Related Experiment Video
Updated: Jul 23, 2025
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Contrast Enhanced Ultrasound Imaging for Assessment of Spinal Cord Blood Flow in Experimental Spinal Cord Injury
Published on: May 7, 2015
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CSF - injected contrast medium enhances post-traumatic spinal cord cysts. An experimental study in rats
G B Telegin1, A S Chernov, E V Malyavina
1Branch of Shemyakin and Ovchinnikov, Institute of Bioorganic Chemistry, Russian Academy of Sciences, Pushchino, Russia. aldospallone@hotmail.com.
European Review for Medical and Pharmacological Sciences
|July 17, 2023
Summary
Intraspinal injection of contrast medium effectively reached and filled post-traumatic cysts in a rat spinal cord injury model. This demonstrates a viable method for delivering therapeutic agents to injury sites, aiding neural regeneration.
Area of Science:
- Neurosurgery
- Regenerative Medicine
- Neuroscience
Background:
- Spinal cord injury (SCI) presents significant neurosurgical challenges.
- Glial scarring and cysts impede axonal regeneration after SCI.
- Cerebrospinal fluid (CSF) delivery offers a potential therapeutic strategy for SCI.
Purpose of the Study:
- Investigate the dynamics of intradural contrast medium delivery.
- Assess contrast medium relocation into post-traumatic cysts.
- Evaluate a novel therapeutic approach for spinal cord injury.
Main Methods:
- Experimental spinal cord cryoinjury model in 32 male Sprague Dawley rats.
- Intradural injection of Omnipaque-240 into cisterna magna or cauda equina.
- Cerebral CT scans to monitor CSF dynamics of the contrast medium.
Main Results:
- Contrast medium accumulated in post-traumatic cysts within five minutes of injection.
- A dosage of 65 mg iodine/kg achieved adequate cyst filling in approximately 30 minutes.
- Demonstrated successful delivery of agents to the injury site via CSF.
Conclusions:
- Intraspinal injection of bioactive agents can effectively reach and fill post-traumatic cysts.
- This method shows promise as a therapeutic protocol for spinal cord injury.
- Facilitates potential for enhanced neural regeneration and recovery after SCI.
