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Related Experiment Videos

Coronary MR angiography.

A J Duerinckx1

  • 1Radiology Service, West Los Angeles Veterans Administration Medical Center, California, USA. ajd@ucla.edu

Radiologic Clinics of North America
|April 13, 1999
PubMed
Summary
This summary is machine-generated.

Coronary MR angiography, using fast imaging sequences since 1991, excels at detecting coronary artery variants and imaging stents/grafts. Further research is needed to establish its role in screening for coronary artery lesions.

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Area of Science:

  • Cardiovascular Imaging
  • Magnetic Resonance Imaging

Background:

  • Coronary MR angiography (MRA) emerged in 1991 with advanced fast MR imaging sequences.
  • Despite ongoing development, its role in screening for coronary artery lesions remains under investigation.

Purpose of the Study:

  • To review the evolution of coronary MRA techniques.
  • To highlight initial clinical successes of coronary MRA using commercial scanners.

Main Methods:

  • Utilizes electrocardiogram (EKG)-triggering across various generations of coronary MRA techniques.
  • Employs fast MR imaging sequences, with contrast agents potentially enhancing performance.

Main Results:

  • Coronary MRA demonstrates high success in identifying coronary artery variants.

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  • Effective imaging of coronary stents and bypass grafts is achievable with current techniques.
  • Velocity quantification in native coronary arteries is possible with advanced MR imaging techniques.

    • Conclusions:

    • Coronary MRA has rapidly advanced, showing significant clinical utility beyond lesion screening.
    • The technology's fast development has limited extensive preclinical trials for early-generation sequences.
    • Current commercial scanners facilitate initial clinical applications of these evolving cardiac MR imaging techniques.