Search Results - "Schaar, Johannes A"

Strain distribution over plaques in human coronary arteries relates to shear stress by Gijsen, Frank J H, Wentzel, Jolanda J, Thury, Attila, Mastik, Frits, Schaar, Johannes A, Schuurbiers, Johan C H, Slager, Cornelis J, van der Giessen, Wim J, de Feyter, Pim J, van der Steen, Anton F W, Serruys, Patrick W

“…Once plaques intrude into the lumen, the shear stress they are exposed to alters with hitherto unknown consequences for plaque composition. We investigated the…”
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Terminology for high-risk and vulnerable coronary artery plaques by Schaar, Johannes A, Muller, James E, Falk, Erling, Virmani, Renu, Fuster, Valentin, Serruys, Patrick W, Colombo, Antonio, Stefanadis, Christodoulos, Ward Casscells, S, Moreno, Pedro R, Maseri, Attilio, van der Steen, Anton F.W

“…A group of investigators met for two days in Santorini, Greece, to discuss progress in the field of identification and treatment of high risk/vulnerable…”
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Three-dimensional palpography of human coronary arteries. Ex vivo validation and in-patient evaluation by Schaar, Johannes A, de Korte, Chris L, Mastik, Frits, van Damme, Luc C A, Krams, Rob, Serruys, Patrick W, van der Steen, Anton F W

“…Rupture of thin-cap fibroatheroma is a major cause of acute myocardial infarction and stroke. Identification of these plaques is one of the major challenges in…”
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Characterizing vulnerable plaque features with intravascular elastography by SCHAAR, Johannes A, DE KORTE, Chris L, MASTIK, Frits, STRIJDER, Chaylendra, PASTERKAMP, Gerard, BOERSMA, Eric, SERRUYS, Patrick W, VAN DER STEEN, Anton F. W

“…In vivo detection of vulnerable plaques is presently limited by a lack of diagnostic tools. Intravascular ultrasound elastography is a new technique based on…”
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Intravascular Palpography for Vulnerable Plaque Assessment by Schaar, Johannes A., van der Steen, Anton F.W., Mastik, Frits, Baldewsing, Radj A., Serruys, Patrick W.

“…Intravascular Palpography for Vulnerable Plaque Assessment Johannes A. Schaar, Anton F. W. van der Steen, Frits Mastik, Radj A. Baldewsing, Patrick W. Serruys…”
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Incidence of high-strain patterns in human coronary arteries:Assessment with three-dimensional intravascular palpography and correlation with clinical presentation by SCHAAR, Johannes A, REGAR, Evelyn, MASTIK, Frits, MCFADDEN, Eugene P, SAIA, Francesco, DISCO, Clemens, DE KORTE, Chris L, DE FEYTER, Pim J, VAN DER STEEN, Antonius F. W, SERRUYS, Patrick W

“…Rupture of thin-cap fibroatheromatous plaques is a major cause of acute myocardial infarction (AMI). Such plaques can be identified in vitro by 3D…”
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Noninvasive detection of subclinical coronary atherosclerosis coupled with assessment of changes in plaque characteristics using novel invasive imaging modalities : The integrated biomarker and imaging study (IBIS) by VAN MIEGHEM, Carlos A. G, MCFADDEN, Eugène P, VALGIMIGLI, Marco, MASTIK, Frits, VAN DER STEEN, Anton F, VAN DER GIESSEN, Willem J, SIANOS, Georgios, BACKX, Bianca, MOREL, Marie-Angèle M, VAN ES, Gerrit-Anne, ZALEWSKI, Andrew, SERRUYS, Patrick W, DE FEYTER, Pim J, BRUINING, Nico, SCHAAR, Johannes A, MOLLET, Nico R, CADEMARTIRI, Filippo, GOEDHART, Dick, DE WINTER, Sebastiaan, RODRIGUEZ GRANILLO, Gaston

“…Our purpose was to assess noninvasive imaging in detection of subclinical atherosclerosis and to examine novel invasive modalities to describe prevalence and…”
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Identification of atherosclerotic plaque components with intravascular ultrasound elastography in vivo: A Yucatan pig study by DE KORTE, Chris L, SIEREVOGEL, Marion J, MASTIK, Frits, STRIJDER, Chaylendra, SCHAAR, Johannes A, VELEMA, Evelyn, PASTERKAMP, Gerard, SERRUYS, P. W, VAN DER STEEN, Anton F. W

“…Intravascular ultrasound elastography assesses the local strain of the atherosclerotic vessel wall. In the present study, the potential to identify different…”
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Contrast Harmonic Intravascular Ultrasound: A Feasibility Study for Vasa Vasorum Imaging by Goertz, David E, Frijlink, Martijn E, Tempel, Dennie, van Damme, Luc C. A, Krams, Robert, Schaar, Johannes A, ten Cate, Folkert J, Serruys, Patrick W, de Jong, Nico, van der Steen, Antonius F. W

“…OBJECTIVE:We sought to investigate feasibility of vasa vasorum imaging using the novel technique of contrast harmonic intravascular ultrasound…”
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Current diagnostic modalities for vulnerable plaque detection by Schaar, Johannes A, Mastik, Frits, Regar, Evelyn, den Uil, Cornelis A, Gijsen, Frank J, Wentzel, Jolanda J, Serruys, Patrick W, van der Stehen, A F W

“…Rupture of vulnerable plaques is the main cause of acute coronary syndrome and myocardial infarction. Identification of vulnerable plaques is therefore…”
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High shear stress induces a strain increase in human coronary plaques over a 6-month period by GIJSEN, Frank J. H, MASTIK, Frits, SCHAAR, Johannes A, SCHUURBLERS, Johan C. H, VAN DER GIESSEN, Wim J, DE FEYTER, Pim J, SERRUYS, Patrick W, VAN DER STEEN, Anton F. W, WENTZEL, Jolanda J

“…Atherosclerotic plaques develop in low shear stress regions. In the more advanced phase of the disease, plaques are exposed to altered shear stress levels,…”
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An Inverse Method for Imaging the Local Elasticity of Atherosclerotic Coronary Plaques by Baldewsing, Radjkumarsing A., Danilouchkine, Mikhail G., Mastik, Frits, Schaar, Johannes A., Serruys, Patrick W., van der Steen, Antonius F. W.

“…The rupture of thin-cap fibroatheroma (TCFA) plaques is a major cause of acute coronary events. A TCFA has a trombogenic soft lipid core, shielded from the…”
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Young's modulus reconstruction of vulnerable atherosclerotic plaque components using deformable curves by Baldewsing, Radj A, Mastik, Frits, Schaar, Johannes A, Serruys, Patrick W, van der Steen, Antonius F W

“…Rupture, with subsequent thrombosis, of thin-cap fibroatheromas (TCFAs) is a major cause of myocardial infarction. A TCFA has two main components: these are a…”
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A finite element model for performing intravascular ultrasound elastography of human atherosclerotic coronary arteries by Baldewsing, Radj A, de Korte, Chris L, Schaar, Johannes A, Mastik, Frits, van der Steen, Antonius F W

“…Intravascular ultrasound (US) elastography measures in an artery the arterial radial strain and displays it in an elastogram. An elastogram adds diagnostic…”
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Assessment of vulnerable plaque composition by matching the deformation of a parametric plaque model to measured plaque deformation by Baldewsing, R.A., Schaar, J.A., Mastik, F., Oomens, C.W.J., van der Steen, A.F.W.

“…Intravascular ultrasound (IVUS) elastography visualizes local radial strain of arteries in so-called elastograms to detect rupture-prone plaques. However, due…”
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Robustness of reconstructing the Young's modulus distribution of vulnerable atherosclerotic plaques using a parametric plaque model by Baldewsing, Radj A, Mastik, Frits, Schaar, Johannes A, Serruys, Patrick W, van der Steen, Antonius F W

“…Assessment of atherosclerotic plaque composition is crucial for quantitative monitoring of atherosclerosis and for quantifying the effect of pharmaceutical…”
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In vivo relationship between compositional and mechanical imaging of coronary arteries. Insights from intravascular ultrasound radiofrequency data analysis by Rodriguez-Granillo, Gastón A, García-García, Héctor M, Valgimigli, Marco, Schaar, Johannes A, Pawar, Ravindra, van der Giessen, William J, Regar, Evelyn, van der Steen, Antonius F W, de Feyter, Pim J, Serruys, Patrick W

“…We sought to explore in vivo the relation between mechanical and compositional properties of matched cross sections (CSs) using novel catheter-based…”
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Intravascular palpography for high-risk vulnerable plaque assessment by Schaar, Johannes A, de Korte, Chris L, Mastik, Frits, Baldewsing, Radj, Regar, Evelyn, de Feyter, Pim, Slager, Cornelis J, van der Steen, Anton F W, Serruys, Patrick W

“…The composition of an atherosclerotic plaque is considered more important than the degree of stenosis. An unstable lesion may rupture and cause an acute…”
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Intravascular Ultrasound Elastography: A Clinician's Tool for Assessing Vulnerability and Material Composition of Plaques by Baldewsing, Radj A, Schaar, Johannes A, de Korte, Chris L, Mastik, Frits, Serruys, Patrick W, van der Steen, Antonius F W

“…The material composition and morphology of the atherosclerotic plaque components are considered to be more important determinants of acute coronary ischemic…”
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Local elasticity imaging of vulnerable atherosclerotic coronary plaques by Baldewsing, Radj A, Schaar, Johannes A, Mastik, Frits, van der Steen, Antonius F W

“…The material composition and morphology of vulnerable atherosclerotic plaque components are considered to be more important determinants of acute coronary…”
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