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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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Infarct characterization using CT.

Ludovico La Grutta1, Patrizia Toia1, Erica Maffei2

  • 1Department of Radiology, DIBIMED, University of Palermo, Palermo, Italy.

Cardiovascular Diagnosis and Therapy
|May 26, 2017
PubMed
Summary
This summary is machine-generated.

Cardiac computed tomography (CCT) and cardiac MRI (CMR) can evaluate myocardial infarction (MI) and tissue viability. Both imaging modalities show similar findings due to contrast media kinetics, aiding in MI assessment.

Keywords:
Atherosclerosiscardiovascular diseasecomputed tomographycoronary arteriesmyocardial infarction (MI)

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Area of Science:

  • Cardiovascular Imaging
  • Radiology
  • Medical Diagnostics

Background:

  • Myocardial infarction (MI) remains a leading cause of global mortality and morbidity.
  • Increasing global incidence is driven by aging populations and lifestyle factors.
  • Advanced imaging is crucial for evaluating MI and assessing myocardial viability.

Purpose of the Study:

  • To explore the utility of cardiac computed tomography (CCT) and cardiac magnetic resonance (CMR) in characterizing MI.
  • To compare the imaging findings of CCT and CMR in MI assessment.
  • To highlight the role of advanced imaging in functional applications beyond coronary plaque evaluation.

Main Methods:

  • Utilizing cardiac computed tomography (CCT) and cardiac magnetic resonance (CMR) for MI evaluation.
  • Analyzing contrast media kinetics and tissue distribution in both CCT and CMR.
  • Assessing perfusion defects, dynamic perfusion, and delayed enhancement (DE) patterns.

Main Results:

  • CCT and CMR exhibit overlapping imaging findings in MI characterization.
  • Similar kinetics and tissue distribution of iodinated and gadolinium contrast media contribute to comparable results.
  • CCT can detect perfusion deficits and DE, indicating non-viable myocardial territories.

Conclusions:

  • CCT and CMR are valuable tools for evaluating myocardial infarction and viability.
  • The overlapping imaging characteristics of CCT and CMR facilitate MI assessment.
  • Technological advancements enable functional applications of CCT, including perfusion and viability imaging post-MI.