[go: up one dir, main page]

Bush et al., 2021 - Google Patents

Prospective correction of patient‐specific respiratory motion in myocardial T1 and T2 mapping

Bush et al., 2021

View PDF
Document ID
2171304209199692028
Author
Bush M
Pan Y
Jin N
Liu Y
Varghese J
Ahmad R
Simonetti O
Publication year
Publication venue
Magnetic resonance in medicine

External Links

Snippet

Purpose Respiratory motion in cardiovascular MRI presents a challenging problem with many potential solutions. Current approaches require breath‐holds, apply retrospective image registration, or significantly increase scan time by respiratory gating. Myocardial T1 …
Continue reading at pmc.ncbi.nlm.nih.gov (PDF) (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences, Generation or control of pulse sequences ; Operator Console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences, Generation or control of pulse sequences ; Operator Console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/5601—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences, Generation or control of pulse sequences ; Operator Console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4806—Functional imaging of brain activation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radiowaves involving electronic or nuclear magnetic resonance, e.g. magnetic resonance imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7271—Specific aspects of physiological measurement analysis
    • A61B5/7285—Specific aspects of physiological measurement analysis for synchronising or triggering a physiological measurement or image acquisition with a physiological event or waveform, e.g. an ECG signal

Similar Documents

Publication Publication Date Title
Cruz et al. Highly efficient nonrigid motion‐corrected 3D whole‐heart coronary vessel wall imaging
Qi et al. Free‐running 3D whole heart myocardial T1 mapping with isotropic spatial resolution
Xue et al. Motion correction for myocardial T1 mapping using image registration with synthetic image estimation
Ludwig et al. Pilot tone–based motion correction for prospective respiratory compensated cardiac cine MRI
Xue et al. Phase‐sensitive inversion recovery for myocardial T1 mapping with motion correction and parametric fitting
Moghari et al. Free‐breathing whole‐heart 3D cine magnetic resonance imaging with prospective respiratory motion compensation
Haji‐Valizadeh et al. Validation of highly accelerated real‐time cardiac cine MRI with radial k‐space sampling and compressed sensing in patients at 1.5 T and 3T
Correia et al. Optimized respiratory‐resolved motion‐compensated 3 DC artesian coronary MR angiography
Nacif et al. Myocardial T1 mapping with MRI: comparison of look‐locker and MOLLI sequences
Santelli et al. Respiratory bellows revisited for motion compensation: preliminary experience for cardiovascular MR
Wang et al. Quantitative 3D dynamic contrast‐enhanced (DCE) MR imaging of carotid vessel wall by fast T1 mapping using Multitasking
Henningsson et al. Prospective respiratory motion correction for coronary MR angiography using a 2D image navigator
Usman et al. Manifold learning based ECG‐free free‐breathing cardiac CINE MRI
Barkhausen et al. Assessment of ventricular function with single breath-hold real-time steady-state free precession cine MR imaging
Nazir et al. Simultaneous multi slice (SMS) balanced steady state free precession first-pass myocardial perfusion cardiovascular magnetic resonance with iterative reconstruction at 1.5 T
Gardener et al. Multislice perfusion of the kidneys using parallel imaging: image acquisition and analysis strategies
Nguyen et al. Free‐breathing diffusion tensor MRI of the whole left ventricle using second‐order motion compensation and multitasking respiratory motion correction
Munoz et al. Motion corrected water/fat whole‐heart coronary MR angiography with 100% respiratory efficiency
Becker et al. Fast myocardial T1 mapping using cardiac motion correction
Moghari et al. Three‐dimensional heart locator for whole‐heart coronary magnetic resonance angiography
Odille et al. Model‐based reconstruction for cardiac cine MRI without ECG or breath holding
Saranathan et al. Fast, three‐dimensional free‐breathing MR imaging of myocardial infarction: a feasibility study
Zhou et al. Dual‐excitation flip‐angle simultaneous cine and T 1 mapping using spiral acquisition with respiratory and cardiac self‐gating
Steeden et al. Self‐navigated tissue phase mapping using a golden‐angle spiral acquisition—proof of concept in patients with pulmonary hypertension
Coniglio et al. Multiple 3D inversion recovery imaging for volume T1 mapping of the heart