Arterial Pressure Measurement
Arterial Pressure Measurement - Related Videos
07:21
Measurement of Pulmonary Artery Pressure in Rats Using Right Heart Catheterization
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2025
The protocol provides a detailed introduction to the experience of using the right heart catheterization method to detect pulmonary artery pressure in rats, which will help to obtain accurate data more efficiently and improve the success rate of the experiment. This method also improves the reproducibility of experiments across different laboratories.
09:31
Noninvasive Blood Pressure Measurement Techniques
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2023
Source: Hamna J. Qureshi and Craig J. Goergen, Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana Here we will highlight the key similarities and differences of noninvasive blood pressure measurement techniques between humans and rodents and examine the engineering principles that govern blood pressure. The principles that govern current cuff technology to acquire systolic and diastolic pressures will also be discussed. Commercially available cuffs that connect...
07:25
Assessing Murine Resistance Artery Function Using Pressure Myography
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Cited by 18 •
2013
In pressure myography, an intact small segment of a vessel is mounted onto two small cannulas and pressurized to a suitable luminal pressure. Here, we describe the method to measure vasorelaxation response of the mouse 3rd order mesenteric arteries in c57 and sGCα1-/- mice using pressure myography.
09:38
Femoral Arterial and Venous Catheterization for Blood Sampling, Drug Administration and Conscious Blood Pressure and Heart Rate Measurements
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Cited by 53 •
2012
Chronic catheterization of blood vessels in the rat is often required for administration of substances, obtain blood sample over a period of time or for direct conscious blood pressure measurements. Femoral arterial catheterization of the rat and corresponding measurements of blood pressure in the conscious animal will be demonstrated.
10:48
Assessing Myogenic Response and Vasoactivity In Resistance Mesenteric Arteries Using Pressure Myography
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Cited by 24 •
2015
Pressure myography is used to assess vasoactivity of small arteries that develop sustained constriction when pressurized. This manuscript provides a detailed protocol to assess in isolated segments of small mesenteric arteries from rats, vasoactivity and the effect of intraluminal pressure on vascular diameter.
FAQs
The cuff’s temporary occlusion creates a controlled change in arterial flow. As pressure is released and blood begins moving again, the resulting pressure changes provide estimates of systolic and diastolic values. Considering both values gives researchers more information about cardiovascular function and tissue perfusion than treating blood pressure as a single measurement.
A cuff-based reading provides an estimate during a measurement episode, whereas an invasive setup uses a fluid-filled catheter linked to a pressure transducer for continuous recording. That distinction matters when researchers need to follow pressure over time rather than obtain an intermittent value, particularly while examining cardiovascular responses to neural activity or an experimental intervention.
These measurements connect cardiovascular state with nervous-system function by indicating conditions relevant to cerebral perfusion and autonomic regulation. In neuroscience experiments, pressure can be examined alongside neural activity or an intervention to determine whether cardiovascular responses accompany changes in brain function. This makes the measurement useful for studying interactions between circulation and the nervous system.
For a cuff-based assessment, researchers place an inflatable cuff so it can temporarily occlude an artery, then monitor pressure changes as flow returns. Those changes are used to estimate systolic and diastolic pressure. The resulting values can then be interpreted in relation to cardiovascular function or tissue perfusion, depending on the experimental question.
Continuous invasive recording shows how arterial pressure changes across an ongoing experiment, rather than limiting observation to a single cuff assessment. A fluid-filled catheter transmits pressure to a transducer, allowing researchers to examine cardiovascular responses during neural activity or experimental interventions. This temporal information can be valuable when pressure changes themselves are part of the research outcome.
In neuroscience, the measurements help researchers assess whether pressure conditions could influence cerebral perfusion and how cardiovascular regulation accompanies neural activity. They also support investigations of brain blood flow, neurovascular coupling, hypertension, and situations in which altered pressure affects nervous-system function. The data therefore provide a cardiovascular context for interpreting neural and vascular findings.