Related Experiment Video
Updated: Aug 5, 2026

10:05
Three-Dimensional Imaging of the Vertebral Lymphatic Vasculature and Drainage using iDISCO+ and Light Sheet Fluorescence Microscopy
Published on: May 22, 2020
[Spinal fluid in central nervous system diseases]
Klinicheskaia Laboratornaia Diagnostika
|October 5, 2002
Summary
Biomarkers in cerebrospinal fluid, including medium mass molecules and catalase activity, can indicate the severity of closed craniocerebral injuries. These markers help assess endogenous intoxication and subarachnoid hemorrhage following trauma.
Area of Science:
- Neuroscience
- Biochemistry
- Trauma Research
Context:
- Closed craniocerebral injury (CCI) presents diagnostic challenges, particularly in assessing severity and prognosis early after trauma.
- Cerebrospinal fluid (CSF) analysis offers a potential window into the pathophysiological changes occurring after head injury.
Purpose:
- To investigate the utility of specific CSF biomarkers in evaluating the severity of closed craniocerebral injury (CCI) 24 hours post-trauma.
- To differentiate between bleeding-associated changes and indicators of endogenous intoxication in CCI patients.
Summary:
- Erythrocytes, extracellular hemoglobin, bilirubin, medium mass molecules (MMM), and catalase activity were measured in the CSF of 32 CCI patients.
- Extracellular hemoglobin and bilirubin levels correlated with bleeding but not overall injury severity at the early stage.
- Significantly increased MMM levels were observed in severe CCI cases, suggesting impaired clearance of proteolytic products and endogenous intoxication.
- Spinal fluid catalase activity emerged as a sensitive indicator of CCI severity and a potential marker for subarachnoid hemorrhage.
Impact:
- Identifies specific CSF biomarkers (MMM and catalase activity) for objective assessment of CCI severity and endogenous intoxication.
- Provides insights into the early pathophysiological changes following head trauma, aiding clinical decision-making.
- Highlights the potential of CSF catalase activity as a reliable marker for subarachnoid hemorrhage in CCI patients.
More Related Videos
Related Concept Videos
The Spinal Cord
The spinal cord is the body’s major nerve tract of the central nervous system, communicating afferent sensory information from the periphery to the brain and efferent motor information from the brain to the body. The human spinal cord extends from the hole at the base of the skull, or foramen magnum, to the level of the first or second lumbar vertebra.
Anatomy of the Brain: Ventricles
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. The...
Cranial and Spinal Meninges
The cranial and spinal meninges are complex protective structures surrounding the central nervous system (CNS), consisting of the brain and spinal cord. These meninges consist of the dura mater, the arachnoid mater, and the pia mater. They protect the CNS, provide structural support, and aid in circulating cerebrospinal fluid (CSF).
Cranial Meninges
These meningeal layers cover the cranium. The dura mater is the outermost layer of cranial meninges. It is a thick and durable membrane of dense...
Cranial Meninges
These meningeal layers cover the cranium. The dura mater is the outermost layer of cranial meninges. It is a thick and durable membrane of dense...
Cerebrospinal Fluid
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.
Cerebral Edema l: Introduction
Cerebral edema is a pathological increase in brain water content that disrupts intracranial pressure regulation and impairs neurological function. Because the cranial vault is rigid, even modest increases in tissue volume can compromise cerebral perfusion, distort neural structures, and initiate secondary injury. Cerebral edema develops through four principal mechanisms: vasogenic, cytotoxic, interstitial, and ionic.Vasogenic EdemaVasogenic edema arises from disruption of the blood–brain...
Cerebral Edema ll: Pathophysiology
Vasogenic edema is a major form of cerebral edema characterized by abnormal accumulation of fluid in the brain’s extracellular space due to disruption of the blood–brain barrier (BBB). The BBB is a specialized structure composed of endothelial cells connected by tight junctions, supported by astrocytic endfeet and a basement membrane. Under normal conditions, it tightly regulates the movement of ions, proteins, and solutes between the bloodstream and brain parenchyma. When this barrier loses...

