title: Optimization of coronary whole-heart MRA free-breathing technique at 3 Tesla.
abstract: Four different techniques for 3-T whole-heart coronary magnetic resonance angiography (MRA) using free-breathing three-dimensional segmented parallel imaging and adiabatic T2-preparation were assessed. Coronary MRA at 3 T is improved by shortening the acquisition window more than employing the highest spatial resolution. Double-oblique whole-heart acquisitions result in better overall image quality and allow for better delineation of the left anterior descending coronary artery. It is possible to attain shorter acquisition windows and a smaller voxel size at 3 T than previously reported at 1.5 T.
authors.affiliation: Diagnostic Radiology and NIDDK, NIH, Bethesda, MD 20892, USA. agharib@niddk.nih.gov
authors.forename: Ahmed M
authors.initials: AM
authors.lastname: Gharib
authors.forename: Khaled Z
authors.initials: KZ
authors.lastname: Abd-Elmoniem
authors.forename: Daniel A
authors.initials: DA
authors.lastname: Herzka
authors.forename: Vincent B
authors.initials: VB
authors.lastname: Ho
authors.forename: Julie
authors.initials: J
authors.lastname: Locklin
authors.forename: Efstathia
authors.initials: E
authors.lastname: Tzatha
authors.forename: Matthias
authors.initials: M
authors.lastname: Stuber
authors.forename: Roderic I
authors.initials: RI
authors.lastname: Pettigrew
mesh_terms: D000293:Adolescent; D000328:Adult; D017023:Coronary Angiography / Q000379:methods*; D003331:Coronary Vessels / Q000473:pathology; D005260:Female; D006321:Heart / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000379:methods; D021621:Imaging, Three-Dimensional / Q000379:methods; D018810:Magnetic Resonance Angiography / Q000379:methods*; D008297:Male; D015233:Models, Statistical; D012119:Respiration