期刊
RADIOLOGY
卷 227, 期 3, 页码 870-876出版社
RADIOLOGICAL SOC NORTH AMERICA
DOI: 10.1148/radiol.2273020303
关键词
hearth, ventricles; magnetic resonance (MR), cine study; magnetic resonance (MR), functional imaging; magnetic resonance (MR), volume measurement; myocardium, MR
An interactive real-time spiral gradient-echo and an interactive real-time radial steady-state free precession sequence were investigated for the quantitative assessment of left ventricular function. Data were acquired in 18 patients without electrocardiographic triggering and breath holding. With the interactive real-time spiral gradient-echo sequence, significant underestimation of endocardial and epicardial volumes was demonstrated; with the interactive real-time radial steady-state free precession sequence, excellent agreement was shown with standard cardiac-triggered segmented k-space breath-hold steady-state free precession MR imaging. Interactive real-time radial steady-state free precession imaging allows accurate quantitative assessment of left ventricular volumes. (C) RSNA, 2003.
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