Canine Lumbosacral Stenosis Management Techniques
Summary
Management of canine lumbosacral stenosis encompasses a spectrum of conservative and surgical approaches aimed at alleviating neural compression at the L7–S1 junction. Conservative measures include weight management, targeted physiotherapy, anti-inflammatory medication and exercise modification, directed at mitigating pain and delaying progression. Surgical intervention remains the definitive option for dogs with severe or refractory signs and may involve decompressive techniques such as dorsal laminectomy or foraminotomy to relieve pressure on nerve roots. Stabilisation strategies have evolved to include pedicle screw–rod constructs, dorsal locking plates, polymethylmethacrylate augmentation and facet screw–based systems to maintain spinal alignment and promote long-term stability. Advances in preoperative planning now harness computed tomography to quantify articular process displacement and guide decision-making. The advent of three-dimensional printing has enabled patient-specific drill and screw guides, enhancing the precision of implant placement. Collectively, these techniques reflect an increasingly tailored approach that balances biomechanical stability with minimising iatrogenic trauma, underscoring the global significance of optimised treatment algorithms for veterinary patients.
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Canine Lumbosacral Stenosis Management Techniques publication trend
The graph below shows the total number of articles in canine lumbosacral stenosis management techniques across all publications each year (not limited to Nature Index journals).
Technical terms
Dorsal laminectomy: Surgical removal of the dorsal vertebral arch to decompress the spinal canal.
Pedicle screw–rod fixation: Internal stabilisation technique employing screws anchored in vertebral pedicles connected by rods.
Facet screw: Screw placed across the articular processes to restrict motion and provide stability.
Polymethylmethacrylate (PMMA): Acrylic bone cement used to augment implants and fill voids for additional support.
Computed tomography (CT): Cross-sectional imaging modality used for detailed assessment of bony structures.
Articular process displacement: Lateral or angular shift of the vertebral articular facets associated with stenosis.
Three-dimensional printing: Additive manufacturing technique for creating patient-specific surgical guides and implants.
References
- Preliminary evaluation of a novel method for computed tomography quantification of lumbosacral articular process displacement in dogs with and without degenerative lumbosacral stenosis. Frontiers in Veterinary Science (2024).
- Enhancing the Accuracy of Pedicle Screw Placement Using 3D-Printed Screw-Guiding Techniques in the Lumbosacral Region for Small Breed Dogs: A Cadaveric Study. Animals (2024).
- Accuracy and Efficacy of a Patient-Specific Drill Guide Template System for Lumbosacral Junction Fixation in Medium and Small Dogs: Cadaveric Study and Clinical Cases. Frontiers in Veterinary Science (2020).
- In vitro biomechanical evaluation of internal fixation techniques on the canine lumbosacral junction. PeerJ (2015).
- Pedicle screw-rod fixation: a feasible treatment for dogs with severe degenerative lumbosacral stenosis. BMC Veterinary Research (2015).
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