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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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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Atherosclerosis is a progressive disorder that leads to the thickening and narrowing of arterial walls due to plaque buildup. This condition can cause various symptoms depending on the arteries affected:Coronary Artery Disease (CAD): This condition affects the coronary arteries and may lead to chest pain (angina), shortness of breath (dyspnea), heart attacks, and other heart disease symptoms.Cerebrovascular Disease: This affects blood flow to the brain, causing transient ischemic attacks (TIAs)...
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The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...

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Optical Coherence Tomography Based Biomechanical Fluid-Structure Interaction Analysis of Coronary Atherosclerosis Progression
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Plaque and thrombus evaluation by optical coherence tomography.

Takashi Kubo1, Chenyang Xu, Zhao Wang

  • 1Department of Cardiovascular Medicine, Wakayama Medical University, Wakayama, Japan.

The International Journal of Cardiovascular Imaging
|February 22, 2011
PubMed
Summary

Optical Coherence Tomography (OCT) provides high-resolution imaging for characterizing vessel walls and thrombus. This review highlights OCT

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Evaluation of Capillary and Other Vessel Contribution to Macular Perfusion Density Measured with Optical Coherence Tomography Angiography
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Evaluation of Capillary and Other Vessel Contribution to Macular Perfusion Density Measured with Optical Coherence Tomography Angiography

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Area of Science:

  • Cardiovascular Imaging
  • Biomedical Optics
  • Medical Device Technology

Background:

  • Intravascular Optical Coherence Tomography (OCT) is an advanced imaging technique for assessing arterial structures.
  • Characterizing vessel walls and thrombus is crucial for understanding cardiovascular disease progression.
  • Existing imaging modalities have limitations in visualizing plaque composition and calcification.

Purpose of the Study:

  • To review the utility of intravascular OCT in characterizing vessel walls and thrombus.
  • To discuss the advantages of OCT in evaluating vulnerable plaque and quantifying calcium.
  • To explore validation methods, potential pitfalls, and future directions in OCT imaging for cardiovascular applications.

Main Methods:

  • Review of existing literature on intravascular Optical Coherence Tomography applications.
  • Analysis of OCT's capabilities in high-resolution arterial wall imaging and tissue characterization.
  • Evaluation of OCT's performance in volumetric calcium quantification compared to other modalities.

Main Results:

  • Intravascular OCT offers high-resolution imaging for detailed vessel wall and thrombus characterization.
  • OCT excels in identifying vulnerable plaques and accurately quantifying calcified lesions.
  • Light penetration in OCT allows imaging through calcified plaques, a limitation for ultrasound.

Conclusions:

  • Intravascular OCT is a valuable imaging modality for cardiovascular diagnostics, particularly for plaque and thrombus evaluation.
  • OCT's ability to penetrate calcified plaques and quantify calcium volumes enhances its diagnostic utility.
  • Further research into validation methods and novel approaches will advance the clinical application of OCT.