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Related Experiment Video

Updated: Jun 23, 2025

Contrast Enhanced Ultrasound Imaging for Assessment of Spinal Cord Blood Flow in Experimental Spinal Cord Injury
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Microbubble Contrast-Enhanced Transcutaneous Ultrasound Enables Real-Time Spinal Cord Perfusion Monitoring Following

Owen P Leary1, Elias A Shaaya1, Alexander A Chernysh1

  • 1Department of Neurosurgery, Warren Alpert Medical School, Brown University, Providence, Rhode Island, USA.

World Neurosurgery
|June 20, 2024
PubMed
Summary
This summary is machine-generated.

Contrast-enhanced ultrasound (CEUS) enables real-time spinal cord perfusion monitoring in patients with prior cervical laminectomies. This technique shows promise for improving acute spinal cord injury (SCI) management by personalizing treatments based on perfusion data.

Keywords:
LaminectomyPerfusionSpinal cord injuryUltrasound

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Area of Science:

  • Neurosurgery
  • Medical Imaging
  • Vascular Physiology

Background:

  • Ultrasound is accessible and portable.
  • Real-time spinal cord perfusion monitoring is needed for acute spinal cord injury (SCI) management.
  • No prior human studies demonstrated real-time spinal cord perfusion monitoring.

Purpose of the Study:

  • To assess the feasibility of real-time transcutaneous spinal cord perfusion monitoring.
  • To evaluate contrast-enhanced ultrasound (CEUS) for this application.

Main Methods:

  • Prospective feasibility study with 4 adult patients post-cervical laminectomy.
  • Two patients received noncontrast ultrasound; two received CEUS with microbubble contrast.
  • Spinal cord perfusion was assessed using ultrasound imaging.

Main Results:

  • Noncontrast ultrasound visualized spinal structures but not intramedullary perfusion.
  • CEUS allowed quantification of differential spinal cord perfusion and hemodynamic parameters.
  • Time-intensity curves and area under the curve measured perfusion.

Conclusions:

  • CEUS is a viable method for real-time spinal cord perfusion monitoring in patients with prior cervical laminectomies.
  • This technology could personalize acute SCI treatment by guiding mean arterial pressure targets.