Three-dimensional magnetic resonance angiography of coronary art

Details Three-dimensional magnetic resonance angiography of coronary art Three-dimensional magnetic resonance angiography of coronary art

1998-03-06

1999-12-28

Casler, Brian L.

Surgery

Diagnostic testing

Detecting nuclear, electromagnetic, or ultrasonic radiation

600419, 600509, A61B 5055

Patent

active

060093412

ABSTRACT:
To conduct a three-dimensional MRA study of the coronary arteries, the locations in space of the arteries is determined using a scout MR study. Segments (composed of phase-encoding lines, three-dimensional partitions, or both) are created in the volume of interest, each one relating to a particular coronary artery of interest. MR data relating to each one of the segments are acquired during a single cardiac cycle, and at times when the individual coronary arteries of interest are relatively motionless. Advantageously, a paramagnetic contrast agent is used to increase the MR signal from blood, and the study is conducted during a single breath hold.

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patent: 5477144 (1995-12-01), Rogers
patent: 5692508 (1997-12-01), Simonetti et al.
patent: 5857970 (1999-01-01), Purdy

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