Search Results - "Siogkas, Panagiotis K."

Methodology for fully automated segmentation and plaque characterization in intracoronary optical coherence tomography images by Athanasiou, Lambros S, Bourantas, Christos V, Rigas, George, Sakellarios, Antonis I, Exarchos, Themis P, Siogkas, Panagiotis K, Ricciardi, Andrea, Naka, Katerina K, Papafaklis, Michail I, Michalis, Lampros K, Prati, Francesco, Fotiadis, Dimitrios I

“…Optical coherence tomography (OCT) is a light-based intracoronary imaging modality that provides high-resolution cross-sectional images of the luminal and…”
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Silent brain ischemia within the TAXINOMISIS framework: association with clinical and advanced ultrasound metrics by Kigka, Vassiliki, Carrozzi, Alessandro, Gramegna, Laura Ludovica, Siogkas, Panagiotis K, Potsika, Vassiliki, Tsakanikas, Vassilis, Kallmayer, Michael, Obach, Victor, Riambau, Vincente, Spinella, Giovanni, Pratesi, Giovanni, Cirillo, Luigi, Manners, David Neil, Pini, Rodolfo, Faggioli, Gianluca, de Borst, Gert J, Galyfos, George, Sigala, Frangiska, Mutavdzic, Perica, Jovanovic, Marija, Koncar, Igor, Fotiadis, Dimitros I

“…Introduction The relationship between carotid artery stenosis (CAS) and ipsilateral silent brain ischemia (SBI) remains unclear, with uncertain therapeutic…”
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Combining Computational Fluid Dynamics, Structural Analysis, and Machine Learning to Predict Cerebrovascular Events: A Mild ML Approach by Siogkas, Panagiotis K, Pleouras, Dimitrios, Pezoulas, Vasileios, Kigka, Vassiliki, Tsakanikas, Vassilis, Fotiou, Evangelos, Potsika, Vassiliki, Charalampopoulos, George, Galyfos, George, Sigala, Fragkiska, Koncar, Igor, Fotiadis, Dimitrios I

“…: Cerebrovascular events, such as strokes, are often preceded by the rupture of atherosclerotic plaques in the carotid arteries. This work introduces a novel…”
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SmartFFR, a New Functional Index of Coronary Stenosis: Comparison With Invasive FFR Data by Siogkas, Panagiotis K., Lakkas, Lampros, Sakellarios, Antonis I., Rigas, George, Kyriakidis, Savvas, Stefanou, Kostas A., Anagnostopoulos, Constantinos D., Clemente, Alberto, Rocchiccioli, Silvia, Pelosi, Gualtiero, Parodi, Oberdan, Papafaklis, Michail I., Naka, Katerina K., Michalis, Lampros K., Neglia, Danilo, Fotiadis, Dimitrios I.

“…Aims: In this study, we evaluate the efficacy of SmartFFR, a new functional index of coronary stenosis severity compared with gold standard invasive…”
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Noninvasive CT-based hemodynamic assessment of coronary lesions derived from fast computational analysis: a comparison against fractional flow reserve by Siogkas, Panagiotis K., Anagnostopoulos, Constantinos D., Liga, Riccardo, Exarchos, Themis P., Sakellarios, Antonis I., Rigas, George, Scholte, Arthur J. H. A., Papafaklis, M. I., Loggitsi, Dimitra, Pelosi, Gualtiero, Parodi, Oberdan, Maaniitty, Teemu, Michalis, Lampros K., Knuuti, Juhani, Neglia, Danilo, Fotiadis, Dimitrios I.

“…Objectives Application of computational fluid dynamics (CFD) to three-dimensional CTCA datasets has been shown to provide accurate assessment of the…”
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Fluid Dynamics-Derived Parameters in Coronary Vessels by Siogkas, Panagiotis K, Kalykakis, Georgios-Eleftherios, Anagnostopoulos, Constantinos D, Exarchos, Themis P

“…Continued development in the field of cardiovascular modeling over the past few years has contributed to the production of precise three-dimensional models of…”
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A new methodology for accurate 3-dimensional coronary artery reconstruction using routine intravascular ultrasound and angiographic data: implications for widespread assessment of endothelial shear stress in humans by Bourantas, Christos V, Papafaklis, Michail I, Athanasiou, Lambros, Kalatzis, Fanis G, Naka, Katerina K, Siogkas, Panagiotis K, Takahashi, Saeko, Saito, Shigeru, Fotiadis, Dimitrios I, Feldman, Charles L, Stone, Peter H, Michalis, Lampros K

“…To develop and validate a new methodology that allows accurate 3-dimensional (3-D) coronary artery reconstruction using standard, simple angiographic and…”
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Characterization of functionally significant coronary artery disease by a coronary computed tomography angiography-based index: a comparison with positron emission tomography by Anagnostopoulos, Constantinos D, Siogkas, Panagiotis K, Liga, Riccardo, Benetos, Georgios, Maaniitty, Teemu, Sakellarios, Antonis I, Koutagiar, Iosif, Karakitsios, Ioannis, Papafaklis, Michail I, Berti, Valentina, Sciagrà, Roberto, Scholte, Arthur J H A, Michalis, Lampros K, Gaemperli, Oliver, Kaufmann, Philipp A, Pelosi, Gualtiero, Parodi, Oberdan, Knuuti, Juhani, Fotiadis, Dimitrios I, Neglia, Danilo

“…To test the hypothesis that virtual functional assessment index (vFAI) is related with regional flow parameters derived by quantitative positron emission…”
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Patient-Specific Simulation of Coronary Artery Pressure Measurements: An In Vivo Three-Dimensional Validation Study in Humans by Parodi, Oberdan, Fotiadis, Dimitrios I., Michalis, Lampros K., Exarchos, Themis P., Athanasiou, Lambros S., Bourantas, Christos V., Stefanou, Kostas A., Sakellarios, Antonis I., Papafaklis, Michail I., Siogkas, Panagiotis K., Naka, Katerina K.

“…Pressure measurements using finite element computations without the need of a wire could be valuable in clinical practice. Our aim was to compare the computed…”
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Virtual Functional Assessment of Coronary Stenoses Using Intravascular Ultrasound Imaging: A Proof-of-Concept Pilot Study by Siogkas, Panagiotis K., Papafaklis, Michail I., Lakkas, Lampros, Exarchos, Themis P., Karmpaliotis, Dimitri, Ali, Ziad A., Pelosi, Gualtiero, Parodi, Oberdan, Katsouras, Christos S., Fotiadis, Dimitrios I., Michalis, Lampros K.

“…We aimed to investigate the performance of virtual functional assessment of coronary stenoses using intravascular ultrasound (IVUS)-based three-dimensional…”
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Art care: A multi-modality coronary 3D reconstruction and hemodynamic status assessment software by Siogkas, Panagiotis K, Stefanou, Kostas A, Athanasiou, Lambros S, Papafaklis, Michail I, Michalis, Lampros K, Fotiadis, Dimitrios I

“…Due to the incremental increase of clinical interest in the development of software that allows the 3-dimensional (3D) reconstruction and the functional…”
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Three-dimensional reconstruction of coronary arteries and plaque morphology using CT angiography--comparison and registration with IVUS by Athanasiou, Lambros, Rigas, George, Sakellarios, Antonis I, Exarchos, Themis P, Siogkas, Panagiotis K, Bourantas, Christos V, Garcia-Garcia, Hector M, Lemos, Pedro A, Falcao, Breno A, Michalis, Lampros K, Parodi, Oberdan, Vozzi, Federico, Fotiadis, Dimitrios I

“…The aim of this study is to present a new methodology for three-dimensional (3D) reconstruction of coronary arteries and plaque morphology using Computed…”
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Patient-Specific Prediction of Coronary Plaque Growth From CTA Angiography: A Multiscale Model for Plaque Formation and Progression by Parodi, O., Exarchos, T. P., Marraccini, P., Vozzi, F., Milosevic, Z., Nikolic, D., Sakellarios, A., Siogkas, P. K., Fotiadis, D. I., Filipovic, N.

“…Computational fluid dynamics methods based on in vivo 3-D vessel reconstructions have recently been identified the influence of wall shear stress on…”
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Functional assessment of lesion severity without using the pressure wire: coronary imaging and blood flow simulation by Papafaklis, Michail I, Mavrogiannis, Michail C, Siogkas, Panagiotis K, Lakkas, Lampros S, Katsouras, Christos S, Fotiadis, Dimitrios I, Michalis, Lampros K

“…Hemodynamic indices derived from measurements with the pressure wire (primarily fractional flow reserve [FFR]) have been established as a reliable tool for…”
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Computerized methodology for micro-CT and histological data inflation using an IVUS based translation map by Athanasiou, Lambros S, Rigas, George A, Sakellarios, Antonis I, Exarchos, Themis P, Siogkas, Panagiotis K, Naka, Katerina K, Panetta, Daniele, Pelosi, Gualtiero, Vozzi, Federico, Michalis, Lampros K, Parodi, Oberdan, Fotiadis, Dimitrios I

“…Abstract A framework for the inflation of micro-CT and histology data using intravascular ultrasound (IVUS) images, is presented. The proposed methodology…”
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A hybrid plaque characterization method using intravascular ultrasound images by Athanasiou, Lambros S, Karvelis, Petros S, Sakellarios, Antonis I, Exarchos, Themis P, Siogkas, Panagiotis K, Tsakanikas, Vassilis D, Naka, Katerina K, Bourantas, Christos V, Papafaklis, Michail I, Koutsouri, Georgia, Michalis, Lampros K, Parodi, Oberdan, Fotiadis, Dimitrios I

“…Intravascular ultrasound (IVUS) is an invasive imaging modality that provides high resolution cross-sectional images permitting detailed evaluation of the…”
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Accurate adventitia reconstruction; significant or not in atherosclerotic plaque growth simulationsƒ A comparative study by Pleouras, Dimitrios S., Siogkas, Panagiotis K., Tsakanikas, Vasilis D., Mantzaris, Michalis D., Potsika, Vassiliki T., Sakellarios, Antonis, Sigala, Fragiska, Fotiadis, Dimitrios I.

“…A reform in the diagnosis and treatment process is urgently required as carotid artery disease remains a leading cause of death in the world. To this purpose,…”
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The effect of the degree and location of coronary stenosis on the hemodynamic status of a coronary vessel by Siogkas, Panagiotis K., Kalykakis, George, Anagnostopoulos, Constantinos D., Exarchos, Themis P.

“…The ongoing advances in the field of cardiovascular modelling during the past years have allowed for the creation of accurate three-dimensional models of the…”
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A Machine Learning Model for the prediction of the progression of carotid arterial stenoses by Siogkas, Panagiotis K., Pleouras, Dimitrios S., Tsakanikas, Vasilis D., Potsika, Vassiliki T., Tsiouris, Kostas M., Sakellarios, Antonis, Karamouzi, Evdokia, Lagiou, Foteini, Charalampopoulos, George, Galyfos, George, Sigala, Fragiska, Koncar, Igor, Fotiadis, Dimitrios I.

“…Atherosclerotic carotid plaque development results in a steady narrowing of the artery lumen, which may eventually trigger catastrophic plaque rupture leading…”
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Enhancing risk prediction capabilities in patients with carotid artery disease using a 2-level computational approach by Siogkas, Panagiotis K., Pleouras, Dimitrios S., Tsakanikas, Vasilis D., Mantzaris, Michalis D., Potsika, Vassiliki T., Sakellarios, Antonis, Charalampopoulos, George, Galyfos, George, Sigala, Fragiska, Fotiadis, Dimitrios I.

“…One of the main causes of death worldwide is carotid artery disease, which causes increasing arterial stenosis and may induce a stroke. To address this…”
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