5D whole‐heart sparse MRI

  title={5D whole‐heart sparse MRI},
  author={Li Feng and Simone Coppo and Davide Piccini and J{\'e}r{\^o}me Yerly and Ruth P. Lim and Pier Giorgio Masci and Matthias Stuber and Daniel K. Sodickson and Ricardo Otazo},
  journal={Magnetic Resonance in Medicine},
A 5D whole‐heart sparse imaging framework is proposed for simultaneous assessment of myocardial function and high‐resolution cardiac and respiratory motion‐resolved whole‐heart anatomy in a single continuous noncontrast MR scan. 
Fully self‐gated whole‐heart 4D flow imaging from a 5‐minute scan
To develop and validate an acquisition and processing technique that enables fully self‐gated 4D flow imaging with whole‐heart coverage in a fixed 5‐minute scan.
Free‐breathing whole‐heart 3D cine magnetic resonance imaging with prospective respiratory motion compensation
To develop and validate a new prospective respiratory motion compensation algorithm for free‐breathing whole‐heart 3D cine steady‐state free precession (SSFP) imaging.
Motion‐compensated fat‐water imaging for 3D cardiac MRI at ultra‐high fields
Respiratory motion‐compensated (MC) 3D cardiac fat‐water imaging at 7T shows clear improvements in the ability of the heart to compensate for airway obstruction during exercise.
Cardio‐respiratory motion‐corrected 3D cardiac water‐fat MRI using model‐based image reconstruction
The purpose of this study was to perform cardio‐respiratory motion‐correction for model‐based water‐fat separation to image fatty infiltrations of the heart in a free‐breathing, non‐cardiac‐triggered high‐resolution 3D MRI acquisition.
Free‐running 3D whole heart myocardial T1 mapping with isotropic spatial resolution
To develop a free‐running (free‐breathing, retrospective cardiac gating) 3D myocardial T1 mapping with isotropic spatial resolution.
Isotropic 3D Cartesian single breath‐hold CINE MRI with multi‐bin patch‐based low‐rank reconstruction
To develop a novel acquisition and reconstruction framework for isotropic 3D Cartesian cardiac CINE within a single breath‐hold for left ventricle (LV) and whole‐heart coverage.
Motion robust respiratory‐resolved 3D radial flow MRI and its application in neonatal congenital heart disease
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.
An automated approach to fully self‐gated free‐running cardiac and respiratory motion‐resolved 5D whole‐heart MRI
To develop a previously reported, electrocardiogram (ECG)‐gated, motion‐resolved 5D compressed sensing whole‐heart sparse MRI methodology into an automated, optimized, and fully self‐gated
Fully self‐gated free‐running 3D Cartesian cardiac CINE with isotropic whole‐heart coverage in less than 2 min
To develop a novel fast water‐selective free‐breathing 3D Cartesian cardiac CINE scan with full self‐navigation and isotropic whole‐heart (WH) coverage.
Natively fat‐suppressed 5D whole‐heart MRI with a radial free‐running fast‐interrupted steady‐state (FISS) sequence at 1.5T and 3T
To implement, optimize, and test fast interrupted steady‐state (FISS) for natively fat‐suppressed free‐running 5D whole‐heart MRI at 1.5 tesla (T) and 3T.


ECG and navigator‐free four‐dimensional whole‐heart coronary MRA for simultaneous visualization of cardiac anatomy and function
To develop a cardiac and respiratory self‐gated four‐dimensional (4D) coronary MRA technique for simultaneous cardiac anatomy and function visualization.
Highly efficient respiratory motion compensated free‐breathing coronary mra using golden‐step Cartesian acquisition
To develop an efficient 3D affine respiratory motion compensation framework for Cartesian whole‐heart coronary magnetic resonance angiography (MRA).
Whole‐heart coronary MRA with 100% respiratory gating efficiency: Self‐navigated three‐dimensional retrospective image‐based motion correction (TRIM)
To develop a three‐dimensional retrospective image‐based motion correction technique for whole‐heart coronary MRA with self‐navigation that eliminates both the need to setup a diaphragm navigator and
Four‐dimensional respiratory motion‐resolved whole heart coronary MR angiography
Free‐breathing whole‐heart coronary MR angiography (MRA) commonly uses navigators to gate respiratory motion, resulting in lengthy and unpredictable acquisition times, and a respiratory motion‐resolved reconstruction approach is proposed.
Free‐breathing pediatric MRI with nonrigid motion correction and acceleration
To develop and assess motion correction techniques for high‐resolution pediatric abdominal volumetric magnetic resonance images acquired free‐breathing with high scan efficiency.
Free‐running 4D whole‐heart self‐navigated golden angle MRI: Initial results
To test the hypothesis that both coronary anatomy and ventricular function can be assessed simultaneously using a single four‐dimensional (4D) acquisition.
Towards a five‐minute comprehensive cardiac MR examination using highly accelerated parallel imaging with a 32‐element coil array: Feasibility and initial comparative evaluation
To evaluate the feasibility and perform initial comparative evaluations of a 5‐minute comprehensive whole‐heart magnetic resonance imaging (MRI) protocol with four image acquisition types: perfusion
Localized spatio‐temporal constraints for accelerated CMR perfusion
To develop and evaluate an image reconstruction technique for cardiac MRI (CMR) perfusion that uses localized spatio‐temporal constraints.
Four‐dimensional, multiphase, steady‐state imaging with contrast enhancement (MUSIC) in the heart: A feasibility study in children
To develop a technique for high resolution, four‐dimensional (4D), multiphase, steady‐state imaging with contrast enhancement (MUSIC) in children with complex congenital heart disease.
100% Efficient three‐dimensional coronary MR angiography with two‐dimensional beat‐to‐beat translational and bin‐to‐bin affine motion correction
To develop a flexible image navigator for 3D coronary MR angiography that allows respiratory motion of variable complexity to be compensated for on different temporal scales.