Search Results - "Maurice, Roch L"

Noninvasive Vascular Elastography: Toward A Complementary Characterization Tool of Atherosclerosis in Carotid Arteries by Schmitt, Cédric, Soulez, Gilles, Maurice, Roch L, Giroux, Marie-France, Cloutier, Guy

“…Abstract Only a minority of patients with carotid arterial disease have warning symptoms, because the majority of strokes are caused by previously asymptomatic…”
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Noninvasive vascular elastography for carotid artery characterization on subjects without previous history of atherosclerosis by Maurice, Roch L., Soulez, Gilles, Giroux, Marie-France, Cloutier, Guy

“…Background: Noninvasive vascular ultrasound elastography (NIVE) was recently introduced to assess mechanical properties (strain or elasticity) of peripheral…”
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The Biophysical Properties of the Aorta Are Altered Following Kawasaki Disease by Vaujois, Laurence, MD, Dallaire, Frédéric, MD, PhD, Maurice, Roch L., PhD, Fournier, Anne, MD, Houde, Christine, MD, Thérien, Johanne, RT, Cartwright, Daniel, RT, Dahdah, Nagib, MD

“…Background The long-term sequelae of Kawasaki disease (KD) are based on the coronary complications. Because KD causes generalized vasculitis, with documented…”
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Mice Overexpressing Both Human Angiotensinogen and Human Renin as a Model of Superimposed Preeclampsia on Chronic Hypertension by Falcao, Stéphanie, Stoyanova, Ekatherina, Cloutier, Guy, Maurice, Roch L, Gutkowska, Jolanta, Lavoie, Julie L

“…Preeclampsia is the major cause of maternal and fetal mortality/morbidity. Because hypertension is an important risk factor for preeclampsia, we investigated…”
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Characterization of aortic remodeling following Kawasaki disease: Toward a fully developed automatic biparametric model by Maurice, Roch L., Dahdah, Nagib

“…Purpose: Mechanical properties of the arteries are essential in assessing cardiovascular diseases. New imaging modalities that allow mapping strain, shear and…”
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Estimation of polyvinyl alcohol cryogel mechanical properties with four ultrasound elastography methods and comparison with gold standard testings by Fromageau, J., Gennisson, J.-L., Schmitt, C., Maurice, R.L., Mongrain, R., Cloutier, G.

“…Tissue-mimicking phantoms are very useful in the field of tissue characterization and essential in elastography for the purpose of validating motion…”
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Ascending Aorta Elastography After Kawasaki Disease Compared to Systemic Hypertension by Nandlall, Ian, Maurice, Roch L., Fournier, Anne, Merouani, Aïcha, Dahdah, Nagib

“…Kawasaki disease (KD) is a systemic vasculitis, classically affecting large- and medium-size arteries. The coronary arteries draw most of the clinical…”
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Comparing Carotid and Brachial Artery Stiffness: A First Step Toward Mechanical Mapping of the Arterial Tree by Maurice, Roch L, Vaujois, Laurence, Dahdah, Nagib, Nuyt, Anne-Monique, Bigras, Jean-Luc

“…Abstract Arterial stiffness is a predictor of cardiovascular mortality. It increases with age and is accelerated by hypertension and other cardiovascular risk…”
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Intravascular ultrasound image segmentation: a three-dimensional fast-marching method based on gray level distributions by Cardinal, M.-H.R., Meunier, J., Soulez, G., Maurice, R.L., Therasse, E., Cloutier, G.

“…Intravascular ultrasound (IVUS) is a catheter based medical imaging technique particularly useful for studying atherosclerotic disease. It produces…”
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Performance evaluation of different implementations of the Lagrangian speckle model estimator for non-invasive vascular ultrasound elastography by Mercure, Elizabeth, Cloutier, Guy, Schmitt, Cédric, Maurice, Roch L.

“…Non-invasive vascular ultrasound elastography (NIVE) was recently introduced to characterize mechanical properties of carotid arteries for stroke prevention…”
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Vulnerable Atherosclerotic Plaque Elasticity Reconstruction Based on a Segmentation-Driven Optimization Procedure Using Strain Measurements: Theoretical Framework by Le Floc'h, S., Ohayon, J., Tracqui, P., Finet, G., Gharib, A.M., Maurice, R.L., Cloutier, G., Pettigrew, R.I.

“…It is now recognized that prediction of the vulnerable coronary plaque rupture requires not only an accurate quantification of fibrous cap thickness and…”
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Noninvasive vascular elastography: theoretical framework by Maurice, R.L., Ohayon, J., Fretigny, Y., Bertrand, M., Soulez, G., Cloutier, G.

“…Changes in vessel wall elasticity may be indicative of vessel pathologies. It is known, for example, that the presence of plaque stiffens the vascular wall,…”
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Carotid Wall Elastography to Assess Midterm Vascular Dysfunction Secondary to Intrauterine Growth Restriction: Feasibility and Comparison with Standardized Intima-Media Thickness by Maurice, Roch L, Vaujois, Laurence, Dahdah, Nagib, Chibab, Najat, Maurice, Anika, Nuyt, Anne-Monique, Lévy, Émile, Bigras, Jean-Luc

“…Abstract Several studies have suggested that intrauterine growth restriction (IUGR) increases the risk of cardiovascular disease and early atherosclerosis…”
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Non-invasive high-frequency vascular ultrasound elastography by Maurice, Roch L, Daronat, Michel, Ohayon, Jacques, Stoyanova, Ekatherina, Foster, F Stuart, Cloutier, Guy

“…Non-invasive vascular elastography (NIVE) was recently introduced to characterize mechanical properties of superficial arteries. In this paper, the feasibility…”
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Adapting the lagrangian speckle model estimator for endovascular elastography: Theory and validation with simulated radio-frequency data by MAURICE, Roch L, OHAYON, Jacques, FINET, Gérard, CLOUTIER, Guy

“…Intravascular ultrasound (IVUS) is known to be the reference tool for preoperative vessel lesion assessments and for endovascular therapy planning…”
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A compensative model for the angle-dependence of motion estimates in noninvasive vascular elastography by Mercure, Elizabeth, Deprez, Jean-François, Fromageau, Jérémie, Basset, Olivier, Soulez, Gilles, Cloutier, Guy, Maurice, Roch L.

“…Purpose: Atherosclerosis of peripheral cerebral arteries can lead to stroke either by stenosis formation or plaque rupture. This pathology is initiated by the…”
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On the Potential of the Lagrangian Estimator for Endovascular Ultrasound Elastography: In Vivo Human Coronary Artery Study by Maurice, Roch L, Fromageau, Jérémie, Brusseau, Élisabeth, Finet, Gérard, Rioufol, Gilles, Cloutier, Guy

“…Abstract Diagnosis and prognosis of coronary artery atherosclerosis evolution currently rely on plaque morphology and vessel stenosis degree. Such information…”
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On the potential of the Lagrangian speckle model estimator to characterize atherosclerotic plaques in endovascular elastography: in vitro experiments using an excised human carotid artery by Maurice, Roch L, Brusseau, Elisabeth, Finet, Gérard, Cloutier, Guy

“…Endovascular ultrasound (US) elastography (EVE) was introduced to supplement endovascular US echograms in the assessment of vessel lesions and for endovascular…”
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Speckle-motion artifact under tissue shearing by Maurice, R.L., Bertrand, M.

“…Research has shown that, for a rotating phantom, the speckle pattern may not replicate the phantom motion, rather it may show a large lateral translation…”
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Automatic 3D segmentation of intravascular ultrasound images using region and contour information by Cardinal, Marie-Hélène Roy, Meunier, Jean, Soulez, Gilles, Maurice, Roch L, Thérasse, Eric, Cloutier, Guy

“…Intravascular ultrasound (IVUS) produces images of arteries that show the lumen in addition to the layered structure of the vessel wall. A new automatic 3D…”
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