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The human high-risk plaque and its detection by magnetic resonance imaging
1Zena and Michael A. Wiener Cardiovascular Institute, Mount Sinai School of Medicine, New York, New York 10029, USA.
Insights
Magnetic resonance imaging (MRI) offers a noninvasive method to analyze atherosclerotic plaque composition, differentiating vulnerable plaques for improved diagnosis and treatment strategies.
Area of Science:
- Cardiovascular Imaging
- Biomedical Engineering
- Radiology
Background:
- Atherosclerotic disease progression and regression are crucial for understanding cardiovascular health.
- Current imaging techniques primarily assess luminal diameter, wall thickness, or plaque volume.
- Existing methods cannot characterize atherosclerotic plaque composition, hindering identification of high-risk plaques.
Purpose of the Study:
- To introduce high-resolution, multicontrast magnetic resonance imaging (MRI) as a tool for noninvasive plaque characterization.
- To demonstrate MRI's capability in identifying vulnerable plaques and their components.
- To explore the potential of MRI in advancing the diagnosis, prevention, and treatment of atherosclerosis.
Main Methods:
- Utilizing high-resolution, multicontrast magnetic resonance imaging (MRI).
- Noninvasively imaging atherosclerotic vessels.
- Characterizing plaque components including lipid, fibrous tissue, calcium, and thrombus.
Main Results:
- High-resolution, multicontrast MRI can successfully image vulnerable plaques.
- MRI enables noninvasive characterization of plaque composition.
- This technique identifies key plaque components, distinguishing them from standard imaging.
Conclusions:
- Magnetic resonance imaging (MRI) provides a novel, noninvasive approach to assess atherosclerotic plaque composition.
- MRI facilitates the identification of vulnerable plaques, which are critical for risk stratification.
- Application of MRI in atherosclerosis research opens new avenues for diagnosis, prevention, and therapeutic interventions.
Abstract:
The study of atherosclerotic disease during its natural history and after therapeutic intervention will enhance our understanding of the progression and regression of this disease and will aid in selecting the appropriate treatments. Several invasive and noninvasive imaging techniques are available to assess vessels in atherosclerotic disease. Most of the standard techniques, however, identify luminal diameter or stenosis, wall thickness, or plaque volume. None of the standard techniques can characterize the composition of an atherosclerotic plaque and therefore are incapable of identifying the high-risk plaques. High-resolution, multicontrast, magnetic resonance imaging (MRI) can noninvasively image vulnerable plaques and characterize plaques in terms of their different components (ie, lipid, fibrous, calcium, or thrombus). Application of MRI opens up whole new areas for diagnosis, prevention, and treatment of atherosclerosis.