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Fast Interleaved Multislice T1 Mapping: Model-Based Reconstruction of Single-Shot Inversion-Recovery Radial FLASH

Xiaoqing Wang, Dirk Voit, Volkert Roeloffs, Martin Uecker, Jens Frahm
2018 Computational and Mathematical Methods in Medicine  
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

Matthan W. A. Caan, Pierre‐Louis Bazin, José P. Marques, Gilles Hollander, Serge Dumoulin, Wietske Zwaag
2018 Human Brain Mapping  
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

Thomas P O'Donnell, Engin Dikici, Teresa Swenson, Jean Shaffer, Richard D White
2009 Journal of Cardiovascular Magnetic Resonance  
(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

Henning Steen, Frederik Voss, Rüdiger Becker, Hugo A Katus, Evangelos Giannitsis
2009 Journal of Cardiovascular Magnetic Resonance  
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

D. J. Pennell, A. J. Baksi, S. K. Prasad, R. H. Mohiaddin, F. Alpendurada, S. V. Babu-Narayan, J. E. Schneider, D. N. Firmin
2016 Journal of Cardiovascular Magnetic Resonance  
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]

Guido Buonincontri
2022 arXiv   pre-print
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

Aleksandra Radjenovic, Sven Plein, Neil Maredia, Sebastian Kozerke, John Biglands, John Greenwood, John Ridgway
2009 Journal of Cardiovascular Magnetic Resonance  
(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

Mahdi Khajehim, Thomas Christen, Fred Tam, Simon J. Graham
2021 NeuroImage  
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

Roland Bammer, Stefan Skare, Rexford Newbould, Chunlei Liu, Vincent Thijs, Stefan Ropele, David B. Clayton, Gunnar Krueger, Michael E. Moseley, Gary H. Glover
2005 Neurotherapeutics  
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

Roland Bammer, Stefan Skare, Rexford Newbould, Chunlei Liu, Vincent Thijs, Stefan Ropele, David B. Clayton, Gunnar Krueger, Michael E. Moseley, Gary H. Glover
2005 NeuroRx  
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

Camila Munoz, Christoph Kolbitsch, Andrew J. Reader, Paul Marsden, Tobias Schaeffter, Claudia Prieto
2016 PET Clinics  
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

Grzegorz Bauman, Monika Eichinger
2012 Polski przeglad radiologii i medycyny nuklearnej  
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

Merlin J. Fair, Peter D. Gatehouse, Edward V. R. DiBella, David N. Firmin
2015 Journal of Cardiovascular Magnetic Resonance  
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

Nadine Kirchhartz, Eva Hendrich, Stefan Martinoff, Albert Schömig, Martin Hadamitzky
2009 Journal of Cardiovascular Magnetic Resonance  
(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

Aoife N Keeling, Ravi K Singh, Cormac Farrelly, Hyun Jeong, Ty A Cashen, John Sheehan, Tim J Carroll, James C Carr
2009 Journal of Cardiovascular Magnetic Resonance  
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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