Related Experiment Video
Updated: Feb 7, 2026

10:41
Analysis of Cerebral Vasospasm in a Murine Model of Subarachnoid Hemorrhage with High Frequency Transcranial Duplex Ultrasound
Published on: June 3, 2021
4.2K
Cerebral blood measurements in vasospasm
1Department of Neurosurgery, Presbyterian-University Hospital, Pittsburgh, Pennsylvania.
Neurosurgery Clinics of North America
|April 1, 1990
Summary
New cerebral blood flow (CBF) technologies aid in managing subarachnoid hemorrhage by diagnosing ischemia and guiding treatment timing. These advancements offer hope for reducing vasospasm-related complications.
Area of Science:
- Neurology
- Neurosurgery
- Critical Care Medicine
Background:
- Vasospasm is a significant cause of death and disability after subarachnoid hemorrhage.
- Early detection and management of vasospasm are crucial for patient outcomes.
Purpose of the Study:
- To explore the role of cerebral blood flow (CBF) technologies in managing subarachnoid hemorrhage.
- To assess how CBF measurements can improve diagnosis and treatment decisions.
Main Methods:
- Review of current CBF technologies and their application in subarachnoid hemorrhage.
- Analysis of how CBF data informs the diagnosis of ischemia and treatment timing.
Main Results:
- CBF technologies help identify ischemia and its unpredictable patterns.
- CBF measurements assist in determining optimal timing for surgical intervention.
- CBF studies guide decisions on aggressive medical therapies, identifying when they may be harmful.
Conclusions:
- Despite limitations, emerging CBF technologies are vital for managing aneurysmal subarachnoid hemorrhage.
- Improved diagnostic capabilities through CBF monitoring can reduce morbidity and mortality.
- Personalized treatment strategies based on CBF data can enhance patient care.
More Related Videos
Related Concept Videos
Blood Flow
76.0K
Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.
76.0K
Measurement of Blood Pressure
3.2K
Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
3.2K
Equipments Used To Measure Blood Pressure
3.6K
Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
3.6K
Special considerations while measuring blood pressure
1.3K
When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
1.3K
Cerebral Hemispheres
2.5K
The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
2.5K
Composition of Blood
12.4K
The blood in our bodies comprises three major components: blood plasma, formed elements, and the extracellular matrix. Blood plasma is a yellowish fluid that constitutes 55% of the total blood volume. It is primarily made up of water and essential substances such as electrolytes and proteins. Blood plasma serves as a medium for transporting blood cells and also contains nutrients, enzymes, hormones, antibodies, and gases.
Formed elements constitute the remaining 45% of the blood volume. These...
Formed elements constitute the remaining 45% of the blood volume. These...
12.4K

