Corpus ID: 4061746

Accelerated dual‐venc 4D flow MRI for neurovascular applications

Published 2017

Physics, Medicine

Journal of Magnetic Resonance Imaging

To improve velocity‐to‐noise ratio (VNR) and dynamic velocity range of 4D flow magnetic resonance imaging (MRI) by using dual‐velocity encoding (dual‐venc) with k‐t generalized autocalibrating… Expand

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36 Citations

Mathematics, Medicine

Magnetic resonance in medicine

2019

To evaluate the utility of an efficient triple velocity‐encoding (VENC) 4D flow MRI implementation to improve velocity unwrapping of 4D flow MRI data with the same scan time as an interleaved… Expand

Medicine, Mathematics

Journal of magnetic resonance imaging : JMRI

2019

TLDR

Single Venc 4D flow MRI with Cartesian readout is hampered by poor velocity resolution and noise when imaging during diastole, which leads to longer scan times. ExpandMedicine

Journal of magnetic resonance imaging : JMRI

2019

TLDR

Dual‐venc 4d flow MRI, an extended 4D flow MRI method with improved velocity dynamic range, provides time‐resolved 3D cerebral hemodynamics. ExpandMedicine

Journal of magnetic resonance imaging : JMRI

2021

Vessel‐wall enhancement (VWE) on black‐blood MRI (BB MRI) has been proposed as an imaging marker for a higher risk of rupture and associated with wall inflammation. Whether VWE is causally linked to… Expand

2021

TLDR

Two radial trajectories are compared in vitro for this application: 3D radial versus stack of stars (phase‐contrast vastly undersampled isotropic projection, PC‐VIPR), with benchtop particle imaging velocimetry (PIV) serving as a reference standard.ExpandComputer Science

2018

TLDR

This chapter will cover the basic techniques of MR velocity encoding, current acquisition strategies and practical aspects, post-processing of the acquired data, current limitations, and an overview of current and future research directions. ExpandPhysics, Medicine

Magnetic resonance in medicine

2018

To introduce newly developed MR elastography (MRE)‐based dual‐saturation imaging and dual‐sensitivity motion encoding schemes to directly measure in vivo skull–brain motion, and to study the… Expand

Physics, Medicine

2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

2018

TLDR

The results illustrate that 4D Dual Venc Spiral Flow behaves similarly to 4D dual-Venc Cartesian Flow but with the benefit of faster acquisition time and lower echo time (TE). ExpandMedicine

Journal of magnetic resonance imaging : JMRI

2020

Considering the crosstalk between the flow and vessel wall, hemodynamic assessment of the neurovascular system may offer a well-integrated solution for both diagnosis and management by adding… Expand

Physics, Medicine

Magnetic resonance in medicine

2019

TLDR

A motion‐robust and respiratory‐resolved 3D Radial Flow framework that addresses the need for rapid, high resolution imaging in neonatal patients with congenital heart disease is proposed. Expand...

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References

SHOWING 1-10 OF 36 REFERENCES

Physics, Medicine

Magnetic resonance in medicine

2016

The present study aims to improve precision of four‐dimensional (4D) phase‐contrast (PC) MRI technique by using multiple velocity encoding (VENC) parameters.

Materials Science, Medicine

Journal of magnetic resonance imaging : JMRI

2012

To validate a novel approach for accelerated four‐dimensional phase contrast MR imaging (4D PC‐MRI) with an extended range of velocity sensitivity.

Medicine

Journal of magnetic resonance imaging : JMRI

2007

To evaluate an improved image acquisition and data‐processing strategy for assessing aortic vascular geometry and 3D blood flow at 3T.

Physics, Medicine

Magnetic resonance in medicine

2014

TLDR

The aim was to systematically investigate the impact of different acceleration factors and number of coil elements on acquisition time, image quality and quantification of hemodynamic parameters in accelerating aortic four‐dimensional MRI. ExpandMathematics, Medicine

Journal of magnetic resonance imaging : JMRI

2016

TLDR

To show that the use of a multi‐velocity encoding (VENC) 4D‐flow approach offers significant improvements in the characterization of complex flow in the aorta, a study of four‐dimensional flow magnetic resonance imaging in the heart and major vessels is shown. ExpandMathematics, Medicine

Journal of magnetic resonance imaging : JMRI

2008

To evaluate an optimized k‐t‐space related reconstruction method for dynamic magnetic resonance imaging (MRI), a method called PEAK‐GRAPPA (Parallel MRI with Extended and Averaged GRAPPA Kernels) is… Expand

Physics, Medicine

Journal of magnetic resonance imaging : JMRI

2012

To evaluate accuracy and noise properties of a novel time‐resolved, three‐dimensional, three‐directional phase contrast sequence with variable velocity encoding (denoted 4D‐vPC) on a 3 Tesla MR… Expand

Physics, Medicine

Journal of magnetic resonance imaging : JMRI

2012

To develop a method for targeted volumetric, three directional cine phase contrast (PC) imaging with high spatial resolution in clinically feasible scan times.

Medicine

Radiology

1992

TLDR

Preliminary findings suggest that variable VENC can enhance the signal from the small and large peripheral blood vessels in cardiac-gated PC acquisitions. ExpandComputer Science, Medicine

Magnetic resonance in medicine

2011

TLDR

The application of k‐t‐GRAPPA to in vivo data demonstrated the feasibility of undersampling of time‐resolved 3D phase contrast data set with a nominal reduction factors of up to Rnet = 8, while maintaining the temporal fidelity of the measured velocity field. Expand...

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SORT BY

Analysis and Correction of Dual PRF Velocity Data

Physics

2003

The dual pulse repetition frequency (dual PRF) technique for extension of the unambiguous velocity interval is available...

60 Citations

The effect of cognitive dual tasks on balance during walking in physically fit elderly people.

Psychology, Medicine

Archives of physical medicine and rehabilitation

2007

OBJECTIVE To evaluate the effect on balance of 3 different cognitive dual tasks performed while walking without and with...

106 Citations

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36 Citations

36 References

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