Short‐term and long‐term effects of a minimally invasive transilial vertebral blocking procedure on the lumbosacral morphometry in dogs measured by computed tomography

Müller, Friedrich Max; Schenk, Henning; Forterre, Franck

doi:10.1111/vsu.12623

Cited by 4 publications

(2 citation statements)

References 22 publications

(31 reference statements)

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“…The alternative approach to dorsal or lateral decompression of the LS junction is to provide surgical stabilization to prevent its motion. The simplest method is to use a transilial bar to prevent excessive dorsiflexion (which narrows the intervertebral foramina) 83. Although associated with good results in the initial report, there have been no further study reports; a possible late-term complication is the loss of bone on the spinous process leading to loss of effectiveness.…”

Section: Management Strategiesmentioning

confidence: 99%

<p>Canine Degenerative Lumbosacral Stenosis: Prevalence, Impact And Management Strategies</p>

Worth¹,

Meij²,

Jeffery³

2019

VMRR

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Canine degenerative lumbosacral stenosis (DLSS) is a syndrome of low back pain with or without neurologic dysfunction associated with compression of the cauda equina. Most commonly occurring in medium- to large-breed dogs of middle to older age, German shepherd and working dogs are predisposed. Diagnosis is based on a combination of clinical signs, advanced imaging and ruling out other differential diagnoses. The volume of the intervertebral foramina at the lumbosacral junction is naturally reduced on extension but degenerative changes lead to a more marked reduction that can impinge the L7 nerve roots. Evidence is lacking on which to base decision-making for treatment of dogs with DLSS. However, surgical intervention may be indicated in dogs that do not respond to conservative management, or for dogs in which there is a requirement to work that prevents lifestyle adjustments. Improvements in electrodiagnosis and novel intra-discal treatments may improve the management of DLSS in the future.

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Section: Management Strategiesmentioning

confidence: 99%

<p>Canine Degenerative Lumbosacral Stenosis: Prevalence, Impact And Management Strategies</p>

Worth¹,

Meij²,

Jeffery³

2019

VMRR

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“…2,9 Different techniques have been described for stabilization of the lumbosacral region including the use of pins or screws with polymethylmethacrylate (PMMA), dorsal laminectomy and transarticular facet screws, a distraction-stabilization system (with an intervertebral distraction bolt, connecting rods and polyaxial screws), a minimally invasive transilial vertebral blocking procedure and pedicle screw with rod fixation. 4,9,[13][14][15][16] Safe and accurate screw or pin placement is challenging, as, especially in L7, available bone stock can be limited and safe corridors narrow. The potential risk of iatrogenic damage to nerves, the dural sac and vasculature has been documented during freehand screw insertion in veterinary and human medicine.…”

Section: Introductionmentioning

confidence: 99%

Accuracy of Placement of Pedicle Screws in the Lumbosacral Region of Dogs Using 3D-Printed Patient-Specific Drill Guides

Toni

Oxley

Clarke

et al. 2020

Vet Comp Orthop Traumatol

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Objective The aim of this study was to report the accuracy of pedicle screw placement using three-dimensional (3D)-printed, patient-specific drill guides in the lumbosacral region of dogs. Study Design This was a retrospective study. Thirty-two pedicle screws were placed in five dogs. Medical records were reviewed between November 2015 and November 2018 for dogs showing clinical signs associated with cauda equina syndrome. Inclusion criteria included preoperative magnetic resonance imaging, pre- and postoperative computed tomography (CT) and dorsal stabilization, with pedicle screws placed using 3D-printed, patient-specific drill guides and polymethylmethacrylate. Screw placement was evaluated for medial or lateral breaching on postoperative CT. Results Five dogs met the inclusion criteria. Four had degenerative lumbosacral stenosis and one had discospondylitis. All dogs had failed medical management prior to surgery. Of 32 bicortical pedicle screws placed, 30 were fully contained inside the pedicle and 2 were partially breaching the vertebral canal (less than one-third of the screw diameter). Postoperative CT revealed good alignment of L7-S1 in all planes. Conclusions This technique enabled an accurate and safe placement of pedicle screws in the lumbosacral region of dogs with lumbosacral disease. Three-dimensional, printed patient-specific drill guides are a safe and effective method of placing pedicle screws in dogs with lumbosacral disease.

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Lumbosacral Decompression and Foraminotomy Techniques

1¹,

Beasley²

2023

Advanced Techniques in Canine and Feline Neurosurgery

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Short‐term and long‐term effects of a minimally invasive transilial vertebral blocking procedure on the lumbosacral morphometry in dogs measured by computed tomography

Abstract: MTV may be a valuable minimally invasive option for treatment of dogs with DLSS.

Cited by 4 publications

References 22 publications

<p>Canine Degenerative Lumbosacral Stenosis: Prevalence, Impact And Management Strategies</p>

<p>Canine Degenerative Lumbosacral Stenosis: Prevalence, Impact And Management Strategies</p>

Accuracy of Placement of Pedicle Screws in the Lumbosacral Region of Dogs Using 3D-Printed Patient-Specific Drill Guides

Lumbosacral Decompression and Foraminotomy Techniques

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