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Diffusion Tensor Magnetic Resonance Imaging in Chronic Spinal Cord Compression
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Post-traumatic syringomyelia: outcome predictors.

Youssef Karam1, Patrick W Hitchon2, Nakhle E Mhanna2

  • 1Neurochirurgien et chirurgien de la colonne, Hôpital de Hull, CSSSG 116, Boulevard Lionel-Émond, Gatineau (Québec) J8Y 1W7, Canada.

Clinical Neurology and Neurosurgery
|July 13, 2014
PubMed
Summary
This summary is machine-generated.

Post-traumatic syringomyelia (PTS) often follows severe spinal cord injuries and is linked to spinal deformity. Surgical interventions, particularly duraplasty and arachnolysis, offer significant symptom improvement in nearly 90% of patients.

Keywords:
DuraplastyPosttraumatic syringomyeliaSpinal cord injurySpinal traumaSyrinx

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Area of Science:

  • Neurosurgery
  • Spinal Cord Injury Research
  • Radiology

Background:

  • Post-traumatic syringomyelia (PTS) is a debilitating condition that can arise after spinal cord injury (SCI).
  • Identifying predisposing factors and optimal management strategies for PTS is crucial for improving patient outcomes.
  • Severe SCI, characterized by significant neurological deficits, may increase the risk of developing PTS.

Purpose of the Study:

  • To determine risk factors associated with the development of post-traumatic syringomyelia (PTS).
  • To evaluate the effectiveness of surgical interventions for managing PTS.
  • To analyze the long-term outcomes of patients undergoing surgical treatment for PTS.

Main Methods:

  • Retrospective cohort study involving 27 patients diagnosed with PTS.
  • Data collection spanned from 1963 to 2008, utilizing medical records and radiological imaging.
  • Analysis included patient demographics, injury characteristics, American Spinal Injuries Association (ASIA) scores, spinal deformity measurements, and surgical outcomes.

Main Results:

  • The majority of patients were male (24/27) with thoracic SCI (21/27) and severe initial neurological deficits (14/27 ASIA A).
  • PTS diagnosis occurred at an average age of 40±13 years, with a mean follow-up of 18±11 years post-injury.
  • Surgical management, particularly duraplasty and arachnolysis, showed a significant correlation with syrinx size reduction and clinical improvement (p<0.001), with nearly 90% experiencing symptom cessation or improvement.

Conclusions:

  • Severe spinal cord injuries, often with significant neurological impairment (ASIA A), are associated with PTS.
  • PTS is frequently linked to substantial spinal deformity and canal stenosis at the injury site.
  • While over half of patients required reoperation, duraplasty and arachnolysis are preferred over shunting alone, leading to positive clinical outcomes in most cases.