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Fast Spiral Coronary Artery Imaging

Magnetic Resonance in Medicine · 1992 · Vol. 28(2) · pp. 202–213

Craig H. Meyer✉(Stanford University)Bob S. Hu(Stanford University)Dwight G. Nishimura(Stanford University)Albert Macovski(Stanford University)

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Abstract

A flow-independent method for imaging the coronary arteries within a breath-hold on a standard whole-body MR imager was developed. The technique is based on interleaved spiral k-space scanning and forms a cardiac-gated image in 20 heartbeats. The spiral readouts have good flow properties and generate minimal flow artifacts. The oblique slices are positioned so that the arteries are in the plane and so that the chamber blood does not obscure the arteries. Fat suppression by a spectral-spatial pulse improves the visualization of the arteries.

Advanced MRI Techniques and Applications Cardiac Imaging and Diagnostics Atomic and Subatomic Physics ResearchSpiral (railway)Coronary arteriesBlood flowArteryMedicineMagnetic resonance imagingBiomedical engineeringRadiologyCardiologyMathematics

MeSH terms

Adipose TissueAlgorithmsCoronary DiseaseCoronary VesselsDiastoleHumansImage EnhancementMagnetic Resonance ImagingRheologyRotationArtifactsEcho-Planar Imaging