title: Coronary MR angiography: true FISP imaging improved by prolonging breath holds with preoxygenation in healthy volunteers.
abstract: In 15 healthy volunteers undergoing coronary magnetic resonance (MR) angiography, the breath-hold duration with and without preoxygenation was measured. The effect of preoxygenation on coronary artery imaging was also evaluated. A three-dimensional magnetization-prepared true fast imaging with steady-state precession sequence was employed for coronary MR angiography. All subjects showed an increase in comfortable breath-hold duration with preoxygenation. This extra imaging time allowed coronary artery imaging with increased spatial resolution.
authors.affiliation: Department of Radiology, Northwestern University Medical School, Suite 700, 448 E Ontario St, Chicago, IL 60611, USA.
authors.forename: Richard M
authors.initials: RM
authors.lastname: McCarthy
authors.forename: Steven M
authors.initials: SM
authors.lastname: Shea
authors.forename: Vibhas S
authors.initials: VS
authors.lastname: Deshpande
authors.forename: Jordin D
authors.initials: JD
authors.lastname: Green
authors.forename: F Scott
authors.initials: FS
authors.lastname: Pereles
authors.forename: James C
authors.initials: JC
authors.lastname: Carr
authors.forename: J Paul
authors.initials: JP
authors.lastname: Finn
authors.forename: Debiao
authors.initials: D
authors.lastname: Li
mesh_terms: D000328:Adult; D017023:Coronary Angiography / Q000379:methods*; D005260:Female; D006801:Humans; D018810:Magnetic Resonance Angiography; D008297:Male; D008875:Middle Aged; D010100:Oxygen / Q000008:administration & dosage*; D012119:Respiration; D013997:Time Factors
chemical_list: D010100:Oxygen