Steady-state free precession imaging
Multiple breath washout of hyperpolarized (129) Xe and (3) He in human lungs with three-dimensional balanced steady-state free-precession imaging
... from imaging as a single num- ber summarizing the total ventilated volume in the thorax—for example, percent ventilated volume (11) or by clustering ventilation into functional compartments ...
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Robust volume targeted balanced steady state free precession coronary magnetic resonance angiography in a breathhold at 3 0 Tesla: a reproducibility study
... navigator-gated free-breathing counterparts, relying on breathing patterns and diaphragm position, result in prolonged and sometimes unpredictable scanning ...unsuccessful imaging ses- sions ...of ...
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Optimization of steady‐state free precession MRI for lung ventilation imaging with 19F C3F8 at 1.5T and 3T
... The expected SNR gains of using SSFP over SPGR im- aging at 1.5T are comparable to the improvements seen with SPGR when going from 1.5T to the higher field strength of 3T. Therefore, equivalent quality human ventilation ...
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Imaging of the saccule for the diagnosis of endolymphatic hydrops in Meniere disease, using a three-dimensional T2-weighted steady state free precession sequence: accurate, fast, and without contrast material intravenous injection
... fast imaging with steady state precession (true- FISP) sequences, or constructive interference steady state (CISS), sequences, additional information can be obtained, such as ...
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Fast and fully automatic calibration of frequency offset for balanced steady state free precession cardiovascular magnetic resonance at 3 0 Tesla
... Ten participants (male, aged 24.8 ± 4.9 years) partici- pated in the real-time calibration experiments. They underwent three multiphase cine bSSFP scans without frequency calibration, with frequency-scout calibration, ...
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Visibility of epidermoid tumors on steady state free precession images
... We have observed good visibility of epidermoid tumors using steady-state free precession images three-dimensional Fourier transform fast imaging with steady-state free precession [FISP] [r] ...
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Clinical validation of free breathing respiratory triggered retrospectively cardiac gated cine balanced steady state free precession cardiovascular magnetic resonance in sedated children
... artifacts, imaging in qui- escent phases of respiration is preferred ...to steady state and complete acquisi- tion prior to the onset of the next inspiration ...to steady state, so that ...
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Normal right and left ventricular volumes and myocardial mass in children measured by steady state free precession cardiovascular magnetic resonance
... Fifty-two subjects were recruited for the study among physically normally developed children without cardio- vascular disease, undergoing magnetic resonance imaging for evaluation of peripheral and local ...
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More Peripheral Visualization of Hepatic Arteries by Using Respiratory Triggered 3D True Steady State Free Precession Projection Magnetic Resonance Angiographic Sequences with Time Spatial Labeling Inversion Pulse
... vascular imaging without contrast medium is safe and low cost ...magnetic imaging technology mean that it is now possible to use multiple inversion ...true steady-state ...
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Optimization and Initial Experience of a Multisection Balanced Steady State Free Precession Cine Sequence for the Assessment of Fetal Behavior in Utero
... This was a cross-sectional study that used the optimized cine MR imaging protocol prospectively on 37 neurologically healthy fetuses (median GA, 29 weeks; range, 20 –37 weeks). Analysis of cine data was performed ...
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High Resolution MRI of the Intraparotid Facial Nerve Based on a Microsurface Coil and a 3D Reversed Fast Imaging with Steady State Precession DWI Sequence at 3T
... It has a dominant T2 contrast compared with other spoiled or refo- cused gradient-echo techniques, such as fast low-angle shot, gradi- ent-recalled acquisition in the steady state, and free induction ...
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Reference right atrial dimensions and volume estimation by steady state free precession cardiovascular magnetic resonance
... RA volume measurements with CMR have been vali- dated in the past using an excised heart cast model [21], but there is little peer-reviewed validated literature on RA reference dimensions to compare our data [12,22,23], ...
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Diagnostic Value of Increased Diffusion Weighting of a Steady state Free Precession Sequence for Differentiating Acute Benign Osteoporotic Fractures from Pathologic Vertebral Compression Fractures
... Sixteen patients (mean age, 62 years) had 17 pathologic ver- tebral compression fractures. None of these patients had been treated with chemotherapy or radiation therapy. The underlying tumors included breast cancer (n 5 ...
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Balanced Steady State Free Precession Sequence (CISS/FIESTA/3D Driven Equilibrium Radiofrequency Reset Pulse) Increases the Diagnostic Yield for Spinal Drop Metastases in Children with Brain Tumors
... all imaging was performed on the same MR imaging scanner platform with patients scanned on both ...3T imaging may detect a higher number of drop metastases compared with ...
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Three dimensional balanced steady state free precession myocardial perfusion cardiovascular magnetic resonance at 3T using dual source parallel RF transmission: initial experience
... balanced steady-state-free-precession (bSSFP) myocardial perfusion cardiovascular magnetic resonance (CMR) at 3T using local RF shimming with dual-source RF transmission, and to compare it ...
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Assessment of myocardium at risk with contrast enhanced steady state free precession cine cardiovascular magnetic resonance compared to single photon emission computed tomography
... balanced steady-state free precession (SSFP) in the assessment of infarct size compared with late gadolin- ium enhancement (LGE) sequences ...weighted imaging for quantification of MaR ...
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Agreement of left ventricular mass in steady state free precession and delayed enhancement MR images: implications for quantification of fibrosis in congenital and ischemic heart disease
... Background: Left ventricular mass (LVM) is used when expressing infarct or fibrosis as a percentage of the left ventricle (LV). Quantification of LVM is interchangeably carried out in cine steady state ...
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Non-contrast coronary artery wall and plaque imaging using inversion-recovery prepared steady-state free precession
... gated free- breathing and cardiac-triggered T1-weighted inversion-recovery and fat-suppressed 3D SSFP (IR-SSFP) sequence ...1). Imaging parameters included field of view = 300 mm, matrix = 304 x 512, ...
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Feasibility of human lung ventilation imaging using highly polarized naturally abundant xenon and optimized three-dimensional steady-state free precession
... lung imaging research, most likely due to two factors; firstly it has historically been easier to polarize 3 He to higher levels in volumes required for lung MRI, and secondly the higher gyromagnetic ratio of 3 He ...
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Gadolinium free cardiovascular magnetic resonance with 2 point Cine balanced steady state free precession
... Mapping of native myocardial T1-relaxation times is emerging as a highly promising method for gadolinium- free imaging of fibrosis [12, 14, 16]. Recently, several studies demonstrated increased ...
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