Genomes and Genes
magnetic resonance angiography
Summary: Non-invasive method of vascular imaging and determination of internal anatomy without injection of contrast media or radiation exposure. The technique is used especially in CEREBRAL ANGIOGRAPHY as well as for studies of other vascular structures.
Publications348 found, 100 shown here
- Cardiovascular magnetic resonance and single-photon emission computed tomography for diagnosis of coronary heart disease (CE-MARC): a prospective trialJohn P Greenwood
Multidisciplinary Cardiovascular Research Centre and Leeds Institute of Genetics, Health and Therapeutics, University of Leeds, Leeds, UK
Lancet 379:453-60. 2012....
- MR-IMPACT: comparison of perfusion-cardiac magnetic resonance with single-photon emission computed tomography for the detection of coronary artery disease in a multicentre, multivendor, randomized trialJuerg Schwitter
Division of Cardiology, University Hospital Zurich, Raemistrasse 100, CH 8091 Zurich, Switzerland
Eur Heart J 29:480-9. 2008..To determine in a multicentre, multivendor trial the diagnostic performance for perfusion-cardiac magnetic resonance (perfusion-CMR) in comparison with coronary X-ray angiography (CXA) and single-photon emission computed tomography (SPECT)...
- Detection of intracoronary thrombus by magnetic resonance imaging in patients with acute myocardial infarctionC H P Jansen
Division of Imaging Sciences, The Rayne Institute, St Thomas Hospital, King s College London, London, UK
Circulation 124:416-24. 2011..The aim of this study was to investigate the use of non-contrast-enhanced MR for direct thrombus imaging (MRDTI) in patients with acute myocardial infarction...
- Assessment of arterial arrival times derived from multiple inversion time pulsed arterial spin labeling MRIBradley J MacIntosh
FMRIB Centre, Department of Clinical Neurology, University of Oxford, John Radcliffe Hospital, Oxford, UK
Magn Reson Med 63:641-7. 2010..Pulsed arterial spin labeling signals were simulated using an identical sampling scheme as the empiric study and revealed AAT can be estimated robustly when simulated arrival times are well beyond the normal range...
- EuroCMR (European Cardiovascular Magnetic Resonance) registry: results of the German pilot phaseOliver Bruder
Department of Cardiology and Angiology, Elisabeth Hospital, Essen, Germany
J Am Coll Cardiol 54:1457-66. 2009..During its German pilot phase, the EuroCMR (European Cardiovascular Magnetic Resonance) registry sought to evaluate indications, image quality, safety, and impact on patient management of routine CMR...
- Preliminary experience using the Neuroform stent for the treatment of cerebral aneurysmsDavid Fiorella
Department of Neuroradiology, Barrow Neurological Institute, Phoenix, Arizona 85013, USA
Neurosurgery 54:6-16; discussion 16-7. 2004....
- Estimation of labeling efficiency in pseudocontinuous arterial spin labelingSina Aslan
Advanced Imaging Research Center, UT Southwestern Medical Center, Dallas, Texas 75390, USA
Magn Reson Med 63:765-71. 2010..We propose that the labeling efficiency should be estimated using phase-contrast velocity MRI on a subject-specific basis...
- Comparison of magnetic resonance angiography scans on 1.5, 3, and 7 Tesla units: a quantitative study of 3-dimensional cerebrovasculatureWieslaw L Nowinski
Biomedical Imaging Lab, Agency for Science Technology and Research, Singapore
J Neuroimaging 23:86-95. 2013..To compare quality of MR angiography (MRA) acquisitions at various field strengths, we used 3-dimensional (3D) geometric cerebrovascular models extracted from 1.5 T/3 T/7 T scans...
- Nonenhanced magnetic resonance angiography of the lower extremity vessels at 7 tesla: initial experienceAnja Fischer
Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, 45147 Essen, Germany
Invest Radiol 48:525-34. 2013The aim of this study was to investigate the feasibility of nonenhanced magnetic resonance angiography (MRA) of the lower extremities at 7 tesla (T).
- Magnetic resonance angiography of intracranial and extracranial arteries in patients with spontaneous migraine without aura: a cross-sectional studyFaisal Mohammad Amin
Danish Headache Center and Department of Neurology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
Lancet Neurol 12:454-61. 2013..To test that hypothesis, we aimed to measure extracranial and intracranial arteries during attacks of migraine without aura...
- Meta-analysis: Accuracy of contrast-enhanced magnetic resonance angiography for assessing steno-occlusions in peripheral arterial diseaseJan Menke
University Hospital and Evangelisches Krankenhaus, Goettingen, Germany
Ann Intern Med 153:325-34. 2010Contrast-enhanced magnetic resonance angiography (MRA) is a noninvasive, radiation-free imaging method for studying peripheral arterial disease (PAD) of the lower extremities.
- Time-of-flight magnetic resonance angiography at 7 TeslaJohannes T Heverhagen
Department of Radiology, The Ohio State University, Columbus, Ohio 43210 1250, USA
Invest Radiol 43:568-73. 2008b>Magnetic resonance angiography (MRA) is noninvasive and does not require the application of high doses of contrast agents, and thus is used in the clinical routine for evaluation of cerebrovascular diseases, eg, aneurysm and arteriovenous ..
- Cardiac catheterisation guided by MRI in children and adults with congenital heart diseaseReza Razavi
Cardiac Magnetic Resonance Research Group, Division of Imaging, King s College London, Thomas Guy House, London, UK
Lancet 362:1877-82. 2003..Drawbacks include poor soft tissue visualisation and exposure to radiation. We describe the first 16 cases of a novel method of cardiac catheterisation guided by MRI with radiographic support...
- Optimal values of flow velocity on transcranial Doppler in grading middle cerebral artery stenosis in comparison with magnetic resonance angiographyShan Gao
Department of Medicine and Therapeutics, Chinese University of Hong Kong, Shatin, Hong Kong, China
J Neuroimaging 12:213-8. 2002To investigate the optimal values of flow velocity on transcranial Doppler (TCD) in grading the severity of middle cerebral artery (MCA) stenosis in comparison with magnetic resonance angiography (MRA).
- Evaluation of peripheral arterial disease with nonenhanced quiescent-interval single-shot MR angiographyPhilip A Hodnett
Department of Radiology, NorthShore University Healthsystem, 2650 Ridge Ave, Evanston, IL 60201, USA
Radiology 260:282-93. 2011....
- Study of reproducibility of human arterial plaque reconstruction and its effects on stress analysis based on multispectral in vivo magnetic resonance imagingHao Gao
Brunel Institute for Bioengineering, Brunel University, Uxbridge, Middlesex, UK
J Magn Reson Imaging 30:85-93. 2009..To quantify the uncertainties of carotid plaque morphology reconstruction based on patient-specific multispectral in vivo magnetic resonance imaging (MRI) and their impacts on the plaque stress analysis...
- First-pass contrast-enhanced magnetic resonance angiography in humans using ferumoxytol, a novel ultrasmall superparamagnetic iron oxide (USPIO)-based blood pool agentWei Li
Department of Radiology, Evanston Northwestern Healthcare and Northwestern University s Feinberg School of Medicine, Evanston, Illinois, USA
J Magn Reson Imaging 21:46-52. 2005To evaluate the feasibility of first-pass contrast-enhanced magnetic resonance angiography (MRA) using ferumoxytol in humans.
- Time-resolved vessel-selective digital subtraction MR angiography of the cerebral vasculature with arterial spin labelingPhilip M Robson
Department of Radiology, Beth Israel Deaconess Medical Center and Harvard Medical School, 330 Brookline Ave, Ansin 242, Boston, MA 02215, USA
Radiology 257:507-15. 2010....
- In vivo cerebromicrovasculatural visualization using 3D DeltaR2-based microscopy of magnetic resonance angiography (3DDeltaR2-mMRA)Chien Yuan Lin
Interdisciplinary MRI MRS Lab, Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan, ROC
Neuroimage 45:824-31. 2009..3DDeltaR(2)-mMRA (three-dimensional, steady-state DeltaR(2)-based, and flow-independent microscopic magnetic resonance angiography)...
- Joint analysis of structural and perfusion MRI for cognitive assessment and classification of Alzheimer's disease and normal agingDuygu Tosun
Center for Imaging of Neurodegenerative Diseases, Department of Veterans Affairs Medical Center, San Francisco, CA 94121, USA
Neuroimage 52:186-97. 2010..Compared to reduced rCBF, regional cortical thinning better explained the variability in dementia severity. In conclusion, structural brain alterations compared to physiological variations are the dominant features of MRI in AD...
- Magnetic resonance angiography (MRA) in renally impaired patients: when and howGeorg Bongartz
Department of Radiology, University Hospital Basel, Petersgraben 4, 4031 Basel, Switzerland
Eur J Radiol 66:213-9. 2008b>Magnetic resonance angiography (MRA) and NSF in renally impaired patients have a close relationship due to the frequent coincidence of vascular and renal pathologies, the relatively large amount of contrast media applied and the delayed ..
- Time-of-flight magnetic resonance angiography at 7 T using venous saturation pulses with reduced flip anglesSören Johst
Erwin L Hahn Institute for Magnetic Resonance Imaging, University Duisburg Essen, Essen, Germany
Invest Radiol 47:445-50. 2012The visibility of the vasculature in time-of-flight (TOF) magnetic resonance angiography (MRA) highly profits from increased magnetic field strengths...
- Arterial spin labeling at 3.0 Tesla in subacute ischemia: comparison to dynamic susceptibility perfusionS Huck
Department of Neuroradiology, Medical Faculty Mannheim, University of Heidelberg, Theodor Kutzer Ufer 1 3, Mannheim, Germany
Clin Neuroradiol 22:29-37. 2012..0 Tesla, 32-channel head coil) in patients with subacute ischemia...
- Double-oblique free-breathing high resolution three-dimensional coronary magnetic resonance angiographyM Stuber
Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA
J Am Coll Cardiol 34:524-31. 1999..The goal of the present study was to develop a strategy for three-dimensional (3D) volume acquisition along the major axes of the coronary arteries...
- Giant cell arteritis: a review of classification, pathophysiology, geoepidemiology and treatmentAndrea T Borchers
Division of Rheumatology, Allergy and Clinical Immunology, University of California at Davis School of Medicine, Davis, CA 95616, USA
Autoimmun Rev 11:A544-54. 2012..In this review we discuss the pathophysiology of this disease and also the issues of epidemiology and sex differences...
- Aneurysm growth occurs at region of low wall shear stress: patient-specific correlation of hemodynamics and growth in a longitudinal studyLoic Boussel
Department of Radiology, VA Medical Center, San Francisco, USA 94121, USA
Stroke 39:2997-3002. 2008..Low wall shear stress (WSS) has been reported to have a negative effect on endothelial cells normal physiology and may be an important contributor to local remodeling of the arterial wall and to aneurysm growth and rupture...
- Imaging of atherosclerosis: magnetic resonance imagingRoberto Corti
Cardiology, Cardiovascular Center, University Hospital Zurich, Ramistrasse 100, CH 8091 Zurich, Switzerland
Eur Heart J 32:1709-19b. 2011..Such strategy is currently under clinical investigation...
- Carotid artery stents: in vitro comparison of different stent designs and sizes using CT angiography and contrast-enhanced MR angiography at 1.5T and 3TM Lettau
Department of Neurology, University of Heidelberg Medical Center, Heidelberg, Germany
AJNR Am J Neuroradiol 30:1993-7. 2009..5T, and CE-MRA at 3T for the visualization of carotid artery stents and to define the best noninvasive imaging technique as an alternative to conventional angiography for each stent...
- Quantification and detectability of in-stent stenosis with CT angiography and MR angiography in arterial stents in vitroMelanie B Blum
Division of Angiography and Interventional Radiology, Department of Radiology, Medical University of Vienna, Wahringer Gurtel 18 20, 1090 Vienna, Austria
AJR Am J Roentgenol 189:1238-42. 2007..The purpose of this study was to compare CT angiography (CTA) and MR angiography (MRA) for the detectability of 75% and 95% stenoses in phantoms using six different stents...
- Magnetic resonance-derived 3-dimensional blood flow patterns in the main pulmonary artery as a marker of pulmonary hypertension and a measure of elevated mean pulmonary arterial pressureGert Reiter
Siemens Medical Solutions, Graz, Austria
Circ Cardiovasc Imaging 1:23-30. 2008..Such pathological altered pressures in the pulmonary vascular system should lead to changes in blood flow patterns in the main pulmonary artery...
- Magnetic resonance angiography in reversible cerebral vasoconstriction syndromesShih Pin Chen
Institute of Clinical Medicine, Fu Jen Catholic University, Taipei, Taiwan
Ann Neurol 67:648-56. 2010To investigate the evolution and clinical significance of vasoconstriction on magnetic resonance angiography (MRA) in patients with reversible cerebral vasoconstriction syndromes (RCVS).
- Endovascular coil embolization of very small intracranial aneurysmsJin Ho Hwang
Department of Radiology, Konkuk University Medical Center, 4 12 Hwayang dong, Gwangjin gu, Seoul, 143 729, South Korea
Neuroradiology 53:349-57. 2011..We report clinical and angiographic results of coil embolization of these aneurysms...
- Single breath-hold whole-heart MRA using variable-density spirals at 3TJuan M Santos
Magnetic Resonance Systems Research Laboratory, Department of Electrical Engineering, Stanford University, Stanford, California 94305, USA
Magn Reson Med 55:371-9. 2006..This is combined with real-time localization and a real-time prospective shim correction. Images are reconstructed with the use of gridding, and advanced techniques are used to reduce aliasing artifacts...
- MRI and FDG-PET in the assessment of inflammatory aortic arch syndrome in complicated courses of giant cell arteritisM Both
University Hospital Schleswig Holstein, Campus Kiel, Department of Diagnostic Radiology, Arnold Heller Strasse 9, 24105 Kiel, Germany
Ann Rheum Dis 67:1030-3. 2008..To evaluate the use of MRI and FDG-PET for the diagnosis and measurement of disease activity of inflammatory aortic arch syndrome in patients with complicated giant cell arteritis...
- Whole-body 3D MR angiography of patients with peripheral arterial occlusive diseaseChristoph U Herborn
Department of Diagnostic and Interventional Radiology, University Hospital Essen, Hufelandstrasse 55, Essen 45122, Germany
AJR Am J Roentgenol 182:1427-34. 2004..Separate blinded data analyses were performed by two radiologists. Additional vascular disease detected by whole-body MR angiography was subsequently assessed on sonography, dedicated MR angiography, or both...
- Improved coronary artery definition with T2-weighted, free-breathing, three-dimensional coronary MRAR M Botnar
Department of Medicine, Cardiovascular Division, Department of Radiology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
Circulation 99:3139-48. 1999Three-dimensional (3D) navigator-gated and prospectively corrected free-breathing coronary magnetic resonance angiography (MRA) allows for submillimeter image resolution but suffers from poor contrast between coronary blood and myocardium...
- Evidence-based guideline update: determining brain death in adults: report of the Quality Standards Subcommittee of the American Academy of NeurologyEelco F M Wijdicks
Division of Critical Care Neurology, Mayo Clinic, Rochester, MN, USA
Neurology 74:1911-8. 2010..that falsely suggest retained brain function sometimes observed in brain death? What is the comparative safety of techniques for determining apnea? Are there new ancillary tests that accurately identify patients with brain death?..
- Validation of magnetic resonance myocardial perfusion imaging with fractional flow reserve for the detection of significant coronary heart diseaseStuart Watkins
Golden Jubilee National Hospital, Department of Cardiology, Beardmore St, Clydebank, Glasgow, G81 4HX
Circulation 120:2207-13. 2009..Pressure wire-derived fractional flow reserve (FFR) values <0.75 correlate closely with objective evidence of reversible ischemia. Accordingly, we have compared MRMPI with FFR...
- Atherosclerotic disease: whole-body cardiovascular imaging with MR system with 32 receiver channels and total-body surface coil technology--initial clinical resultsMichael Fenchel
Department of Diagnostic Radiology, Eberhard Karls University, Hoppe Seyler Strasse 3, 72076 Tuebingen, Germany
Radiology 238:280-91. 2006..For patients suspected of having systemic atherosclerotic disease, comprehensive risk assessment is feasible within 30 minutes...
- Hyperacute ischemic stroke: middle cerebral artery susceptibility sign at echo-planar gradient-echo MR imagingAlex Rovira
Department of Radiology, Magnetic Resonance Unit, Hospital Universitari Vall d Hebron, Passeig Vall d Hebron 119 129, 08035 Barcelona, Spain
Radiology 232:466-73. 2004..To evaluate the accuracy of echo-planar T2*-weighted magnetic resonance (MR) sequences in detection of acute middle cerebral artery (MCA) or internal carotid artery (ICA) thrombotic occlusion...
- Detection of neovessels in atherosclerotic plaques of rabbits using dynamic contrast enhanced MRI and 18F-FDG PETClaudia Calcagno
FAHA, FACC, Translational and Molecular Imaging Institute, Mount Sinai School of Medicine, One Gustave L Levy Place, Box 1234, New York, NY 10029, USA
Arterioscler Thromb Vasc Biol 28:1311-7. 2008..Our aim was to test 2 techniques, black blood dynamic contrast enhanced MRI (DCE-MRI) and 18-fluorine-fluorodeoxyglucose (18F-FDG) PET, to quantify inflammation expressed as plaque neovessels content in a rabbit model of atherosclerosis...
- MR angiography of the cerebral perforating arteries with magnetization prepared anatomical reference at 7 T: comparison with time-of-flightJaco J M Zwanenburg
Image Sciences Institute, University Medical Center, Utrecht, Netherlands
J Magn Reson Imaging 28:1519-26. 2008..To develop a magnetic resonance imaging (MRI) protocol that visualizes both the perforating arteries and the related anatomy in a single acquisition at 7 T...
- Utility of high resolution MR imaging to assess carotid plaque morphology: a comparison of acute symptomatic, recently symptomatic and asymptomatic patients with carotid artery diseaseUmar Sadat
University Department of Radiology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
Atherosclerosis 207:434-9. 2009....
- Management of intracranial vertebral artery dissections initially presenting without subarachnoid hemorrhageIsao Naito
Department of Neurosurgery, Geriatrics Research Institute and Hospital, Maebashi, Japan
Neurosurgery 51:930-7; discussion 937-8. 2002..The clinical and angiographic follow-up results for intracranial vertebral artery (VA) dissections that initially presented without subarachnoid hemorrhage (SAH) were retrospectively investigated, to clarify their management...
- Accuracy of dynamic perfusion CT with deconvolution in detecting acute hemispheric strokeMax Wintermark
Department of Radiology, Neuroradiology Section, University of California, San Francisco, USA
AJNR Am J Neuroradiol 26:104-12. 2005..We determined the accuracy of these maps in patients with suspected acute hemispheric stroke...
- Intracranial aneurysms treated with coil placement: test characteristics of follow-up MR angiography--multicenter studyJoanna D Schaafsma
Department of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands
Radiology 256:209-18. 2010..To determine the test characteristics of magnetic resonance (MR) angiography in the assessment of occlusion of aneurysms treated with coil placement...
- Epidemiology, associated factors, and prognostic outcomes of renal artery stenosis in chronic heart failure assessed by magnetic resonance angiographyRamesh de Silva
Academic Cardiology, University of Hull, Castle Hill Hospital, Cottingham, East Yorkshire, United Kingdom
Am J Cardiol 100:273-9. 2007..A stenosis of >50% using magnetic resonance angiography of the renal arteries was used to define significant RAS...
- Differentiation of recurrent glioblastoma multiforme from radiation necrosis after external beam radiation therapy with dynamic susceptibility-weighted contrast-enhanced perfusion MR imagingRamon F Barajas
Department of Radiology, Neuroradiology Section, University of California, San Francisco, CA 94143, USA
Radiology 253:486-96. 2009....
- Magnetic resonance imaging permits in vivo monitoring of catheter-based vascular gene deliveryX Yang
Department of Radiology, Johns Hopkins Hospital, Baltimore, MD, USA
Circulation 104:1588-90. 2001..CONCLUSIONS: We present a technical development that uses high-resolution MR imaging as an in vivo imaging tool to monitor catheter-based vascular gene delivery...
- Angiographic pattern of symptomatic severe M1 stenosis: comparison with presenting symptoms, infarct patterns, perfusion status, and outcome after recanalizationJin Woo Choi
Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Seoul, Republic of Korea
Cerebrovasc Dis 29:297-303. 2010..We have assessed the relationship between these angiographic patterns and patient presenting symptoms, infarct patterns, perfusion status and outcome after recanalization...
- Dynamic contrast-enhanced MRI of muscle perfusion combined with MR angiography of collateral artery growth in a femoral artery ligation modelQuido G de Lussanet
Department of Radiology, Maastricht University Hospital, Maastricht, The Netherlands
NMR Biomed 20:717-25. 2007..0 on day 21 in the ligated limb only. Combined DCE-MRI and MRA allows non-invasive serial monitoring of changes in muscle blood flow and growth of sub-millimeter sized collateral arteries in a rabbit femoral artery ligation model...
- Cardiovascular magnetic resonance at 3.0 T: current state of the artJohn N Oshinski
Department of Radiology, Emory University School of Medicine, 1364 Clifton Road, Room AG34, Atlanta, GA 30322, USA
J Cardiovasc Magn Reson 12:55. 2010..Specifically, we will review cine imaging, MR coronary angiography, myocardial perfusion imaging, late gadolinium enhancement, and vascular wall imaging...
- Role of magnetic resonance angiography in the diagnosis of major aortopulmonary collateral arteries and partial anomalous pulmonary venous drainageSanjay K Prasad
Cardiovascular Magnetic Resonance Unit, Royal Brompton Hospital, London, United Kingdom
Circulation 109:207-14. 2004..Three-dimensional contrast-enhanced magnetic resonance angiography (MRA) provides a minimally invasive technique to allow detailed studies in a single breath-hold.
- Magnetic resonance imaging profiles predict clinical response to early reperfusion: the diffusion and perfusion imaging evaluation for understanding stroke evolution (DEFUSE) studyGregory W Albers
Department of Neurology and Neurological Sciences and the Stanford Stroke Center, Stanford University Medical Center, Stanford, CA 94304, USA
Ann Neurol 60:508-17. 2006..To determine whether prespecified baseline magnetic resonance imaging (MRI) profiles can identify stroke patients who have a robust clinical response after early reperfusion when treated 3 to 6 hours after symptom onset...
- Time-of-flight MR angiography targeted to coiled intracranial aneurysms is more sensitive to residual flow than is digital subtraction angiographyNaoaki Yamada
Department of Radiology and Nuclear Medicine, National Cardiovascular Center, Osaka, Japan
AJNR Am J Neuroradiol 25:1154-7. 2004..The purpose of this study was to establish a noninvasive technique to visualize residual flow in coiled aneurysms...
- In vitro evaluation of intravascular stent artifacts in three-dimensional MR angiographyD Maintz
Department of Diagnostic Radiology, University of Cologne, School of Medicine, Cologne, Germany
Invest Radiol 36:218-24. 2001..To evaluate the intraluminal signal characteristics of various stents and stent-grafts in contrast-enhanced three-dimensional MR angiography (3D MRA) in vitro...
- Quantitative evaluation of susceptibility and shielding effects of nitinol, platinum, cobalt-alloy, and stainless steel stentsYi Wang
Department of Radiology, Weill Medical College of Cornell University, New York, New York, USA
Magn Reson Med 49:972-6. 2003..All stents have substantial shielding effects, which vary with composition, geometry, and orientation. Large platinum stents may have the smallest artifacts and are the best suited for postinterventional MR imaging...
- Non-invasive measurement of perfusion: a critical review of arterial spin labelling techniquesE T Petersen
Department of Neuroradiology, National Neuroscience Institute, Singapore
Br J Radiol 79:688-701. 2006..In particular, the perfusion quantification methods, including the problems and pitfalls involved, are thoroughly discussed in this article. Finally, a brief summary of applications is provided...
- Multimodality imaging of atherosclerotic plaque activity and composition using FDG-PET/CT and MRI in carotid and femoral arteriesStephane S Silvera
Sinai Translational and Molecular Imaging Institute and Imaging Science Laboratories, Mount Sinai School of Medicine, One Gustave L Levy Place, New York, NY 10029, USA
Atherosclerosis 207:139-43. 2009....
- MR imaging of vascular stents: effects of susceptibility, flow, and radiofrequency eddy currentsL W Bartels
Department of Radiology, Image Sciences Institute, University Medical Center Utrecht, Heidelberglaan, The Netherlands
J Vasc Interv Radiol 12:365-71. 2001..The purpose of this in vitro study was to examine the various sources of artifacts in magnetic resonance (MR) imaging and angiography of vascular stents...
- Quantification of pain-induced changes in cerebral blood flow by perfusion MRID G Owen
Lawson Health Research Institute, St Joseph s Health Care London, 268 Grosvenor Street, London, Ont, Canada N6A 4V2
Pain 136:85-96. 2008..97ml/100g/min in ipsilateral thalamus to 4.91ml/100g/min in contralateral insula. The average resting global CBF was 54+/-9.7ml/100g/min, and there was no change in global CBF due to the noxious thermal stimulus...
- Role of imaging studies in the diagnosis and follow-up of large-vessel vasculitis: an updateN Pipitone
Rheumatology Department, Arcispedale Santa Maria Nuova, Viale Risorgimento, 80, I 42100 Reggio Emilia, Italy
Rheumatology (Oxford) 47:403-8. 2008..Imaging procedures can also be used to monitor the disease course. However, imaging signs of inflammation may sometimes persist despite clinical remission and, conversely, seemingly unaffected vessels may develop alterations later on...
- Comparative overview of brain perfusion imaging techniquesMax Wintermark
Department of Radiology, University of California, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
Stroke 36:e83-99. 2005..All of them are used to characterize the same types of pathological conditions. However, each technique has its own advantages and drawbacks...
- Quiescent-interval single-shot unenhanced magnetic resonance angiography of peripheral vascular disease: Technical considerations and clinical feasibilityRobert R Edelman
Department of Radiology, NorthShore University Healthsystem, Evanston, Illinois, USA
Magn Reson Med 63:951-8. 2010..Moreover, the technique provides consistent image quality in the pelvic region despite the presence of respiratory and bowel motion...
- Vessel tortuosity and brain tumor malignancy: a blinded studyElizabeth Bullitt
Department of Surgery, University of North Carolina, Chapel Hill, CASILab, 349 Wing C, CB 7062, Chapel Hill, NC 27599, USA
Acad Radiol 12:1232-40. 2005..The ability to detect and quantify tortuosity abnormalities on high-resolution magnetic resonance angiography (MRA) images offers a new approach to the noninvasive diagnosis of malignancy...
- Three-dimensional anatomy of the left atrium by magnetic resonance angiography: implications for catheter ablation for atrial fibrillationMoussa Mansour
Division of Cardiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, USA
J Cardiovasc Electrophysiol 17:719-23. 2006..A detailed anatomical characterization of these regions has not been previously reported...
- Separation of macrovascular signal in multi-inversion time arterial spin labelling MRIMichael A Chappell
Centre for Functional MRI of the Brain, University of Oxford, John Radcliffe Hospital, Headington, Oxford, UK
Magn Reson Med 63:1357-65. 2010....
- Quantitative assessment of ventricular function using three-dimensional SSFP magnetic resonance angiographyGerald F Greil
Department of Pediatric Cardiology, Children s Hospital, University of Tuebingen, Tuebingen, Germany
J Magn Reson Imaging 26:288-95. 2007To evaluate three-dimensional (3D), free-breathing, steady-state free precession (SSFP) magnetic resonance angiography (MRA) for volumetric assessment of ventricular function.
- Usefulness of magnetic resonance angiography in the evaluation of complex congenital heart disease in newborns and infantsAshwin Prakash
Division of Pediatric Cardiology, Columbia University College of Physicians and Surgeons, New York, New York, USA
Am J Cardiol 100:715-21. 2007This study evaluated the quality of the visualization of extracardiac thoracic vessels by magnetic resonance angiography (MRA) in young infants with congenital heart disease...
- A total atherosclerotic score for whole-body MRA and its relation to traditional cardiovascular risk factorsT Hansen
Institution of ORKI, Department of Radiology, Uppsala University Hospital, Sjukhusvägen 1 A, S 753 09 Uppsala, Sweden
Eur Radiol 18:1174-80. 2008The aim of this study was to create a scoring system for whole-body magnetic resonance angiography (WBMRA) that allows estimation of atherosclerotic induced luminal narrowing, and determine whether the traditional cardiovascular (CV) risk ..
- Comparison of intracranial 3D-ToF-MRA with and without parallel acquisition techniques at 1.5T and 3.0T: preliminary resultsJ Gaa
Institute of Neuroradiology, University of Frankfurt, Germany
Acta Radiol 45:327-32. 2004To evaluate the performance of four 3D-ToF magnetic resonance angiography (MRA) sequences with and without integrated parallel acquisition techniques (iPAT) at 1.5T and 3.0T in imaging intracranial vessels.
- Weighted local variance-based edge detection and its application to vascular segmentation in magnetic resonance angiographyMax W K Law
Lo Kwee Seong Medical Image Analysis Laboratory, Department of Computer Science and Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong
IEEE Trans Med Imaging 26:1224-41. 2007..detection of vessel boundaries is particularly important for a precise extraction of vasculatures in magnetic resonance angiography (MRA)...
- 3D radial sampling and 3D affine transform-based respiratory motion correction technique for free-breathing whole-heart coronary MRA with 100% imaging efficiencyHimanshu Bhat
Department of Radiology, Northwestern University, Chicago, IL, USA
Magn Reson Med 65:1269-77. 2011..tracking approach currently used for respiratory motion compensation during free-breathing coronary magnetic resonance angiography (MRA) has low imaging efficiency (typically 30-50%), resulting in long imaging times...
- Nonenhanced MR angiographyMitsue Miyazaki
Department of MRI, Toshiba Medical Research Institute USA, 990 Corporate Woods Pkwy, Vernon Hills, IL 60061, USA
Radiology 248:20-43. 2008..Developments on the horizon include techniques that provide time-resolved imaging for assessment of flow dynamics by using nonenhanced approaches...
- CURVES: curve evolution for vessel segmentationL M Lorigo
Artificial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA, USA
Med Image Anal 5:195-206. 2001..structures in three-dimensional imagery, with the primary application of segmenting vasculature in magnetic resonance angiography (MRA) images...
- Gadofosveset trisodium-enhanced magnetic resonance angiography of the left atrium--a feasibility studyMoritz Wagner
Department of Radiology, Charite University Hospital, Berlin, Germany
Eur J Radiol 75:166-72. 2010..The aim of the study was to evaluate the feasibility of contrast-enhanced high-resolution magnetic resonance angiography (MRA) of the left atrium using the blood-pool contrast agent gadofosveset trisodium in comparison to ..
- Usefulness of contrast-enhanced magnetic resonance angiography for follow-up of coil embolization with the enterprise stent for cerebral aneurysmsKatsutoshi Takayama
Department of Radiology and Interventional Neuroradiology, Ishinkai Yao General Hospital, Osaka, Japan
J Comput Assist Tomogr 35:568-72. 2011The aim of this study was to determine the feasibility and usefulness of contrast-enhanced magnetic resonance angiography (CE-MRA) and 3-dimensional (3D) time-of-flight (TOF) MRA for follow-up of intracranial aneurysms treated using the ..
- Three-dimensional imaging of pulmonary veins by a novel steady-state free-precession magnetic resonance angiography technique without the use of intravenous contrast agent: initial experienceMayil S Krishnam
Department of Radiological Sciences, UCLA Medical Center, Los Angeles, CA 90095 7206, USA
Invest Radiol 44:447-53. 2009To evaluate the feasibility of 3-dimensional (3D) steady-state free-precession (SSFP) magnetic resonance angiography (MRA) using nonselective radiofrequency excitation for imaging of pulmonary veins (PVs) without intravenous gadolinium ..
- Clinical applications of susceptibility weighted imaging in patients with major strokePoyin Huang
Department of Neurology, Kaohsiung Medical University, Kaohsiung, Taiwan
J Neurol 259:1426-32. 2012..Patients with SVS were also more likely to develop later brain edema. Including SWI in routine MR protocols for major acute ischemic stroke would be worthwhile...
- Magnetic resonance angiography in extracranial giant cell arteritisMarcel Koenigkam-Santos
Department of Radiology, School of Medicine of Ribeirao Preto, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
J Clin Rheumatol 17:306-10. 2011..Noninvasive diagnosis of giant cell arteritis (GCA) remains challenging, particularly with regard to evaluation of extracranial arterial disease...
- Time-of-flight magnetic resonance angiography of the canine brain at 3.0 Tesla and 7.0 TeslaPaula Martin-Vaquero
Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, USA
Am J Vet Res 72:350-6. 2011To evaluate the ability of 2-D time-of-flight (ToF) magnetic resonance angiography (MRA) to depict intracranial vasculature and compare results obtained with 3.0- and 7.0-T scanners in dogs.
- Total atherosclerotic burden by whole body magnetic resonance angiography predicts major adverse cardiovascular eventsChristina Lundberg
Department of Radiology, Uppsala University Hospital, 75185 Uppsala, Sweden
Atherosclerosis 228:148-52. 2013..Score (TAS), a measurement of the overall atherosclerotic burden of the arterial tree by whole body magnetic resonance angiography (WBMRA), and the risk of major adverse cardiovascular events (MACE), defined as cardiac death, ..
- Phase contrast and time-of-flight magnetic resonance angiography of the intracerebral arteries at 1.5, 3 and 7 TAnna C Stamm
Department of Diagnostic Radiology, Philipps University, Marburg, Germany
Magn Reson Imaging 31:545-9. 2013..The purpose of this study was to compare the ability of ToF and PC MRA to visualize the cerebral arteries at increasing field strengths...
- Time-resolved 3D contrast-enhanced MRA on 3.0T: a non-invasive follow-up technique after stent-assisted coil embolization of the intracranial aneurysmJin Woo Choi
Department of Radiology, Konkuk University School of Medicine, Seoul 143 729, Korea
Korean J Radiol 12:662-70. 2011To evaluate the usefulness of time-resolved contrast enhanced magnetic resonance angiography (4D MRA) after stent-assisted coil embolization by comparing it with time of flight (TOF)-MRA.
- Whole-heart coronary MR angiography with 2D self-navigated image reconstructionMarkus Henningsson
Division of Imaging Sciences and Biomedical Engineering, King s College London, London, United Kingdom
Magn Reson Med 67:437-45. 2012..The visualized vessel length of the right coronary artery could be significantly improved with a multiple targeted 2D self-navigation approach, compared to 2DSN method...
- A fast analysis method for non-invasive imaging of blood flow in individual cerebral arteries using vessel-encoded arterial spin labelling angiographyMichael A Chappell
Institute of Biomedical Engineering, University of Oxford, Old Road Campus, Headington, Oxford OX3 7DQ, UK
Med Image Anal 16:831-9. 2012..The final algorithm is demonstrated on in vivo data with analysis on a time scale of the order of 10min, from both a healthy control and a patient with a vertebro-basilar occlusion...
- A kinetic model for vessel-encoded dynamic angiography with arterial spin labelingThomas W Okell
Centre for Functional Magnetic Resonance Imaging of the Brain, Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom
Magn Reson Med 68:969-79. 2012..Relative volume flow rates in downstream vessels are also quantified, showing the relative importance of each feeding artery. This framework is likely to be of use in assessing collateral blood flow in patient groups...
- Aortopulmonary collaterals after bidirectional cavopulmonary connection or Fontan completion: quantification with MRILars Grosse-Wortmann
The Labatt Family Heart Center and the Department of Diagnostic Imaging, The Hospital for Sick Children, The University of Toronto, Toronto, Ontario, Canada
Circ Cardiovasc Imaging 2:219-25. 2009..We aimed to quantify APC flow after bidirectional cavopulmonary connections and Fontan completions, using phase-contrast MRI, and to identify risk factors for the development of APCs...
- Respiratory self-navigation for whole-heart bright-blood coronary MRI: methods for robust isolation and automatic segmentation of the blood poolDavide Piccini
Pattern Recognition Lab, Department of Computer Science, Friedrich Alexander University of Erlangen Nuremberg, Erlangen, Germany
Magn Reson Med 68:571-9. 2012..Self-navigation was successful in all cases and the acquisition time was reduced up to 63%. Equivalent or slightly superior image quality, vessel length, and sharpness were achieved...
- Quantitative cerebral blood flow in dynamic susceptibility contrast MRI using total cerebral flow from phase contrast magnetic resonance angiographyDavid Bonekamp
Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University, Baltimore, Maryland 21287, United States
Magn Reson Med 66:57-66. 2011..e., whole brain) cerebral blood flow in individual subjects using phase contrast magnetic resonance angiography. The method was applied to data from 11 patients with intracranial pathology...
- Comparative velocity investigations in cerebral arteries and aneurysms: 3D phase-contrast MR angiography, laser Doppler velocimetry and computational fluid dynamicsDorothea I Hollnagel
Institute of Neuroradiology, University Hospital Zurich, Zurich, Switzerland
NMR Biomed 22:795-808. 2009..Velocity mapping with phase-contrast magnetic resonance angiography (PC-MRA) is a non-invasive method for performing in vivo measurements on blood velocity...
- Myocardial perfusion imaging using adenosine-induced stress dual-energy computed tomography of the heart: comparison with cardiac magnetic resonance imaging and conventional coronary angiographySung Min Ko
Department of Radiology, Konkuk University Hospital, Konkuk University School of Medicine, 4 12 Hwayang dong, Gwangjin gu, Seoul, 143 729, Korea
Eur Radiol 21:26-35. 2011....
- Peripheral arterial occlusive disease: evaluation of a high spatial and temporal resolution 3-T MR protocol with a low total dose of gadolinium versus conventional angiographyUlrike I Attenberger
Institute of Clinical Radiology and Nuclear Medicine, University Medical Center Mannheim, Medical Faculty Mannheim, University of Heidelberg, Theodor Kutzer Ufer 1 3, 68167 Mannheim, Germany
Radiology 257:879-87. 2010..1 mmol per kilogram of body weight...
- Myocardial blood flow quantification from MRI by deconvolution using an exponential approximation basisGilion Hautvast
Imaging Systems MR, Philips Healthcare, Best 5684 PC, Netherlands
IEEE Trans Biomed Eng 59:2060-7. 2012..Together with automated respiratory motion correction myocardial contour delineation, the exponential deconvolution enables efficient and reproducible quantification of myocardial blood flow in clinical routine...
- Three-dimensional T2-weighted MRI of the human femoral arterial vessel wall at 3.0 TeslaZhuoli Zhang
Department of Radiology, Northwestern University, Chicago, IL, USA
Invest Radiol 44:619-26. 2009..To evaluate the potential use of a novel 3D turbo spin-echo (TSE) T2-weighted (T2w) technique for assessing the vessel wall in the superficial femoral artery at 3.0 T...
- MR angiography, MR imaging and proton MR spectroscopy in-vivo assessment of skeletal muscle ischemia in diabetic ratsStefano Delli Pizzi
Department of Neuroscience and Imaging, Institute for Advanced Biomedical Technologies, G d Annunzio University Foundation, Chieti, Italy
PLoS ONE 7:e44752. 2012..Combined MR techniques can be used to demonstrate the presence of structural and metabolic changes produced by iliac-femoral artery occlusion in rat diabetic model of limb ischemia...
- Submillimeter three-dimensional coronary MR angiography with real-time navigator correction: comparison of navigator locationsM Stuber
Cardiovascular Division, Beth Israel Deaconess Medical Center, Boston, MA, USA
Radiology 212:579-87. 1999Three-dimensional free-breathing coronary magnetic resonance angiography was performed in eight healthy volunteers with use of real-time navigator technology...
- Novel magnetic resonance angiography stage grading for moyamoya diseaseKiyohiro Houkin
Department of Neurosurgery, Sapporo Medical University, Japan
Cerebrovasc Dis 20:347-54. 2005b>Magnetic resonance angiography (MRA) has been acknowledged as a noninvasive diagnostic modality for moyamoya disease. However, in terms of staging of moyamoya disease, conventional angiography is still the gold standard...
- Improved renal perfusion measurement with a dual navigator-gated Q2TIPS fair techniqueRuitian Song
Department of Radiological Sciences, Division of Translational Imaging Research, St Jude Children s Research Hospital, Memphis, Tennessee 38105 3678, USA
Magn Reson Med 64:1352-9. 2010..The proposed technique may prove most beneficial for noncontrast-based renal perfusion quantification in young children and patients who may have difficulty holding their breath for prolonged periods or are sedated/anesthetized...
- Simultaneous MR arteriography and venography with blood pool contrast agent detects deep venous thrombosis in suspected arterial diseaseDariusch R Hadizadeh
Department of Radiology, University of Bonn, Germany
AJR Am J Roentgenol 198:1188-95. 2012....
- Whole-heart coronary magnetic resonance angiography with MS-325 (Gadofosveset)Sebastian Kelle
Department of Internal Medicine Cardiology, Deutsches Herzzentrum Berlin, Germany
Med Sci Monit 13:CR469-474. 2007..The aim of the study was to evaluate the feasibility of whole-heart contrast-enhanced MRCA using the intravascular contrast agent gadofosveset, formerly known as MS-325...
- Changes in neural response to eating after bariatric surgery: MRI resultsThomas A Wadden; Fiscal Year: 2013..In addition, we will serially measure postprandial changes in appetite-regulating hormones and examine the relationships between neural and endocrine response to food consumption. ..
- ARFI ultrasound for noninvasive, Diagnostic atherosclerosis imagingCaterina M Gallippi; Fiscal Year: 2013..atherosclerosis, including digital subtraction angiography as well as noninvasive alternatives such as magnetic resonance angiography (MRA) and duplex ultrasound...
- Optical Tomographic Imaging of Peripheral Arterial DiseaseAndreas H Hielscher; Fiscal Year: 2013..in non- diabetics, ABI with PVR and all other existing diagnostic tests (such as Duplex Ultrasound or Magnetic resonance angiography), only provides accurate information about proximal occlusions in major arteries of the leg...
- PREVENTION OF HEMODIALYSIS VASCULAR ACCESS STENOSISAlfred K Cheung; Fiscal Year: 2010..administered using sustained-delivery systems;(4) adapt and refine 3D imaging modalities, including magnetic resonance angiography (MRA), for more accurate quantification of stenosis progression and drug efficacy at the graft ..
- Non-Contrast Magnetic Resonance Angiography of Peripheral Vascular DiseaseRobert R Edelman; Fiscal Year: 2013..a set of novel technologies that will largely eliminate the need to administer contrast agents during magnetic resonance angiography in order to diagnose peripheral vascular disease...
- Effects of Vascular Health, Aging, and HAART on Cognition in HIV: A Pilot StudyHoward A Crystal; Fiscal Year: 2013..evaluated with 4 measures of vascular health (carotid ultrasound, transcranial color dopplers (TCCD), magnetic resonance angiography, and quantitative digital retinal photography (QRP))...
- Contrast-Enhanced Whole-Heart Coronary MRA at 3.0TDebiao Li; Fiscal Year: 2012..0-Tesla systems. Magnetic resonance angiography (MRA) is a promising screening test to select candidates for conventional angiography...
- Functional Magnetic Resonance Angiography (fMRA) of the BrainPATRICK ALAN TURSKI; Fiscal Year: 2010..PUBLIC HEALTH RELEVANCE: Functional Magnetic Resonance Angiography (fMRA) is a method to visualize the vascular structures of the brain...
- Reconstruction and Mapping of Human Brain VasculatureJUAN R contact CEBRAL; Fiscal Year: 2010..characterization of brain vasculature and its variability among normal subjects from non-invasive magnetic resonance angiography (MRA)...
- Pediatric template of brain perfusionDANNY JIONG JIONG WANG; Fiscal Year: 2013....
- 25th Annual Workshop on Magnetic Resonance AngiographyYi Wang; Fiscal Year: 2013DESCRIPTION (provided by applicant): The objective of the "25th Annual Workshop on Magnetic Resonance Angiography" (referred to as MRA workshop hereafter) is to provide a forum for scientists and clinicians interested in MR angiography ..
- Microvascular Measures of Perfusion in Stroke RecanalizationMichael E Moseley; Fiscal Year: 2013..abstract_text> ..
- The Intracranial Atherosclerotic Disease and Cognitive Impairment StudyBruce A Wasserman; Fiscal Year: 2013..We plan to acquire magnetic resonance angiography (MRA) studies on these 2000 subjects at the same time MRI images are being acquired for ARIC-NCS...
- Vertebrobasilar Flow Evaluation and Risk of Transient Ischemic Attack and StrokeSepideh Amin-Hanjani; Fiscal Year: 2012..intracranial blood flow, the extent of which can be measured noninvasively using quantitative magnetic resonance angiography (QMRA)...
- SPECIMEN BASED ACCURACY OF CAROTID STENOSIS EVALUATIONDavid Saloner; Fiscal Year: 1999..to assess stenosis at the carotid bifurcation, namely Doppler Ultrasound Catheter Angiography, and Magnetic Resonance Angiography. The gold standard by which these modalities will be evaluated will be the endarterectomy specimen ..
- SEVERE DIFFUSE TRAUMATIC BRAIN INJURYP David Adelson; Fiscal Year: 2001....
- MRI-Guided Angioplasty of Renal Artery StenosisReed Omary; Fiscal Year: 2005..In swine, the proposal aims to test the hypotheses that: 1) Intra-arterial gadolinium-enhanced magnetic resonance angiography (MRA) depicts renal arterial lumen caliber as accurately as x-ray angiography; 2) The technical ..
- VASCULAR FUNCTION BY MAGNETIC RESONANCE ANGIOGRAPHYHARRY SILBER; Fiscal Year: 2005..Using phase-contrast magnetic resonance angiography, we have shown a linear relationship between wall shear stress during peak reactive hyperemia and ..
- MR ASSESSMENT OF MAGNESIUM IN ACUTE STROKEChelsea Kidwell; Fiscal Year: 2003..abstract_text> ..
- MAPPING INTRACRANIAL ANEURYSM SUSCEPTIBILITY LOCILisa Cannon Albright; Fiscal Year: 2001..are to identify high-risk families, screen relatives of affected individuals using high resolution magnetic resonance angiography to detect aneurysms, collect blood samples for DNA from family members, characterize familial ..
- MRI OF RENAL ANATOMY AND FUNCTION IN CHRONIC ISCHEMIAFrank Sommer; Fiscal Year: 2002..obtained through further development of successful existing techniques for ultrafast contrast-enhanced magnetic resonance angiography (MRA)...
- Induced Hypertension for Acute Ischemic StrokeRobert Wityk; Fiscal Year: 2004..An association of improved function, with reduction in the volume of mismatch, will support the proposed physiology. ..
- HYPERTENSION, COGNITION, AND THE BRAIN IN OLDER ADULTSSHARI WALDSTEIN; Fiscal Year: 2002..imaging (MRI) ratings of microvascular disease involving periventricular and deep white matter; (3) magnetic resonance angiography (MRA) ratings of macrovascular disease of the cerebral and cervicocerebral arteries; and (4) relative ..
- MRI Evaluation of Infarct Induced Ventricular RemodelingAARON BLOM; Fiscal Year: 2007..unreadable] [unreadable] [unreadable]..
- RAPID MR ANGIOGRAPHY WITH REDUCED ARTIFACTJAMES PIPE; Fiscal Year: 2000..The specific goal is to develop rapid magnetic resonance angiography (MRA) encoding techniques that are robust for flow patterns with spatially and temporally varying ..
- Image-guided treatment planning for neuro-interventionsKenneth Hoffmann; Fiscal Year: 2006..tortuosity of vessels can be performed from data extracted from computed tomography angiography (CTA), magnetic resonance angiography (MRA), and biplane or rotational angiograms, but the intervention a list also needs feedback of ..
- MANIPULATION OF THE NOS PATHWAY IN ARTERIAL DISEASEJohn Cooke; Fiscal Year: 2004..pressures, plethysmography, and by MR perfusion imaging), conduit vessel structure (using magnetic resonance angiography); and evidence of angiogenesis using novel MR algorithms (to include flow-independent imaging, ..
- Aspirin Prophylaxis in Sickle Cell DiseaseNORMA LERNER; Fiscal Year: 2006..3. To assess the feasibility of MRI and Magnetic Resonance Angiography (MRA) studies, and the utility of classification systems for use in group comparisons. 5...
- MRI of Brain Ischemia and Reperfusion in a Primate ModelAlex de Crespigny; Fiscal Year: 2005..A successful outcome from this study on nonhuman primates will generate data that will be directly relevant to the study and management of stroke in humans. ..
- IMPROVED MR PERIPHERAL ANGIOGRAPHYDwight Nishimura; Fiscal Year: 1999This application is an amended version of 1 RO1 HL56394, previously titled "Improved Methods for Magnetic Resonance Angiography." The original application had proposed the broad development of several new methods for noninvasive magnetic ..
- OPTIMIZING STROKE PREVENTION IN SC ANEMIA CHILDRENRobert Adams; Fiscal Year: 2004..e., 18-54 months of follow-up per patient). Children with evidence of significant arterial disease on Magnetic Resonance Angiography will be excluded. All patients will receive quarterly TCD examinations...
- OPTIMIZING STROKE PREVENTION IN SICKLE CELL ANEMIADonald Brambilla; Fiscal Year: 2004..e., 18-54 months of follow-up per patient). Children with evidence of significant arterial disease on Magnetic Resonance Angiography will be excluded. All patients will receive quarterly TCD examinations...
- DNA LINKAGE ANALYSIS IN INTRACRANIAL ANEURYSM FAMILIESGERARDUS TROMP; Fiscal Year: 2001..b>Magnetic resonance angiography (MRA) was carried out in 531 asymptomatic first degree relatives of the probands...
- THE VALIDITY OF CE-MRA: A NUMERICAL AND PHANTOM STUDYLiang Der Jou; Fiscal Year: 2003..overall goal of this project is to improve the depiction of the vascular lumen using Contrast-Enhanced Magnetic Resonance Angiography (MRA)...
- THE VALIDITY OF CE-MRA: A NUMERICAL AND PHANTOM STUDYLiang Der Jou; Fiscal Year: 2002..overall goal of this project is to improve the depiction of the vascular lumen using Contrast-Enhanced Magnetic Resonance Angiography (MRA)...
- Development of a Software for Parallel Imaging in MRIWALID KYRIAKOS; Fiscal Year: 2002..APPLICATIONS: Potential commercial applications include Cardiac MR Imaging, Functional MR imaging, and Magnetic Resonance Angiography. In addition, this software will allow a higher throughput of patients contributing to the decrease of ..
- Orthotopic models of tumor angiogenesis and blood flowMeng Yang; Fiscal Year: 2003..of optical imaging of tumor angiogenesis and blood flow with similar measurements by dynamic micro magnetic resonance angiography (MRA)...
- 3D CEREBRAL VESSEL LOCATION FOR SURGICAL PLANNINGElizabeth Bullitt; Fiscal Year: 2001..We propose a number of studies to evaluate the accuracy and utility of our approach, and we also propose new visualization methods to indicate the uncertainty of our symbolic descriptions of image objects. ..
- 3D CEREBRAL VESSEL LOCATION FOR SURGICAL PLANNINGElizabeth Bullitt; Fiscal Year: 2008..unreadable] [unreadable]..
- Noninvasive assessment of tumor malignancyElizabeth Bullitt; Fiscal Year: 2010....
- 3D Image Guided Endovascular SurgeryElizabeth Bullitt; Fiscal Year: 2006..Indeed, the methods to be developed under this proposal have the potential to change how endovascular procedures are performed throughout the body. ..
- Susceptibility Weighted Imaging (SWI)EWART MARK HAACKE; Fiscal Year: 2010..Recently, SWI has also become available to the clinical world for every day use and therefore its continued technical development is of paramount importance for the proper diagnosis of these diseases in patients. ..
- Evaluation of New Imaging Methodologies at 7TEWART HAACKE; Fiscal Year: 2007..Many of the approaches developed and applied on this animal system are expected to have important clinical impact. All of these projects will substantially benefit from the proposed acquisition. [unreadable] [unreadable] [unreadable]..
- Prospective Investigation for Pulmonary Embolism Dx IIIPaul Stein; Fiscal Year: 2008..abstract_text> ..
- Magnetic resonance angiographyChristopher Reinhardt; Fiscal Year: 2008..b>Magnetic resonance angiography (MRA) offers a noninvasive and potentially less costly alternative...
- PROSPECTIVE INVESTIGATION OF PULMONARY EMBOLISM DX-IIPaul Stein; Fiscal Year: 2003..4) The team of investigators is strong, and has collaborated previously in successful research in PE. ..
- Iron and AtherosclerosisSubha Raman; Fiscal Year: 2006..Subgroup analyses will include comparison of the presence of iron symptomatic versus asymptomatic patients and women versus age-matched men. ..
- Clinical Research Using Non-Fourier 3D Cardiac MRIFrank Rybicki; Fiscal Year: 2007..unreadable] [unreadable]..
- BREATH HOLD 3D MRA OF THE CORONARY ARTERIESRobert Edelman; Fiscal Year: 2002Cardiovascular disease remains the leading cause of death in the United States. Coronary magnetic resonance angiography (MRA) has the potential to become a non-invasive clinical alternative to diagnostic coronary catheterization, with an ..
- Interventional Management of Stroke III Planning GrantJoseph Broderick; Fiscal Year: 2004..10. Explore funding of interventional angiography by CMS. 11. Continue interaction with industry, with attention to devices that might be applied to a device-augmented future IV/IA paradigm. ..
- FUNCTIONAL MRI AT COLUMNAR RESOLUTIONSeong Gi Kim; Fiscal Year: 2002..Further insight into functional columnar organization in animals and humans will greatly facilitate our basic understanding of the structure, development and plasticity of cortical maps. ..
- 9.4 T/31 cm Bore MR InstrumentSeong Gi Kim; Fiscal Year: 2002..Combining MR imaging and conventional physiology research in a synergistic fashion, the new imaging facility with the proposed 9.4T MR system will play a central role in biomedical MR research. ..
- Smash Contrast-Enhanced 3D MR AngiographyRobert Edelman; Fiscal Year: 2002DESCRIPTION (Adapted from applicant's abstract): Contrast-enhanced three-dimensional magnetic resonance angiography (3DMRA) is proving to be a useful diagnostic adjunct to x-ray angiography...
- Familial Intracranial Aneurysm Study II (FIA II)JOSEPH PAUL BRODERICK; Fiscal Year: 2010..with multiple members with an IA including collection of genetic material, extensive interviews, and magnetic resonance angiography to detect unruptured aneurysms in 20% of eligible subjects...
- PHYSIOLOGICAL BASIS OF FUNCTIONAL MRI SIGNALSSeong Gi Kim; Fiscal Year: 2002....
- 3T Atherosclerotic MRI and Carotid Artery Scoring SystemChun Yuan; Fiscal Year: 2009....
- Novel MRI and 1H-MRS markers in Primary Progressive MSMatilde Inglese; Fiscal Year: 2009..Letter of support: Prof. John DeLuca, consultant PHS 398 (Rev. 05/01) Page. Form Page 3 Use /2-inch MARGINS. Number pages consecutively at the bottom throughout the application. Do not use suffixes such as 3a, 3b. ..
- SVM based group data analysis for drug abuse disorder ASL perfusion studyZe Wang; Fiscal Year: 2007..unreadable] [unreadable] [unreadable]..
- Smash Contrast-Enhanced 3D MR AngiographyRobert Edelman; Fiscal Year: 2003DESCRIPTION (Adapted from applicant's abstract): Contrast-enhanced three-dimensional magnetic resonance angiography (3DMRA) is proving to be a useful diagnostic adjunct to x-ray angiography...
- STROKE OUTCOME AND NEUROIMAGING OF INTRACRANIAL STENOSISEdward Feldmann; Fiscal Year: 2003..Noninvasive testing such as transcranial Doppler ultrasound (TCD) and magnetic resonance angiography (MRA) to identify intracranial atherosclerosis is in widespread use but has not been rigorously ..