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Fast Interleaved Multislice T1 Mapping: Model-Based Reconstruction of Single-Shot Inversion-Recovery Radial FLASH
2018
Computational and Mathematical Methods in Medicine
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To develop a high-speed multislice T1 mapping method based on a single-shot inversion-recovery (IR) radial FLASH acquisition and a regularized model-based reconstruction. Methods. ...
Rapid, robust, accurate, and precise multislice T1 mapping may be achieved by combining the advantages of a model-based nonlinear inverse reconstruction, radial sampling, parallel imaging, and compressed ...
Figure 1 : 1 Single-shot inversion-recovery spoke-interleaved radial FLASH acquisition for model-based reconstruction: exemplary scheme for 3 slices. ...
doi:10.1155/2018/2560964
pmid:30186361
pmcid:PMC6110002
fatcat:3y6sm6ldwrfkpaxqvo6hu3v26q
MP2RAGEME: T 1 , T 2 * , and QSM mapping in one sequence at 7 tesla
2018
Human Brain Mapping
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Here, we show that we can acquire quantitative T1 , T2 * , and quantitative susceptibility mapping (QSM) information in a single acquisition, using a multi-echo (ME) extension of the second gradient-echo ...
image of the MP2RAGE sequence. ...
T 1 relaxometry can be done with multiple 3D FLASH (fast low angle shot) acquisitions (Frahm, Haase, & Matthaei, 1986) with variable excitation flip angles (Helms, Dathe, & Dechent, 2008 ). ...
doi:10.1002/hbm.24490
pmid:30549128
pmcid:PMC6590660
fatcat:3r3jnvm2cvgitih4ln2efkl7va
Co-registration of CTA coronary artery/vein maps and MR myocardial viability/scar maps for optimized revascularization or resynchronization therapy planning
2009
Journal of Cardiovascular Magnetic Resonance
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(sequence parameters: inversion recovery gradient echo; matrix 256 × 148, imaging 10 min after 0.2 μg/kg gadolinium DTPA; slice orientation equal to SSFP). ...
For quantitative assessment of infarct morphology late gadolinium enhancement (LGE) was performed including measurement of total and relative infarct mass (related to LV mass) and the degree of transmurality ...
Acknowledgements his work was supported in part by grants from the national institute of heart, lung and blood R01HL072704 and R01HL61912, and Donald W. Reynolds Foundation grant. ...
doi:10.1186/1532-429x-11-s1-p193
fatcat:pg7jna2nwbaijmyy3sf5pbc3um
Comparison of myocardial infarct size measurements between noncontact mapping and cardiac contrast enhanced MRI
2009
Journal of Cardiovascular Magnetic Resonance
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Myocardial siderosis is the main cause of morbidity and mortality in thalassaemia major. In the United Kingdom approximately 50% of patients die before reaching 35 years. ...
The cardiomyopathy is reversible if chelation is commenced early but diagnosis is often delayed due to the late onset of symptoms. ...
Conclusion: We have demonstrated a rapid method of T2-mapping for quantitative detection of myocardial edema. ...
doi:10.1186/1532-429x-11-s1-p90
fatcat:wvvpqhzxgbb2zmufyiwyhyvszy
Review of Journal of Cardiovascular Magnetic Resonance 2015
2016
Journal of Cardiovascular Magnetic Resonance
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in a single article in relation to each other and other recent JCMR articles. ...
The quality of the submissions continues to increase. ...
The QISS sequence is a single-shot or two-shot 2D sequence with a slice-selective inversion recovery preparation that suppresses background tissue. ...
doi:10.1186/s12968-016-0305-7
pmid:27846914
pmcid:PMC5111217
fatcat:xpe47w5atvcilebmccg4ut7xgm
Advanced MRI for cardiac assessment in mice
[article]
2022
arXiv
pre-print
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The method utilises a combination of compressed sensing and parallel imaging with a radial acquisition of k-space. ...
Cine MRI is applied here to genetic models of heart disease, including stress tests with pharmacological manipulation. ...
Recently, Price et al. (93) have proposed a LGE protocol for rodents based on a fast multislice approach. ...
arXiv:2201.03033v1
fatcat:e5du4j45jbac5o7kkbeevenmwa
First-pass myocardial perfusion assessment using eight-fold accelerated k-t BLAST stress DCE-MRI with rapid parametric mapping
2009
Journal of Cardiovascular Magnetic Resonance
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(sequence parameters: inversion recovery gradient echo; matrix 256 × 148, imaging 10 min after 0.2 μg/kg gadolinium DTPA; slice orientation equal to SSFP). ...
For quantitative assessment of infarct morphology late gadolinium enhancement (LGE) was performed including measurement of total and relative infarct mass (related to LV mass) and the degree of transmurality ...
Acknowledgements his work was supported in part by grants from the national institute of heart, lung and blood R01HL072704 and R01HL61912, and Donald W. Reynolds Foundation grant. ...
doi:10.1186/1532-429x-11-s1-o34
fatcat:lmjjnjfgazgzfg3shcwjxqd7ge
Streamlined magnetic resonance fingerprinting: Fast whole-brain coverage with deep-learning based parameter estimation
2021
NeuroImage
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This study aims to introduce a novel streamlined magnetic-resonance fingerprinting (sMRF) framework based on a single-shot echo-planar imaging (EPI) sequence to simultaneously estimate tissue T1, T2, and ...
Thus, sMRF has the potential to be the method of choice for future MRF studies by providing ease of implementation, fast whole-brain coverage, and ultra-fast T1/T2/T2* estimation. ...
We also thank the University of Toronto and Baycrest Hospital for financial support. We also thank Fatemeh Rastegar and Dr. Ata Jodeiri for their help. ...
doi:10.1016/j.neuroimage.2021.118237
pmid:34091035
fatcat:sxuqqmljzfdolfh3kb233m2yxe
Foundations of advanced magnetic resonance imaging
2005
Neurotherapeutics
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This article provides an overview of the most common advanced MRI methods including diffusion MRI, perfusion MRI, functional MRI, and the strengths and weaknesses of MRI at high magnetic field strengths ...
During the past decade, major breakthroughs in magnetic resonance imaging (MRI) quality were made by means of quantum leaps in scanner hardware and pulse sequences. ...
of Stanford (NCRR P41 RR 09784), and the Lucas Foundation. ...
doi:10.1007/bf03206665
fatcat:a66utm5yn5dwxfvxx5s7hwg6ve
Foundations of advanced magnetic resonance imaging
2005
NeuroRx
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This article provides an overview of the most common advanced MRI methods including diffusion MRI, perfusion MRI, functional MRI, and the strengths and weaknesses of MRI at high magnetic field strengths ...
During the past decade, major breakthroughs in magnetic resonance imaging (MRI) quality were made by means of quantum leaps in scanner hardware and pulse sequences. ...
of Stanford (NCRR P41 RR 09784), and the Lucas Foundation. ...
doi:10.1602/neurorx.2.2.167
pmid:15897944
pmcid:PMC1064985
fatcat:vyfeyhkvtvfe3kg6iyxxgzzrgu
MR-Based Cardiac and Respiratory Motion-Compensation Techniques for PET-MR Imaging
2016
PET Clinics
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MR-based motion-correction techniques for PET imaging improve the accuracy of uptake values and increase lesion detectability and contrast. ...
Validation of the techniques in clinical studies with larger cohorts of patients remains to be done. ...
Twodimensional (2D) fast low-angle shot (FLASH) cine-MR images have been used to estimate cardiac motion in a phantom PET-MR study, using B-spline nonrigid registration of 25 cardiac phases with respect ...
doi:10.1016/j.cpet.2015.09.004
pmid:26952730
fatcat:k5xfjkn6ufdrzghyakiykixd3a
Obrazowanie wentylacji i perfuzji płuc przy użyciu rezonansu magnetycznego
2012
Polski przeglad radiologii i medycyny nuklearnej
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Some MR techniques are still under development, a process which is driven by scientific questions regarding the physiology and pathophysiology of pulmonary diseases, as well as by the need for fast and ...
The goal of this article is to provide an overview on selected MRI techniques for the assessment of pulmonary ventilation and perfusion. ...
By performing a series of inversion recovery experiments it is possible to separate both signal components characterized by different longitudinal relaxation times, resulting in a map of the fPBV. ...
doi:10.12659/pjr.882579
pmid:22802864
pmcid:PMC3389953
fatcat:2vmyb2fadfcwxdcvbe53hr43ym
A review of 3D first-pass, whole-heart, myocardial perfusion cardiovascular magnetic resonance
2015
Journal of Cardiovascular Magnetic Resonance
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The mechanisms include rapid sequences, non-Cartesian k-space trajectories, reduced k-space acquisitions, parallel imaging reconstructions and compressed sensing. ...
Following a summary of the parameters typically desired of 3D FPP methods, the review explains the mechanisms of key acceleration techniques and their potential use in FPP for attaining 3D acquisitions ...
images (as in other applications such as T1-mapping [117] ). ...
doi:10.1186/s12968-015-0162-9
pmid:26231784
pmcid:PMC4522116
fatcat:46jfox2n4bgvvgzcwenlsn5iou
Comparison between single shot ir-steady state free precession and conventional ir-fast gradient echo sequence for automated quantification of the scar size in acute myocardial infarction in daily practice
2009
Journal of Cardiovascular Magnetic Resonance
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(sequence parameters: inversion recovery gradient echo; matrix 256 × 148, imaging 10 min after 0.2 μg/kg gadolinium DTPA; slice orientation equal to SSFP). ...
For quantitative assessment of infarct morphology late gadolinium enhancement (LGE) was performed including measurement of total and relative infarct mass (related to LV mass) and the degree of transmurality ...
Acknowledgements his work was supported in part by grants from the national institute of heart, lung and blood R01HL072704 and R01HL61912, and Donald W. Reynolds Foundation grant. ...
doi:10.1186/1532-429x-11-s1-p111
fatcat:hkcdkitw2vbujdo7427pqlry6i
Time-resolved MRA using sliding window reconstruction for evaluation of renal arterial anatomy and perfusion
2009
Journal of Cardiovascular Magnetic Resonance
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The file type is application/pdf.
Myocardial siderosis is the main cause of morbidity and mortality in thalassaemia major. In the United Kingdom approximately 50% of patients die before reaching 35 years. ...
The cardiomyopathy is reversible if chelation is commenced early but diagnosis is often delayed due to the late onset of symptoms. ...
Conclusion: We have demonstrated a rapid method of T2-mapping for quantitative detection of myocardial edema. ...
doi:10.1186/1532-429x-11-s1-p130
fatcat:2rletiwozjc7xctlt5dpsqrx4a
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