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Related Concept Videos

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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Related Experiment Video

Updated: Jun 12, 2026

In vivo Near Infrared Fluorescence (NIRF) Intravascular Molecular Imaging of Inflammatory Plaque, a Multimodal Approach to Imaging of Atherosclerosis
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Vulnerable plaque imaging-current techniques.

K Chad Hilty1, Daniel H Steinberg

  • 1Cardiology Division, Medical University of South Carolina, 25 Courtenay Drive, ART 7058, Box 592, Charleston, SC 29425, USA.

Journal of Cardiovascular Translational Research
|June 19, 2010
PubMed
Summary
This summary is machine-generated.

Identifying vulnerable plaques is crucial for preventing heart attacks, as these often occur in non-obstructive coronary artery lesions. New imaging techniques help characterize these plaques, improving cardiovascular disease management.

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Area of Science:

  • Cardiology
  • Vascular Biology
  • Medical Imaging

Background:

  • Significant advancements in managing plaque rupture and acute coronary thrombosis have reduced cardiovascular mortality.
  • Acute coronary syndromes, particularly ST-elevation myocardial infarction, remain prevalent, causing substantial morbidity and mortality.
  • These events often arise from non-severely stenotic lesions, highlighting the need to identify "vulnerable plaques".

Purpose of the Study:

  • To review the pathobiology of vulnerable plaque.
  • To discuss current invasive and non-invasive imaging modalities for vulnerable plaque detection and characterization.
  • To explore future applications of vulnerable plaque imaging technologies.

Main Methods:

  • Review of current scientific literature on vulnerable plaque pathobiology.
  • Analysis of invasive imaging techniques (e.g., intravascular ultrasound, optical coherence tomography).
  • Evaluation of non-invasive imaging modalities (e.g., PET, MRI, CT angiography).

Main Results:

  • Vulnerable plaques are characterized by specific features like thin fibrous caps, large lipid cores, and inflammatory cell infiltration.
  • Invasive imaging provides high-resolution, in-situ plaque characterization.
  • Non-invasive imaging offers systemic assessment and potential for early detection.

Conclusions:

  • Identifying vulnerable plaques is key to preventing myocardial infarction.
  • Emerging imaging technologies offer promising tools for characterizing and potentially managing vulnerable plaques.
  • Further research and clinical integration of these technologies are essential for advancing cardiovascular care.