- Atherosclerotic plaque progression in carotid arteries: monitoring with high-spatial-resolution MR imaging--multicenter trial
Department of Radiology, University of California, San Francisco, San Francisco, Calif, USA
Radiology 252:789-96. 2009
..Quantitative changes in atheroma volume were measured on unenhanced T1-weighted images. A multiple linear regression analysis was used to correlate progression with several clinical factors, including statin therapy...
- [State of the art: high resolution MR imaging of carotid atherosclerotic plaque]
Department of Radiology, University of California, San Francisco, CA 94143, USA
J Radiol 91:185-94. 2010
..The signal characteristics of the different components of plaque on high resolution MRI then be reviewed. Finally, current morphological and functional criteria for unstable plaque will be discussed...
- 4D time-resolved magnetic resonance angiography for noninvasive assessment of pulmonary arteriovenous malformations patency
Department of Radiology, Louis Pradel Hospital, CREATIS, UMR CNRS 5515, INSERM U630, Lyon, France
J Magn Reson Imaging 32:1110-6. 2010
..To assess the capability of four-dimensional (4D) time-resolved magnetic resonance angiography (MRA) to assess pulmonary arteriovenous malformations (PAVMs) patency by analyzing pulmonary arterial and venous enhancement kinetics...
- Ischemic stroke: etiologic work-up with multidetector CT of heart and extra- and intracranial arteries
Department of Radiology, Louis Pradel Hospital, 28 Av Doyen Lepine, 69500 Bron, France
Radiology 258:206-12. 2011
..To assess the potential of a single-session multidetector computed tomography (CT) protocol, as compared with established methods, for the etiologic work-up of acute ischemic stroke...
- Phase-contrast magnetic resonance imaging measurements in intracranial aneurysms in vivo of flow patterns, velocity fields, and wall shear stress: comparison with computational fluid dynamics
Radiology Service, VA Medical Center, San Francisco, California 94121, USA
Magn Reson Med 61:409-17. 2009
..These results indicate that 7D-MRV can be used in vivo to measure velocity flow fields and for estimating MSS and WSS. Currently, however, this method cannot accurately quantify the latter two parameters...
- Aneurysm growth occurs at region of low wall shear stress: patient-specific correlation of hemodynamics and growth in a longitudinal study
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...
- Assessment of acute myocardial infarction using MDCT after percutaneous coronary intervention: comparison with MRI
Department of Radiology, University of California at San Francisco, San Francisco, CA, USA
AJR Am J Roentgenol 191:441-7. 2008
- Acute chest pain with normal coronary angiogram: role of contrast-enhanced multidetector computed tomography in the differential diagnosis between myocarditis and myocardial infarction
Department of Radiology, University of California, San Francisco, CA, USA
J Comput Assist Tomogr 32:228-32. 2008
..To evaluate the accuracy of delayed-enhanced multidetector computed tomography (MSCT) for differentiating between myocarditis and myocardial infarction in patients with normal x-ray coronary angiography...
- Monitoring serial change in the lumen and outer wall of vertebrobasilar aneurysms
Radiology Service, VA Medical Center, San Francisco, CA 94121, USA
AJNR Am J Neuroradiol 29:259-64. 2008
..In this report we describe the use of MR imaging and 3D postprocessing methods to study the evolution of those aneurysms...
- The reliability of high resolution MRI in the measurement of early stage carotid wall thickening
Department of Radiology, University of California, San Francisco, VA Medical Center, San Francisco, California 94121, USA, and Centre de Recherche en Nutrition Humaine Rhône Alpes, Hopital Edouard Herriot, Lyon, France
J Cardiovasc Magn Reson 9:771-6. 2007
- Endovascular repair of lesions involving the descending thoracic aorta. Mid-term morphological changes
Department of Cardiovascular Surgery, Louis Pradel University Hospital, Lyon, France
Interact Cardiovasc Thorac Surg 7:595-9. 2008
..Therefore, continued surveillance of patients treated with stent-grafts is necessary...
- Noninvasive assessment of the prevalence and characteristics of coronary atherosclerotic plaques by multidetector computed tomography in asymptomatic type 2 diabetic patients at high risk of significant coronary artery disease: a preliminary study
Department of Cardiovascular Imaging, Louis Pradel Hospital, LRMN Creatis, UMR CNRS 5515, INSERM U630, Claude Bernard University, Lyon 1, 28 Avenue du Doyen Jean Lépine, 69500 Lyon, France
Arch Cardiovasc Dis 102:607-15. 2009
..There is a need to identify diabetic patients at risk of cardiovascular events before symptom onset...
- Temporal stability of dysmorphic fusiform aneurysms of the intracranial internal carotid artery
Department of Radiology and Biomedical Imaging, University of California, San Francisco, California, USA
J Vasc Interv Radiol 22:1007-11. 2011
- Numerical simulations of flow in cerebral aneurysms: comparison of CFD results and in vivo MRI measurements
Vitaliy L Rayz
Radiology Service, VA Medical Center San Francisco, 4150 Clement Street, San Francisco, CA 94121, USA
J Biomech Eng 130:051011. 2008
..The results demonstrate the clinical relevance of computational models and suggest that realistic patient-specific flow conditions are required for numerical simulations of the flow in aneurysmal blood vessels...
- Modified electrocardiograph-triggered black-blood turbo spin-echo technique to improve T1-weighting in contrast-enhanced MRI of atherosclerotic carotid arteries
Department of Radiology, Hopital Louis Pradel, Bron, Lyon, France
J Magn Reson Imaging 28:533-7. 2008
- Endovascular repair of localized pathological lesions of the descending thoracic aorta: midterm results
Department of Cardiovascular Surgery, University Hospital Louis Pradel, Lyon, France
Cardiovasc Intervent Radiol 30:628-37. 2007
..5% (n = 19). We conclude that endovascular treatment of the various localized diseases of the descending thoracic aorta is a promising, feasible, alternative technique to open surgery in well-selected patients...
- Asymptomatic false aneurysm of the right coronary sinus treated by a reimplantation valve sparing technique
Department of Cardiovascular Surgery, Universite Claude Bernard, Inserm UMR886, Louis Pradel Hospital, Bron, France
Interact Cardiovasc Thorac Surg 9:720-1. 2009
..A complete resection of the aortic root and a reimplantation technique were performed. Herein, we describe the technical approach and immediate follow-up...
- Reperfusion is a more accurate predictor of follow-up infarct volume than recanalization: a proof of concept using CT in acute ischemic stroke patients
Bruno P Soares
Department of Radiology, Neuroradiology Section, University of California, San Francisco, 505 Parnassus Avenue, Box 0628, San Francisco, CA 94143 0628, USA
Stroke 41:e34-40. 2010
- Measurement of two-dimensional movement parameters of the carotid artery wall for early detection of arteriosclerosis: a preliminary clinical study
Universite de Lyon, CREATIS, CNRS UMR 5220, INSERM U1044, INSA Lyon, France
Ultrasound Med Biol 37:1421-9. 2011
..The method introduced in this feasibility study might constitute a pertinent approach to assess the presence of early-stage arteriosclerosis by the noninvasive estimation of the 2-D motion of the intima-media complex in the CCA...
- Numerical modeling of the flow in intracranial aneurysms: prediction of regions prone to thrombus formation
V L Rayz
Radiology Service, VA Medical Center San Francisco, 4150 Clement Street, San Francisco, CA 94121, USA
Ann Biomed Eng 36:1793-804. 2008
..A similarity was also found between the calculated low shear stress regions and the regions that were later observed to clot...
- Flow residence time and regions of intraluminal thrombus deposition in intracranial aneurysms
V L Rayz
Department of Radiology, University of California San Francisco, 4150 Clement Street, San Francisco, CA 94121, USA
Ann Biomed Eng 38:3058-69. 2010
..A model including both low WSS and increased RT predicted thrombus-prone regions significantly better than the models with RT or WSS alone...
- Dose and image quality comparison between prospectively gated axial and retrospectively gated helical coronary CT angiography
Hopital Cardio Vasculaire et Pneumologique Louis Pradel, Bron, France
Br J Radiol 84:51-7. 2011
..Our aim was to compare image quality, coronary segment assessability and radiation dose in prospectively gated axial (PGA) coronary CT angiography (CTA) and conventional retrospectively gated helical (RGH) coronary CTA...
- Multidetector computed tomography in reperfused acute myocardial infarction. Assessment of infarct size and no-reflow in comparison with cardiac magnetic resonance imaging
Department of Radiology, University of Marseille Méditerranée CHU la Timone, Marseille Cedex 05, France
Invest Radiol 43:773-81. 2008
- High-resolution magnetic resonance imaging of carotid atherosclerosis identifies vulnerable carotid plaques
Department of Vascular Surgery, University Hospital of Lyon, Lyon, France
J Vasc Surg 57:1046-1051.e2. 2013
..The purpose of this study was to assess carotid MRI features of vulnerable plaque in a large study and the changes in carotid plaque morphology with respect to time since the neurological event...
- Effect of pulmonary valve replacement on left ventricular function in patients with tetralogy of Fallot
Department of Radiology, Louis Pradel Hospital, CREATIS, UMR CNRS 5520, INSERM U1044, Lyon, France
Am J Cardiol 110:1828-35. 2012
..In conclusion, the results of the present study have demonstrated a significant improvement in LV ejection fraction after PVR that correlated with the pre-PVR RV-EDV but was independent of IVS motion improvement...
- Carotid plaque high-resolution MRI at 3 T: evaluation of a new imaging score for symptomatic plaque assessment
Department of Radiology, Centre Hospitalier Lyon Sud, 69495 Pierre Benite, Lyon, France
Magn Reson Imaging 30:1424-31. 2012
- Determination of the myocardial area at risk with pre- versus post-reperfusion imaging techniques in the pig model
Service d Explorations Fonctionnelles Cardiovasculaires, Hopital Louis Pradel, Hospices Civils de Lyon, Lyon, France
Basic Res Cardiol 106:1247-57. 2011
..Pre-reperfusion arterial enhanced MDCT showed the greatest accuracy for the assessment of the AAR...
- Swallowing, arterial pulsation, and breathing induce motion artifacts in carotid artery MRI
Department of Radiology, University Hospital Center, Lyon, France
J Magn Reson Imaging 23:413-5. 2006
..To identify and quantify the potential sources of motion in carotid artery imaging...
- High-resolution MRI of isolated intraluminal clot of the common carotid artery
Neurology 68:788. 2007
- Should a reimplantation valve sparing procedure be done systematically in type A aortic dissection?
Department of Cardiovascular Surgery, Universite Claude Bernard, INSERM E0226, Louis Pradel Hospital, Bron, France
Eur J Cardiothorac Surg 31:36-41. 2007
..To evaluate the risks and benefits of a systematic reimplantation valve sparing procedure in the surgical treatment of type A aortic dissection (TAAD)...
- Optimal brain perfusion CT coverage in patients with acute middle cerebral artery stroke
A D Furtado
Department of Radiology, University of California, San Francisco, 94143 0628, USA
AJNR Am J Neuroradiol 31:691-5. 2010
- Endovascular repair of the descending thoracic aorta: mid-term results and evaluation of magnetic resonance angiography
Department of Cardiovascular Surgery, Louis Pradel Hospital, Claude Bernard University INSERM E0226, Bron, France
J Cardiovasc Surg (Torino) 48:1-6. 2007
..The purpose of the present study was to evaluate the mid-term results of the Talent stent-graft in the different indications of aortic disease and the use of magnetic resonance angiography (MRA) in the diagnosis of complications...