Related Experiment Video
Updated: Aug 24, 2025
11:50
A Standardized Pipeline for Examining Human Cerebellar Grey Matter Morphometry using Structural Magnetic Resonance Imaging
Published on: February 4, 2022
4.1K
Correlation between individual physical characteristics and spinal cerebrospinal fluid volume
Hu Liu1, Hong-Mei Zhou2, Xin-Wei Wu2
1Department of Radiology, The Second Affiliated Hospital of Jiaxing University, Jiaxing, China.
Clinical Anatomy (New York, N.Y.)
|October 22, 2022
Summary
Spinal cerebrospinal fluid (CSF) volume impacts spinal anesthesia spread. Dorso-sacral distance and abdominal girth are key predictors, with longer distances and smaller girths indicating larger CSF volumes.
Area of Science:
- Anesthesiology
- Radiology
- Human Anatomy
Background:
- Spinal cerebrospinal fluid (CSF) volume is crucial for spinal anesthesia spread.
- Direct measurement of CSF volume during anesthesia is not feasible.
- Patient physical characteristics are typically used as surrogates.
Purpose of the Study:
- To investigate the relationship between physical characteristics and thoracosacral CSF volume.
- To establish a theoretical basis for optimizing spinal anesthesia.
- To improve the accuracy of predicting spinal anesthesia spread.
Main Methods:
- 3D magnetic resonance imaging (MRI) used for spinal CSF volume measurement.
- Correlation analysis between physical characteristics and CSF volume.
- Bivariate and multiple linear regression models employed.
Main Results:
- Thoracosacral CSF volume correlated significantly with dorso-sacral distance and height (p < 0.01).
- Abdominal girth did not show a significant correlation in bivariate analysis (p > 0.05).
- Multiple regression indicated dorso-sacral distance and abdominal girth are significant predictors (Adjusted R² = 0.404).
Conclusions:
- Dorso-sacral distance and abdominal girth are essential factors influencing thoracosacral CSF volume.
- A longer dorso-sacral distance and smaller abdominal girth are associated with larger spinal CSF volumes.
- These findings can aid in more accurate spinal anesthesia administration.
More Related Videos
09:19Contrast Enhanced Ultrasound Imaging for Assessment of Spinal Cord Blood Flow in Experimental Spinal Cord Injury
Published on: May 7, 2015
14.1K
10:05Three-Dimensional Imaging of the Vertebral Lymphatic Vasculature and Drainage using iDISCO+ and Light Sheet Fluorescence Microscopy
Published on: May 22, 2020
10.3K
Related Concept Videos
01:21Cerebrospinal Fluid
2.8K
Cerebrospinal fluid (CSF) is a colorless liquid that flows around the brain and the spinal cord, playing a vital role in the protection, support, and overall function of the central nervous system (CNS). CSF production, circulation, and absorption are tightly regulated processes essential for the brain and spinal cord to function properly.
CSF Production
CSF is produced mainly in the choroid plexus, a network of capillaries and ependymal cells located within the ventricular system of the brain....
CSF Production
CSF is produced mainly in the choroid plexus, a network of capillaries and ependymal cells located within the ventricular system of the brain....
2.8K
01:18Anatomy of the Brain: Ventricles
4.8K
There are hollow fluid-filled cavities known as ventricles deep inside the human brain. There are two lateral ventricles, one in each cerebral hemisphere, and each has three different projections — the anterior, inferior, and posterior horns visible from the lateral side. A thin membrane called the septum pellucidum separates the two lateral ventricles. The slender third ventricle in the diencephalon is connected to each lateral ventricle via a channel called the interventricular foramen.
4.8K
01:19Body Water Content and Fluid Compartments
1.1K
Life's biochemical processes occur within aqueous solutions. Solutes are substances that are dissolved within these solutions. The human body contains a variety of solutes, which can differ across various body parts. These can encompass proteins—such as those responsible for clotting and carbohydrate transport—as well as electrolytes. In medicine, an electrolyte is often described as a mineral ion derived from a salt possessing an electric charge. Examples include sodium ions...
1.1K
01:30Biological Influences on Intelligence
184
Intelligence is often thought to be linked to brain size, but the relationship is more complex than that. While brain size does correlate modestly with some abilities, like verbal skills, the connection is weaker for others, such as spatial reasoning. Other factors, like brain structure, also play crucial roles. For instance, despite Einstein's smaller-than-average brain, his parietal cortex, which is involved in spatial reasoning, was 15% wider, suggesting that neural density might matter...
184
01:29Composition of Body Fluids
678
Water functions as a solvent accommodating various solutes, which can be categorized under electrolytes and non-electrolytes. Non-electrolytes are usually held together by covalent bonds, restricting them from dissociating in solution, thereby leading to a lack of electrically charged components upon dissolving in water. They are predominantly organic molecules, such as glucose, creatinine, and urea. Electrolytes, on the other hand, are compounds that can break down into ions in water.
678
02:20Correlations
33.6K
Correlation means that there is a relationship between two or more variables (such as ice cream consumption and crime), but this relationship does not necessarily imply cause and effect. When two variables are correlated, it simply means that as one variable changes, so does the other. We can measure correlation by calculating a statistic known as a correlation coefficient. A correlation coefficient is a number from -1 to +1 that indicates the strength and direction of the relationship between...
33.6K