Artery Visualization
Artery Visualization - Related Videos
07:43
Utilizing a Cranial Window to Visualize the Middle Cerebral Artery During Endothelin-1 Induced Middle Cerebral Artery Occlusion
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Cited by 4 •
2013
This article describes a method for visualizing rat cerebral arteries through a cranial window using temporal craniectomy in order to view proximal portions of the middle cerebral artery (Figure 1). This versatile method can be combined with various techniques of drug delivery to measure cerebral artery reactivity in vivo.
06:57
Arterial Line Placement
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2023
Source: Sharon Bord, MD, Department of Emergency Medicine, The Johns Hopkins University School of Medicine, Maryland, USA When monitoring patients, it is important to obtain values that are accurate and reliable. Blood pressure monitoring is one of the essential vital signs, and for a majority of patients, measuring it utilizing non-invasive techniques provides accurate values. However, there are situations in which the blood pressure requires more exact, specific, and reliable measurements.
01:14
Dark Blood Magnetic Resonance Imaging for Visualizing Inflamed Intracranial Arteries
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2025
Start with a human patient with cerebral vasculitis, which causes inflammation and increased permeability of blood vessels in the brain.Place the patient's head inside the radiofrequency, or RF, coil of a magnetic resonance imaging, or MRI, machine.Initiate magnetic resonance angiography, or MRA, which uses RF pulses to image blood flow.Protons in flowing blood generate strong signals, making blood vessels appear bright, while weak signals from stationary tissues result in a dark...
13:10
Direct Re-implantation of Left Coronary Artery into the Aorta in Adults with Anomalous Origin of Left Coronary Artery from the Pulmonary Artery (ALCAPA)
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Cited by 7 •
2017
Surgical correction of ALCAPA is highly recommended, regardless of age or the degree of intercoronary collateralization. This protocol presents a technique for the direct re-implantation of adult-type ALCAPA into the aorta to re-establish the dual-coronary perfusion. Whenever feasible, direct re-implantation is preferred to other surgical correction techniques.
10:02
Visualization and Analysis of Pharyngeal Arch Arteries using Whole-mount Immunohistochemistry and 3D Reconstruction
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Cited by 15 •
2020
Here, we describe a protocol to visualize and analyze the pharyngeal arch arteries 3, 4, and 6 of mouse embryos using whole-mount immunofluorescence, tissue clearing, confocal microscopy, and 3D reconstruction.
FAQs
Each modality emphasizes a different measurable contrast. Contrast-enhanced X-ray imaging uses an agent to make the vessel lumen more distinct from surrounding tissue, whereas ultrasound uses Doppler frequency shifts in reflected sound to estimate blood flow. Magnetic resonance imaging provides another approach for examining vascular structure and related changes. Comparing these signals helps match a method to the research question.
Artery visualization provides complementary readouts: lumen appearance addresses structural openness, while Doppler-derived measurements address movement of blood. These readouts are related but not interchangeable, because a structural map does not itself provide a flow estimate, and a flow estimate does not replace a view of vessel form. Considering both gives a fuller assessment of vascular function.
Vascular inflammation can be studied as a measurable change in the vessel environment rather than only as an immune-cell process. Artery visualization can reveal altered perfusion and vascular changes that may influence immune-cell trafficking, the movement of immune cells through tissues. In infection research, these measurements help connect immune mechanisms with tissue blood supply and identify vascular effects associated with disease.
Method selection follows the feature being examined. A study may use contrast-enhanced X-ray imaging when a distinct lumen is needed, Doppler ultrasound when estimating flow is central, or magnetic resonance imaging to examine vascular changes through a different imaging approach. Contrast agents are relevant when improving lumen distinction is necessary. The resulting images or measurements can then be interpreted for structure, openness, and flow.
In immunology and infection research, artery visualization provides a bridge between cellular mechanisms and organ-level vascular findings. Investigators can examine whether inflammation is accompanied by altered perfusion, whether infection-related changes affect vascular injury, and how those changes relate to immune-cell trafficking. This makes imaging useful for placing immune activity within the physical blood-supply context of affected tissue.
These studies can support more than anatomical description. Measurements of vascular structure, openness, and flow can be used to characterize vascular inflammation, altered perfusion, and vascular injury, while comparisons made during treatment evaluation can indicate whether vascular findings change with the intervention. The outcome is a measurable framework for relating disease processes or treatment responses to blood-supply changes.