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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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Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
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Published on: August 28, 2018

Coronary CT angiography.

U Joseph Schoepf1, Peter L Zwerner, Giancarlo Savino

  • 1Department of Radiology, Medical University of South Carolina, 169 Ashley Ave, Charleston, SC 29425, USA. schoepf@musc.edu

Radiology
|May 15, 2007
PubMed
Summary

Computed tomography (CT) coronary angiography is now a clinical tool, offering an alternative to invasive cardiac catheterization for select patients. This guide details performing CT coronary angiography, from patient selection to reporting.

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Area of Science:

  • Cardiovascular imaging
  • Radiology
  • Medical technology

Background:

  • Computed tomography (CT) of the heart has advanced from research to clinical practice.
  • CT coronary angiography presents unique technical challenges due to cardiac motion.
  • Continuous advancements necessitate protocol adaptations for optimal imaging.

Purpose of the Study:

  • To provide a comprehensive manual for performing CT coronary angiography.
  • To guide clinicians in utilizing CT coronary angiography as a viable alternative to invasive procedures.
  • To detail best practices for patient selection, imaging acquisition, and analysis.

Main Methods:

  • Step-by-step approach to coronary CT angiography.
  • Considerations for patient selection, medication, and radiation protection.
  • Guidance on contrast enhancement, acquisition/reconstruction parameters, and image analysis.

Main Results:

  • CT coronary angiography is a mature clinical application for selected patients.
  • Technical challenges are manageable with appropriate knowledge and protocols.
  • Current CT technologies (64-section, dual-source) support routine clinical use.

Conclusions:

  • CT coronary angiography is poised to replace invasive cardiac catheterization in specific patient groups.
  • This manual offers practical recommendations based on extensive experience with evolving CT technology.
  • The technique is ready for integration into routine clinical practice.