Research Topics
| M A GuttmanSummaryAffiliation: National Institutes of Health Country: USA Publications
| Collaborators
|
Detail Information
Publications
Real-time, Interactive MRI for cardiovascular interventionsElliot R McVeigh
Laboratory of Cardiac Energetics, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room B1D416, Bethesda, MD 20892-106, USA
Acad Radiol 12:1121-7. 2005- Techniques for fast stereoscopic MRIM A Guttman
Laboratory of Cardiac Energetics, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1061, USA
Magn Reson Med 46:317-23. 2001..Features have been added for depth cueing, view sharing, and bulk signal suppression. A workstation was attached to a clinical MR scanner for fast data extraction, image reconstruction and stereoscopic image display... - Interventional cardiovascular procedures guided by real-time MR imaging: an interactive interface using multiple slices, adaptive projection modes and live 3D renderingsMichael A Guttman
Laboratory of Cardiac Energetics, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892 1061, USA
J Magn Reson Imaging 26:1429-35. 2007..To develop and test a novel interactive real-time MRI environment that facilitates image-guided cardiovascular interventions... - Imaging of myocardial infarction for diagnosis and intervention using real-time interactive MRI without ECG-gating or breath-holdingMichael A Guttman
Laboratory of Cardiac Energetics, National Heart, Lung and Blood Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland 20892 1061, USA
Magn Reson Med 52:354-61. 2004..Supplementary material for this article can be found on the MRM website at http://www.interscience.wiley.com/jpages/0740-3194/suppmat/index.html... - Real-time catheter-directed MRA with effective background suppression and persistent renderingMichael A Guttman
Laboratory of Cardiac Energetics, National Institutes of Health, National Heart, Lung and Blood Institute, Bethesda, Maryland 20892 1061, USA
J Magn Reson Imaging 28:538-42. 2008..To develop an imaging and visualization technique for real-time magnetic resonance angiography (rtMRA) fully integrated with a real-time interactive imaging environment on a clinical MR scanner... - Real-time accelerated interactive MRI with adaptive TSENSE and UNFOLDMichael A Guttman
Laboratory of Cardiac Energetics, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
Magn Reson Med 50:315-21. 2003..For imaging with a combination of surface and interventional coils, a hybrid reconstruction approach is proposed whereby UNFOLD is used for the interventional coils, and TSENSE with or without UNFOLD is used for the surface coils... - Real-time volume rendered MRI for interventional guidanceMichael A Guttman
Laboratory of Cardiac Energetics, National Institutes of Health, National Heart, Lung and Blood Institute, 10 Center Dr, Building 10, Room B1D416, Bethesda, MD 20892 1061, USA
J Cardiovasc Magn Reson 4:431-42. 2002..The system is described and some interventional application examples are shown. To view movies of some of the examples, enter the following address into a web browser: http://nhlbi.nih.gov/labs/papers/lce/guttman/rtvolmri/index/htm... - Magnetic resonance fluoroscopy allows targeted delivery of mesenchymal stem cells to infarct borders in SwineAlexander J Dick
Cardiovascular Branch, Clinical Research Program, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room 2c713, Bethesda, MD 20892-1538, USA
Circulation 108:2899-904. 2003..MR fluoroscopy permits visualization of catheter navigation, myocardial function, infarct borders, and labeled cells after injection... - Reduced field of view and undersampled PR combined for interventional imaging of a fully dynamic field of viewDana C Peters
Laboratory of Cardiac Energetics, NHLBI, National Institutes of Health, DHHS, Bethesda, Maryland, USA
Magn Reson Med 51:761-7. 2004..The near doubling of temporal resolution that is possible with PR rFOV permits accurate monitoring of highly dynamic events, such as catheter movements, and arrhythmias, such as ventricular ectopy... - Real-time magnetic resonance imaging-guided stenting of aortic coarctation with commercially available catheter devices in SwineAmish N Raval
Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bldg 10, Room 2c713, MSC 1538, Bethesda, MD 20892-1538, USA
Circulation 112:699-706. 2005..Patients may benefit from rtMRI in the future because of combined device and tissue imaging, freedom from ionizing radiation, and the ability to identify serious complications promptly... - Visualization of active devices and automatic slice repositioning ("SnapTo") for MRI-guided interventionsAshvin K George
Translational Medicine Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
Magn Reson Med 63:1070-9. 2010..CurveFind is typically able to reconstruct the device curve, with an average error of approximately 2 mm, even in the case of complex geometries... - Real-time magnetic resonance imaging guidance for cardiovascular proceduresKeith A Horvath
Cardiothoracic Surgery Research Program, National Heart, Lung, and Blood Institute NHLBI, NIH, Bethesda, MD 20892, USA
Semin Thorac Cardiovasc Surg 19:330-5. 2007..Instruments and devices can be marked to enhance visualization and tracking, all of which is an advance over standard X-ray or ultrasonic imaging... - Whole shaft visibility and mechanical performance for active MR catheters using copper-nitinol braided polymer tubesOzgur Kocaturk
Translational Medicine Branch, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
J Cardiovasc Magn Reson 11:29. 2009..We explored the impact of braid material designs on radiofrequency and mechanical performance... - Interventional cardiovascular magnetic resonance: still tantalizingKanishka Ratnayaka
Translational Medicine Branch, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
J Cardiovasc Magn Reson 10:62. 2008..We caution that this reflects our personal view of the "state of the art.".. - Active two-channel 0.035'' guidewire for interventional cardiovascular MRIOzgur Kocaturk
Translational Medicine Branch, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892 1061, USA
J Magn Reson Imaging 30:461-5. 2009.... 
HTGRAPPA: real-time B1-weighted image domain TGRAPPA reconstructionHaris Saybasili
National Institutes of Health, National Heart, Lung, and Blood Institute, DHHS, Bethesda, Maryland 20892 1061, USA
Magn Reson Med 61:1425-33. 2009..The weight-set coefficients were computed in an adaptive manner with updates linked to changes in the imaging scan plane. In this implementation, reconstruction speed is not dependent on acceleration rate or GRAPPA kernel size...
Parallelized hybrid TGRAPPA reconstruction for real-time interactive MRIHaris Saybasili
NHLBI, National Institutes of Health, DHHS, Bethesda, MD, USA
Med Image Comput Comput Assist Interv 11:163-70. 2008..The computation was parallelized and implemented on a general purpose multi-core architecture. Reconstruction speeds of 65-70 frames per second were achieved with a matrix of 192 x 144 with 15 coils...- Real-time interactive MRI-guided cardiac surgery: aortic valve replacement using a direct apical approachElliot R McVeigh
Laboratory of Cardiac Energetics, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892 1061, USA
Magn Reson Med 56:958-64. 2006..MRI-guided beating-heart surgery may provide patients with a less morbid and more durable solution to structural heart disease... - Interventional MRI using multiple 3D angiography roadmaps with real-time imagingHaris Saybasili
Translational Medicine Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892 1061, USA
J Magn Reson Imaging 31:1015-9. 2010..To enhance real-time magnetic resonance (MR)-guided catheter navigation by overlaying colorized multiphase MR angiography (MRA) and cholangiopancreatography (MRCP) roadmaps in an anatomic context... - Myocardial tagging with SSFPDaniel A Herzka
Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
Magn Reson Med 49:329-40. 2003..The increased acquisition efficiency of SSFP allowed decreases in breath-hold duration, or increases in temporal resolution, as compared to FGRE... - Serial cardiac magnetic resonance imaging of injected mesenchymal stem cellsJonathan M Hill
Cardiovascular Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Building 10, Room 2c713, Bethesda, MD 20892-1538, USA
Circulation 108:1009-14. 2003..This technology may permit effective in vivo study of stem cell retention, engraftment, and migration... - Undersampled projection reconstruction for active catheter imaging with adaptable temporal resolution and catheter-only viewsDana C Peters
Laboratory of Cardiac Energetics, National Institutes of Health, Bethesda, Maryland 20892 0161, USA
Magn Reson Med 49:216-22. 2003..Briefly toggling on catheter-only projection images was valuable for verifying that the catheter tip was contained within the selected slice, or for locating the catheter when part of it was outside the selected slice... - Real-time magnetic resonance-guided endovascular repair of experimental abdominal aortic aneurysm in swineVenkatesh K Raman
Cardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute/NIH, Building 10, Rm 2C713, Bethesda, MD 20892-1538, USA
J Am Coll Cardiol 45:2069-77. 2005..Magnetic resonance imaging also permits immediate post-procedural anatomic and functional evaluation of successful aneurysm exclusion... - Phased array ghost elimination (PAGE) for segmented SSFP imaging with interrupted steady-statePeter Kellman
Laboratory of Cardiac Energetics, National Institutes of Health, National Heart, Lung and Blood Institute, Bethesda, Maryland 20892 1061, USA
Magn Reson Med 48:1076-80. 2002..PAGE was demonstrated for cardiac cine SSFP imaging with interrupted steady-state using a simple alpha/2 magnetization preparation and storage scheme and a spatial tagging preparation... - Multishot EPI-SSFP in the heartDaniel A Herzka
Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland 20892 1061, USA
Magn Reson Med 47:655-64. 2002..The increased TR of multishot EPI-SSFP led to a reduced specific absorption rate (SAR) for a fixed RF flip angle, and allowed the use of a larger flip angle without increasing the SAR above the FDA-approved limits... - Catheter-based endomyocardial injection with real-time magnetic resonance imagingRobert J Lederman
Cardiovascular Branch, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1061, USA
Circulation 105:1282-4. 2002..We tested the feasibility of targeted left ventricular (LV) mural injection using real-time MRI (rtMRI)... - Novel technique for cardiac electromechanical mapping with magnetic resonance imaging tagging and an epicardial electrode sockOwen P Faris
Laboratory of Cardiac Energetics, National Institutes of Health, NHLBI, 10 Center Drive, Room B1D416, Bethesda, MD 20892, USA
Ann Biomed Eng 31:430-40. 2003..This method holds promise for improving understanding of the relationships between the patterns of electrical activation and contraction in the heart... - Real-time magnetic resonance imaging-guided endovascular recanalization of chronic total arterial occlusion in a swine modelAmish N Raval
Cardiovascular Branch, Division of Intramural Research, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892-1538, USA
Circulation 113:1101-7. 2006..CONCLUSIONS: Recanalization of long CTO is entirely feasible with the use of rtMRI guidance. Low-profile clinical-grade devices will be required to translate this experience to humans... - Invasive human magnetic resonance imaging: feasibility during revascularization in a combined XMR suiteAlexander J Dick
Cardiovascular Branch, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
Catheter Cardiovasc Interv 64:265-74. 2005..An active quarter-wavelength guidewire coil does not provide superior imaging compared with IVUS, but provides satisfactory guidewire visualization. These tools may prove useful for advanced therapeutic procedures in the future... - Real-time MRI guided atrial septal puncture and balloon septostomy in swineAmish N Raval
Cardiovascular Branch, Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892-1538, USA
Catheter Cardiovasc Interv 67:637-43. 2006..Septostomy achieved a mean left to right shunt ratio of 1.3:1 in these healthy animals. Interactive rtMRI permits rapid transcatheter ASP and BAS in swine. Further technical development may enable novel applications... - Real-time MR imaging-guided laser atrial septal puncture in swineAbdalla A Elagha
Division of Intramural Research, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1538, USA
J Vasc Interv Radiol 19:1347-53. 2008.... - The effect of anteroapical aneurysm plication on end-systolic three-dimensional strain in the sheep: a magnetic resonance imaging tagging studyJulius M Guccione
Department of Surgery, University of California, San Francisco, Calif, USA
J Thorac Cardiovasc Surg 131:579-586.e3. 2006..The primary goal of this study was to quantify the effect of anteroapical aneurysm plication on systolic deformation in noninfarcted adjacent (border zone) and remote left ventricular regions in sheep... - Endoventricular patch plasty for dyskinetic anteroapical left ventricular aneurysm increases systolic circumferential shortening in sheepPeng Zhang
Department of Surgery, University of California, San Francisco, Calif, USA
J Thorac Cardiovasc Surg 134:1017-24. 2007..We tested the hypotheses that the Dor procedure increases systolic circumferential shortening and longitudinal shortening in noninfarcted left ventricular regions in sheep...