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Related Experiment Videos

[Epidural cooling for thoracoabdominal aortic surgery].

Koichi Nakazawa1, Satoshi Tohyama, Akio Masuda

  • 1Department of Anesthesiology and Critical Care Medicine, Tokyo Medical and Dental University, Tokyo 113-8519.

Masui. the Japanese Journal of Anesthesiology
|September 17, 2002
PubMed
Summary

Epidural cooling significantly reduced spinal cord injury during thoracoabdominal aortic surgery. This method, maintaining spinal cord temperature, prevented paraplegia in all treated patients, unlike untreated cases.

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Area of Science:

  • Neurosurgery
  • Cardiovascular Surgery
  • Critical Care Medicine

Context:

  • Thoracoabdominal aortic surgery carries a high risk of spinal cord ischemic injury.
  • Traditional methods have limitations in preventing severe neurological deficits.
  • Epidural cooling offers a potential adjunct for neuroprotection.

Purpose:

  • To evaluate the efficacy of epidural cooling in preventing spinal cord ischemic injury during thoracoabdominal aortic surgery.
  • To compare outcomes between patients who received epidural cooling and those who did not.
  • To assess the role of motor evoked potential monitoring in conjunction with epidural cooling.

Summary:

  • Epidural cooling was implemented in 5 out of 8 thoracoabdominal aortic surgery cases via an epidural catheter at Th 11 x 12 using chilled saline.

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  • Spinal cord temperature was maintained around 28°C.
  • None of the 5 patients receiving epidural cooling experienced paraplegia or paraparesis, while 2 of 3 patients without it developed permanent paraplegia.

    • Impact:

    • Epidural cooling appears to be a safe and effective strategy for preventing spinal cord ischemic injury in this high-risk surgical population.
    • The combination of epidural cooling and motor evoked potential monitoring shows promise for improving patient outcomes.
    • This approach may reduce the incidence of devastating neurological complications following thoracoabdominal aortic repair.