Related Experiment Video
Updated: Aug 7, 2026
09:19
Contrast Enhanced Ultrasound Imaging for Assessment of Spinal Cord Blood Flow in Experimental Spinal Cord Injury
Published on: May 7, 2015
Regional spinal cord blood flow in primates
Journal of Neurosurgery
|December 1, 1976
Summary
This study quantifies spinal cord blood flow (SCBF) in primates, revealing distinct regional differences between white and gray matter. Gray matter exhibits higher, more variable flow than homogeneous white matter.
Area of Science:
- Neuroscience
- Physiology
- Cardiovascular Research
Background:
- Accurate measurement of spinal cord blood flow (SCBF) is crucial for understanding neurological function and disease.
- Previous methods lacked the resolution to differentiate blood flow between spinal cord white and gray matter.
Purpose of the Study:
- To precisely measure SCBF in the primate thoracic spinal cord.
- To delineate regional variations in blood flow within the gray and white matter of the spinal cord.
Main Methods:
- Utilized the 14C-antipyrine autoradiographic technique for high-resolution SCBF measurement.
- Analyzed blood flow in 0.1-sq mm areas of the thoracic spinal cord cross-section.
- Monitored physiological parameters including arterial blood gases, pressure, and core temperature.
Main Results:
- White matter blood flow was uniform, averaging 10.3 ± 0.2 ml/100 gm/min.
- Gray matter blood flow averaged 57.6 ± 2.3 ml/100 gm/min, showing greater variability.
- Lower gray matter flow was observed in dorsal horns, with higher flow in central and anterior horns.
Conclusions:
- Established a reliable method for regional SCBF quantification in primates.
- Demonstrated significant regional heterogeneity in spinal cord blood supply, critical for metabolic and functional studies.
- Provided baseline SCBF data under controlled physiological conditions.
