title: Renal arteries: navigator-gated balanced fast field-echo projection MR angiography with aortic spin labeling: initial experience.
abstract: A cardiac-triggered free-breathing three-dimensional balanced fast field-echo projection magnetic resonance (MR) angiographic sequence with a two-dimensional pencil-beam aortic labeling pulse was developed for the renal arteries. For data acquisition during free breathing in eight healthy adults and seven consecutive patients with renal artery disease, real-time navigator technology was implemented. This technique allows high-spatial-resolution and high-contrast renal MR angiography and visualization of renal artery stenosis without exogenous contrast agent or breath hold. Initial promising results warrant larger clinical studies.
authors.affiliation: Department of Medicine, Cardiovascular Division, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass., USA. spuenti@rad.rwth-aachen.de
authors.forename: Elmar
authors.initials: E
authors.lastname: Spuentrup
authors.forename: Warren J
authors.initials: WJ
authors.lastname: Manning
authors.forename: Peter
authors.initials: P
authors.lastname: Börnert
authors.forename: Kraig V
authors.initials: KV
authors.lastname: Kissinger
authors.forename: René M
authors.initials: RM
authors.lastname: Botnar
authors.forename: Matthias
authors.initials: M
authors.lastname: Stuber
mesh_terms: D000328:Adult; D000368:Aged; D001012:Aorta, Abdominal / Q000473:pathology; D017352:Echo-Planar Imaging / Q000379:methods*; D005260:Female; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000379:methods*; D021621:Imaging, Three-Dimensional / Q000379:methods*; D018810:Magnetic Resonance Angiography / Q000379:methods*; D008297:Male; D008875:Middle Aged; D012016:Reference Values; D012077:Renal Artery / Q000473:pathology*; D012078:Renal Artery Obstruction / Q000175:diagnosis*; D012680:Sensitivity and Specificity