Contrast-enhanced 3D MR angiography with simultaneous acquisition of spatial harmonics: A pilot study.
A partially parallel image acquisition technique, simultaneous acquisition of spatial harmonics, or SMASH, was used to increase the spatial and/or temporal resolution in contrast material-enhanced three-dimensional magnetic resonance angiography of the abdominal aorta and renal arteries. In eight healthy subjects, the breath-hold duration was halved at constant spatial resolution, or the spatial resolution was doubled at fixed breath-hold duration, with a 30%-55% reduction in the signal-to-noise ratio but otherwise preserved or improved image quality.
Sodickson
D K
DK
Departments of Medicine, Cardiovascular Division, and Radiology, Beth Israel Deaconess Medical Center, Boston, Mass, USA. dsodicks@caregroup.harvard.edu
McKenzie
C A
CA
Li
W
W
Wolff
S
S
Manning
W J
WJ
Edelman
R R
RR
D000328:Adult; D001012:Aorta, Abdominal; D003287:Contrast Media; D005260:Female; D019786:Gadolinium DTPA; D006801:Humans; D007091:Image Processing, Computer-Assisted; D018810:Magnetic Resonance Angiography / Q000379:methods*; D008297:Male; D010865:Pilot Projects; D012077:Renal Artery
D003287:Contrast Media; D019786:Gadolinium DTPA