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Updated: Jan 21, 2026
07:59
A Radio-telemetric System to Monitor Cardiovascular Function in Rats with Spinal Cord Transection and Embryonic Neural Stem Cell Grafts
Published on: October 7, 2014
10.9K
In Vivo Telemetry to Record Long-Term Cardiovascular Parameters, Temperature, and Activity in Spinal Cord Injury Rat
Sajeev Kaur1, Anna M Baur2, Jillian A Condrey3
1Spinal Cord & Brain Injury Research Center, College of Medicine, University of Kentucky; Department of Physiology, College of Medicine, University of Kentucky; sajeev.kaur@uky.edu.
Journal of Visualized Experiments : Jove
|January 19, 2026
Summary
Higher-level spinal cord injury (SCI) disrupts autonomic function, causing cardiovascular and temperature changes. Telemetric implants effectively monitor these physiological disruptions in rats, aiding in treatment evaluation.
Area of Science:
- Neuroscience
- Physiology
- Biomedical Engineering
Background:
- Higher-level spinal cord injury (SCI) above T6 impairs autonomic nervous system function.
- This disruption leads to secondary complications like blood pressure, heart rate, and temperature dysregulation.
- Assessing these physiological changes is crucial for understanding SCI pathophysiology.
Purpose of the Study:
- To outline a detailed methodology for telemetric implant placement in the descending aorta of rats.
- To describe continuous telemetry recording following high thoracic spinal cord injury (T3 SCI).
- To discuss challenges and troubleshooting for this experimental approach.
Main Methods:
- Telemetric implants were placed in the descending aorta of rats using mono-occlusion.
- Continuous, long-term recordings of cardiovascular parameters, body temperature, and activity were performed.
- Data acquisition utilized Ponemah software for analysis of pre- and post-injury recordings.
Main Results:
- Rats with T3 SCI exhibited significant cardiovascular, temperature, and activity abnormalities.
- Telemetric implants provided robust, continuous data for quantifying these SCI-induced physiological disruptions.
- Day-night variations in cardiovascular function were successfully monitored post-injury.
Conclusions:
- Telemetric implants are effective tools for studying SCI-associated autonomic dysfunction in rats.
- This methodology facilitates the quantification of physiological changes and evaluation of potential therapeutic interventions.
- Understanding these complications is vital for improving SCI patient outcomes.
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