4D flow
Validation of two accelerated 4D flow MRI sequences at 3 T: a phantom study
... 2D flow se- quences in vivo , it is important to place the measuring plane perpendicular to the vessel of ...of 4D flow sequences: due to their 3D geometry, 4D flow se- quences allow ...
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A systematic review of right ventricular diastolic assessment by 4D flow CMR
... using 4D flow CMR methods and offers mechanistic insight into ...blood flow energetics can quantify the three-dimensional flow inside the RV throughout the cardiac ...intracavity flow ...
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Vortex flow during early and late left ventricular filling in normal subjects: quantitative characterization using retrospectively gated 4D flow cardiovascular magnetic resonance and three dimensional vortex core analysis
... vortex flow might provide a novel objective tool for evaluating LV ...vortex flow analysis during both early and late diastolic filling in vivo in normal subjects using 4D Flow cardiovascular ...
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Three-dimensional in-vivo intra-cardiac vortex flow from 4D Flow MRI : quantification, automatic identification and association with energy loss
... significant 4D Flow MRI developments, insightful discussions, Dutch summary and for believing in me and in my ideas even when it meant flying to Sweden in a very short notice to get a phantom and to have to ...
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A systematic review of 4D-flow MRI derived mitral regurgitation quantification methods
... by 4D flow CMR allows quantification of flow and regurgitation in many novel ...jet, 4D flow derived PISA, semi-quantitative streamline visualization and intra-cavity hemodynamic ...
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Comparison of Blood Flow Velocity Quantification by 4D Flow MR Imaging with Ultrasound at the Carotid Bifurcation
... carotid 4D flow MR imaging include the long mea- surement time of approximately 15–20 minutes and of approxi- mately 60 –90 minutes for preprocessing and postprocessing that is required to visualize or ...
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Clinical use of 4D flow MRI for quantification of aortic regurgitation
... 3D flow MRI with these new developments, known nowadays as four- dimensional (4D) flow MRI (3D within the time of the cardiac cycle), has emerged as an alternative clinical approach to measuring ...
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Inflow Jet Patterns of Unruptured Cerebral Aneurysms Based on the Flow Velocity in the Parent Artery: Evaluation Using 4D Flow MRI
... Blood flow analysis was performed on 4D flow MR imaging scans. The parameters were TR/TE/NEX, 33.05 ms/5.63 ms/aver- age 1; flip angle, 22°; FOV, 200 ⫻ 200 mm; 0.8-mm thickness; 1 slab; 24 –26 ...
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Left ventricular blood flow kinetic energy after myocardial infarction - insights from 4D flow cardiovascular magnetic resonance
... blood flow kinetic energy (KE) is altered in MI and is associated with LV function and infarct ...blood flow KE in controls and MI patients, using cardiovascular magnetic resonance (CMR) four-dimensional ...
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Left ventricular blood flow kinetic energy after myocardial infarction - insights from 4D flow cardiovascular magnetic resonance
... blood flow kinetic energy (KE) is altered in MI and is associated with LV function and infarct ...blood flow KE in controls and MI patients, using cardiovascular magnetic resonance (CMR) four-dimensional ...
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An isolated beating pig heart platform for a comprehensive evaluation of intracardiac blood flow with 4D flow MRI: a feasibility study
... study, 4D flow MRI was successfully applied in five pig hearts independently beating after installation and resuscitation in an MRI-compatible ex vivo beating pig heart ...i.e., 4D, intracardiac ...
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Impact of Age and Diastolic Function on Novel, 4D flow CMR Biomarkers of Left Ventricular Blood Flow Kinetic Energy
... quantified 4D-flow derived diastolic KE parameters, looking specifically at their association with age as well as correlating them with traditional 2D mitral inflow ...
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4D flow cardiovascular magnetic resonance consensus statement
... intuitive flow visualizations that 4D Flow CMR offers have already found utility in several clinical ...blood flow have been used clinically to identify flow directionality and areas of ...
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Complete Intracranial Arterial and Venous Blood Flow Evaluation with 4D Flow MR Imaging
... blood flow through vessels of interest. In a sim- ilar fashion, 4D Flow could be useful for the evaluation of venous anatomy, with the additional benefit of identification of venous stenoses as ...
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Atlas based analysis of 4D flow CMR: Automated vessel segmentation and flow quantification
... based flow volume quantification in the great thoracic vessels is used in the assessment of several cardiovascular dis- eases such as valvular regurgitation and shunts ...cally, flow volume quantification ...
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Impact of Age and Diastolic Function on Novel, 4D flow CMR Biomarkers of Left Ventricular Blood Flow Kinetic Energy
... quality of KE assessment. he LV geometry was deined from a stack of LV cines acquired during breath-holding while the 4D low was acquired during free breathing. Hence, although spatial mis-registration was ...
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Fast Contrast Enhanced 4D MRA and 4D Flow MRI Using Constrained Reconstruction (HYPRFlow): Potential Applications for Brain Arteriovenous Malformations
... Comments: 4D DSA and 4D fluoroscopy; Payment for Lectures (including service on Speakers Bureaus): various universities, Comments: typical visiting professor lectures; Patents (planned, pending or issued): I ...
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Whole-heart four-dimensional flow can be acquired with preserved quality without respiratory gating, facilitating clinical use: a head-to-head comparison
... of 4D flow SV compared to 2D flow, which is in line with previous re- sults at ...steady flow (as opposed to the pulsatile flow in the heart), Brix et ...of 4D flow ...
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Comparison of Fast Acquisition Strategies in Whole-Heart Four-Dimensional Flow Cardiac MR: Two-center, 1.5 Tesla, Phantom and In-vivo Validation Study
... each 4D flow cardiac MR pulse sequence, blinded quality checks were per- formed by two experts from the two centers: JW; a cardiac MR aca- demic with over 15 years’ experience and PG; a cardiac MR academic ...
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In Vivo Assessment of the Impact of Regional Intracranial Atherosclerotic Lesions on Brain Arterial 3D Hemodynamics
... current 4D flow MR imaging technique is also limited by insufficient spatial resolution for the characterization of blood flow at sites of critical or severe ...poststenotic flow was used to ...
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