Steady-State Free Precession MRI
Optimization of steady‐state free precession MRI for lung ventilation imaging with 19F C3F8 at 1.5T and 3T
... simulated steady‐state magnetization is demonstrated, further validating the values F I G U R E 1 A, Simulated steady state magnetization as a function of FA and offset frequency for TR = ...
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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
... Lastly, we recognise the reduction in TR associated with the use of dual source parallel RF transmission in this study is the consequence of many factors not least the particular SAR model used by the vendor of the ...
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Reference left atrial dimensions and volumes by steady state free precession cardiovascular magnetic resonance
... method with real volume, showing that the biplane area- length method caused a significant overestimation. An echocardiographic study by Badano et al [43] that sought to assess how many patients would be misclassi- fied ...
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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 MRI with 3 He and 129 Xe can overcome many of the constraints of existing clinical gold-standard methods for diagnosing pulmonary disease, including: the lack of regional information offered by pulmonary ...
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Multiple breath washout of hyperpolarized (129) Xe and (3) He in human lungs with three-dimensional balanced steady-state free-precession imaging
... Dynamic imaging of gas wash-in over multiple breaths of hyperpolarized 3 He MRI was demonstrated as a quan- titative method for measuring regional ventilation in guinea pig lungs (14). This method was subsequently ...
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Gadolinium free cardiovascular magnetic resonance with 2 point Cine balanced steady state free precession
... Background: Cardiovascular magnetic resonance (CMR) of ventricular structure and function is widely performed using cine balanced steady state free precession (bSSFP) MRI. The bSSFP ...
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Non-contrast coronary artery wall and plaque imaging using inversion-recovery prepared steady-state free precession
... The current diagnostic method of choice for the detection of coronary artery disease is conventional x-ray angiog- raphy (XCA). However, XCA provides only limited infor- mation regarding the coronary plaque burden [1]. ...
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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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Multimodal imaging of the tricuspid valve: normal appearance and pathological entities
... capabilities. MRI also provides functional assess- ment without the use of radiation and potentially nephro- toxic contrast ...on MRI using steady-state free precession (SSFP) ...
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Use of quantitative T2 mapping for the assessment of renal cell carcinomas: first results
... clinical MRI scanner (Avanto; Siemens Medical Solutions, Erlangen, Germany) with dedicated 18-channel body and spine matrix ...balanced steady-state free precession T2 mapping se- ...
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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
... vivo MRI in animal models however, gives the ability to measure LVM with high resolution and accuracy [6,22,23] and can be used as a reference method for ...
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Magnetic resonance assessment of left ventricular volumes and mass using a single-breath-hold 3D k-t BLAST cine b-SSFP in comparison with multiple-breath-hold 2D cine b-SSFP
... balanced steady-state free precession gradient echo sequence (b-SSFP) is currently considered the preferred method to assess LV volume and function because of its high spatial and temporal ...
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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
... RESULTS: The optimized cine sequence, with TR/TE of 3.21/1.59 ms, coupled with parallel imaging and partial-Fourier imaging, resulted in a section-acquisition time of 0.303 seconds. Anatomic coverage was enhanced by ...
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Magnetic resonance imaging in children: common problems and possible solutions for lung and airways imaging
... chest MRI depends on patient cooperation, which is in turn related to patient age, and mental and disease status ...of free-breathing MRI techniques, which are described below, cannot overcome ...
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Normal values for cardiovascular magnetic resonance in adults and children
... Three- dimensional contrast enhanced MR Angiography (MRA) has gained broad acceptance and is widely used for assessment and follow-up of thoracic aortic diameter in clinical setting. The multi-planar reformation of MRA ...
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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
... the steady-state signal intensity is a function of the reference offset angle, which is the phase evolution within one repetition time (TR) relative to the radio-frequency (RF) ...
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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
... The diffusion-weighted SSFP sequence showed a high diagnostic accuracy for differentiating acute benign osteoporotic fractures from pathologic frac- tures. At d 5 3 ms, hypo- or isointense signal was diagnostic for an ...
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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
... during free breathing to visually identify the period of minimal co- ronary ...resolution free breathing navigator-gated and corrected whole-heart three-dimensional (3D) coronary localizer scan in the ...
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Normal right and left ventricular volumes and myocardial mass in children measured by steady state free precession cardiovascular magnetic resonance
... ability of the data that is explained by the association between variables, and analysis of residuals for each regression equation. The resulting equations and parame- ters were then retransformed to a linear scale. ...
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Clinical evaluation of left ventricular function and morphology using an accelerated k-t sensitivity encoding method in cardiovascular magnetic resonance
... All subjects were prospectively scanned using a 1.5T MRI system (Canon Vantage Titan, Canon Medical System Corporation, Japan). In addition to the standard protocol regarding the clinical indication, two short ...
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