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Degenerative lumbosacral stenosis.

L De Risio1, W B Thomas, N J Sharp

  • 1Department of Clinical Sciences, North Carolina State University, Raleigh, USA.

The Veterinary Clinics of North America. Small Animal Practice
|February 19, 2000
PubMed
Summary

Degenerative lumbosacral stenosis in dogs involves nerve impingement due to spinal changes. Diagnosis uses clinical signs and imaging, with decompressive surgery offering effective management for canine patients.

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Area of Science:

  • Veterinary Neurology
  • Canine Orthopedics
  • Comparative Medicine

Background:

  • Degenerative lumbosacral stenosis (DLSS) is a common condition in middle-aged, large-breed dogs, particularly German Shepherds.
  • It results from soft tissue and bony changes in the lumbosacral joint, leading to impingement of the cauda equina nerve roots or vasculature.
  • Clinical signs include lumbosacral pain, pelvic limb lameness, weakness, ataxia, and urinary incontinence.

Purpose of the Study:

  • To review the current understanding and management strategies for degenerative lumbosacral stenosis in dogs.
  • To highlight diagnostic approaches and treatment options for this debilitating condition.

Main Methods:

  • Review of existing literature on degenerative lumbosacral stenosis.
  • Analysis of diagnostic criteria, including clinical presentation and advanced imaging techniques (e.g., MRI, CT).

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  • Evaluation of surgical and non-surgical treatment outcomes.

    • Main Results:

    • Diagnosis relies on a combination of characteristic clinical signs and supportive imaging findings.
    • Decompressive surgery is frequently effective in alleviating clinical signs and improving function in affected dogs.
    • Conservative management may be considered for mild cases, but surgical intervention is often necessary for significant neurological deficits.

    Conclusions:

    • Degenerative lumbosacral stenosis is a significant cause of neurological dysfunction in dogs, requiring accurate diagnosis and timely intervention.
    • Surgical decompression offers a high success rate for managing this condition, improving the quality of life for affected animals.