bulldogs is about four years old 1. Regression of an IVDE has been documented at the level of the L3–L4 intervertebral disc space in a three-year-old French bulldog after five weeks of medical management 2. There is also a single recent report of spontaneous regression of a C3–C4 IVDE in a four-year-old cocker spaniel after four months of medical management 3.…”

Section: Discussionsupporting

confidence: 92%

Spontaneous regression of a cervical intervertebral disc extrusion in French bulldogs documented on MRI after medical management

Argent

Fraser²,

Alves

et al. 2019

Vet Record Case Reports

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Spontaneous regression of cervical intervertebral disc extrusion (cIVDE) has been reported in people. It has also been reported in a dog after four months of medical management. Two French bulldogs were presented to two different referral centres for signs of neck pain or myoclonic twitching. Both were diagnosed with cIVDE on MRI and were managed medically. One dog re-presented after six weeks with recurrent signs while it was still being strictly rested. Repeat MRI showed a new disc extrusion with apparent spontaneous regression of the initial cIVDE. The same re-presentation occurred in the second dog with a year intermission. These two cases demonstrate that spontaneous regression of intervertebral disc extrusion is a phenomenon occurring in the cervical spine of dogs. Notably one dog had a new disc extrusion during a period of rest, thus illustrating that further work is needed to understand how best to utilise medical management and crate rest.

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Section: Discussionsupporting

confidence: 92%

Spontaneous regression of a cervical intervertebral disc extrusion in French bulldogs documented on MRI after medical management

Argent

Fraser²,

Alves

et al. 2019

Vet Record Case Reports

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“…by phagocytosis induced during the secondary inflammatory response), thus abrogating the compression (Prata , Steffen et al . , Hong & Ball ).…”

Section: Intervertebral Disc Herniation and Spinal Cord Injurymentioning

confidence: 97%

“…Recovery following conservative management relies on resolution of the acute inflammation in the spinal cord, regeneration of myelin sheaths and the innate plasticity of the central nervous system (CNS) to overcome the effects of tissue loss by adjusting pathways used to perform specific functions (Jeffery & Blakemore 1999a, 1999b, Bareyre et al 2004. It is also possible, and documented in some cases (Steffen et al 2014 ), that herniated nucleus pulposus can be eliminated from the vertebral canal (e.g. by phagocytosis induced during the secondary inflammatory response), thus abrogating the compression (Prata 1981, Steffen et al 2014, Hong & Ball 2016.…”

Section: Conservative Treatmentmentioning

confidence: 99%

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Re‐opening the window on fenestration as a treatment for acute thoracolumbar intervertebral disc herniation in dogs

Freeman

Jeffery

2017

J of Small Animal Practice

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Acute thoracolumbar intervertebral disc herniation in dogs is a common cause of "back" pain, pelvic limb paresis or paralysis and incontinence. Treatment of this condition has long been a source of controversy, especially since the introduction of surgical interventions in the 1950s. Unfortunately, formal clinical trials to compare efficacy of conservative and surgical interventions have never been carried out and the current lack of clinical equipoise on this subject now precludes such a trial on ethical grounds. In this article we re-examine and discuss earlier published data on recovery associated with the various therapies, focusing on evidence suggesting that decompressive surgery and fenestration may be equally efficacious.

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“…Affected dogs typically demonstrate a chronic onset of progressive, but relatively mild clinical signs, such as spinal hyperaesthesia, ambulatory paraparesis and proprioceptive ataxia (Hansen 1951, 1959, Smolders and others 2013). Numerous studies have evaluated IVDE and this type of intervertebral disc disease is well characterised, with outcomes after medical and surgical management extensively reported (Muir and others 1995, Davis and Brown 2002, Ferreira and others 2002, Olby and others 2004, Aikawa and others 2012, Steffen and others 2014). However, very few studies have investigated the clinical characteristics of IVDP, and hence there is little information available to facilitate clinical decision-making and management of client expectations.…”

mentioning

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

Abstract: Findings for the dog of this report indicated spinal cord compression attributable to extruded intervertebral disk material resolved. Functional improvements in dogs with such problems may be partly attributable to spontaneous regression of intervertebral disk extrusions.

Cited by 13 publications

References 24 publications

Spontaneous regression of a cervical intervertebral disc extrusion in French bulldogs documented on MRI after medical management

Spontaneous regression of a cervical intervertebral disc extrusion in French bulldogs documented on MRI after medical management

Re‐opening the window on fenestration as a treatment for acute thoracolumbar intervertebral disc herniation in dogs

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

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