Why the study?
Do interactive real-time spiral gradient-echo and radial steady-state free precession sequences accurately assess left ventricular function compared to standard MR imaging in patients?
Do interactive real-time spiral gradient-echo and radial steady-state free precession sequences accurately assess left ventricular function compared to standard MR imaging in patients?
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Interactive real-time radial steady-state free precession imaging provides an accurate, breath-hold-free, and non-ECG-triggered alternative for assessing left ventricular volumes.
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.
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Spuentrup et al. (2003) studied this question.
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