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Artykuły w czasopismach na temat "Hemodynamic Simulations"
Friedman, Morton H., Heather A. Himburg i Jeffrey A. LaMack. "Statistical Hemodynamics: A Tool for Evaluating the Effect of Fluid Dynamic Forces on Vascular Biology In Vivo". Journal of Biomechanical Engineering 128, nr 6 (16.05.2006): 965–68. http://dx.doi.org/10.1115/1.2354212.
Pełny tekst źródłaStahl, Janneck, Anna Bernovskis, Daniel Behme, Sylvia Saalfeld i Philipp Berg. "Impact of patient-specific inflow boundary conditions on intracranial aneurysm hemodynamics". Current Directions in Biomedical Engineering 8, nr 1 (1.07.2022): 125–28. http://dx.doi.org/10.1515/cdbme-2022-0032.
Pełny tekst źródłaGrygoryan, R. D., i T. V. Aksenova. "Simulations of hypertrophied heart’s hemodynamics". PROBLEMS IN PROGRAMMING, nr 2-3 (czerwiec 2016): 254–63. http://dx.doi.org/10.15407/pp2016.02-03.254.
Pełny tekst źródłaPopović, Zoran B., Umesh N. Khot, Gian M. Novaro, Fernando Casas, Neil L. Greenberg, Mario J. Garcia, Gary S. Francis i James D. Thomas. "Effects of sodium nitroprusside in aortic stenosis associated with severe heart failure: pressure-volume loop analysis using a numerical model". American Journal of Physiology-Heart and Circulatory Physiology 288, nr 1 (styczeń 2005): H416—H423. http://dx.doi.org/10.1152/ajpheart.00615.2004.
Pełny tekst źródłaJeken-Rico, Pablo, Aurèle Goetz, Philippe Meliga, Aurélien Larcher, Yigit Özpeynirci i Elie Hachem. "Evaluating the Impact of Domain Boundaries on Hemodynamics in Intracranial Aneurysms within the Circle of Willis". Fluids 9, nr 1 (21.12.2023): 1. http://dx.doi.org/10.3390/fluids9010001.
Pełny tekst źródłaNiemann, Annika, Samuel Voß, Riikka Tulamo, Simon Weigand, Bernhard Preim, Philipp Berg i Sylvia Saalfeld. "Complex wall modeling for hemodynamic simulations of intracranial aneurysms based on histologic images". International Journal of Computer Assisted Radiology and Surgery 16, nr 4 (14.03.2021): 597–607. http://dx.doi.org/10.1007/s11548-021-02334-z.
Pełny tekst źródłaGrygoryan, R. D., A. G. Degoda, T. V. Lyudovyk i O. I. Yurchak. "Simulations of human hemodynamic responses to blood temperature and volume changes". PROBLEMS IN PROGRAMMING, nr 1 (styczeń 2023): 19–29. http://dx.doi.org/10.15407/pp2023.01.019.
Pełny tekst źródłaBrambila-Solórzano, Alberto, Federico Méndez-Lavielle, Jorge Luis Naude, Gregorio Josué Martínez-Sánchez, Azael García-Rebolledo, Benjamín Hernández i Carlos Escobar-del Pozo. "Influence of Blood Rheology and Turbulence Models in the Numerical Simulation of Aneurysms". Bioengineering 10, nr 10 (8.10.2023): 1170. http://dx.doi.org/10.3390/bioengineering10101170.
Pełny tekst źródłaKorte, J., P. Groschopp i P. Berg. "Resolution-based comparative analysis of 4D-phase-contrast magnetic resonance images and hemodynamic simulations of the aortic arch". Current Directions in Biomedical Engineering 9, nr 1 (1.09.2023): 650–53. http://dx.doi.org/10.1515/cdbme-2023-1163.
Pełny tekst źródłaChen, Yan, Masaharu Kobayashi, Changyoung Yuhn i Marie Oshima. "Development of a 3D Vascular Network Visualization Platform for One-Dimensional Hemodynamic Simulation". Bioengineering 11, nr 4 (26.03.2024): 313. http://dx.doi.org/10.3390/bioengineering11040313.
Pełny tekst źródłaRozprawy doktorskie na temat "Hemodynamic Simulations"
Boutsianis, Evangelos. "Anatomically accurate hemodynamic simulations in the aorta and the coronary arteries /". Zürich : ETH, 2007. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=16996.
Pełny tekst źródłaBOTTI, Lorenzo Alessio (ORCID:0000-0002-0511-9022). "Galerkin methods for incompressible fluid flow simulations: application to hemodynamics". Doctoral thesis, Università degli studi di Bergamo, 2010. http://hdl.handle.net/10446/610.
Pełny tekst źródłaSaccaro, Ludovica. "Vers l'évaluation du risque des anévrismes de l'aorte abdominale par modélisation géométrique et simulations hémodynamiques d'ordre réduit". Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0025.
Pełny tekst źródłaThis thesis focuses on a specific pathology affecting the abdominal section of the aorta, known as abdominal aortic aneurysm (AAA). An aneurysm involves a persistent and localized weakening of the vessel wall, leading to enlargements and bulges, causing recirculation and turbulence of blood flow.Our thesis outlines a methodology for geometric modeling of abdominal aneurysms. The process involves acquiring CT images, reconstructing the aorta 3D geometry, and isolating the aneurysm. The modeling phase begins by identifying and approximating the centerline of the aortic vessel using B-spline functions. The aortic wall is then partitioned and profiled using Fourier series.To evaluate its effectiveness, the developed technique is applied to a dataset of CT scans from patients. Reconstructions obtained from the scans are also presented as examples to detail each step of the procedure. In addition, a quantitative evaluation and rationale behind modeling parameters are explained. Then, as a first application, the modeling is integrated into a registration process for clinical diagnosis and follow-up.The geometrical modeling procedure developed is used in a pipeline for hemodynamic simulations and risk assessment, employing a reduced-order modeling approach to construct a reduced solution space. Simulations, utilizing parameterized geometries, are conducted under realistic conditions, and risk indicators are computed and linked to the geometrical representation using Radial Basis Functions interpolant. Finally, predictions on risk indicators are obtained for an unknown geometry. The results, despite being promising, can be further improved by appropriately augmenting the initial dataset.To address the aforementioned scarcity of clinical data, we devised an automated workflow for generating synthetic geometries. This approach allows for the identification of relevant geometry parameters and involves machine learning to generate a virtual patient population consistent with the original data. In addition to improving the predictive capability of reduced models, the method can also be applied prospectively for in-silico trials and studies involving virtual patient populations
Davis, Timothy L. (Timothy Lloyd). "Teaching physiology through interactive simulation of hemodynamics". Thesis, Massachusetts Institute of Technology, 1991. http://hdl.handle.net/1721.1/13823.
Pełny tekst źródłaZimny, Simon [Verfasser]. "Hemodynamic Flow Simulation in Patient Specific Cerebral Aneurysms / Simon Zimny". München : Verlag Dr. Hut, 2016. http://d-nb.info/1106592565/34.
Pełny tekst źródłaAletti, Matteo Carlo Maria. "Mathematical modelling and simulations of the hemodynamics in the eye". Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066031/document.
Pełny tekst źródłaThe structure of the eye offers a unique opportunity to directly observe the microcirculation, by means, for instance, of fundus camera, which are cheap devices commonly used in the clinical practice. This can facilitate the screening of systemic deseases such as diabetes and hypertension, or eye diseases such as glaucoma. A key phenomenon in the microcirculation is the autoregulation, which is the ability of certain vessels to adapt their diameter to regulate the blood flow rate in response to changes in the systemic pressure or metabolic needs. Impairments in autoregulation are strongly correlated with pathological states. The hemodynamics in the eye is influenced by the intraocular pressure (IOP), the pressure inside the eye globe, which is in turn influenced by the ocular blood flow. The interest in the IOP stems from the fact that it plays a role in several eye-diseases, such as glaucoma. Mathematical modelling can help in interpreting the interplay between these phenomena and better exploit the available data. In the first part of the thesis we present a simplified fluid-structure interaction model that includes autoregulation. A layer of fibers in the vessel wall models the smooth muscle cells that regulate the diameter of the vessel. The model is applied to a 3D image-based network of retinal arterioles. In the second part, we propose a multi-compartments model of the eye. We use the equations of poroelasticity to model the blood flow in the choroid. The model includes other compartments that transmit the pulsatility from the choroid to the anterior chamber, where the measurements of the IOP are actually performed. We present some preliminary results on the choroid, the aqueous humor and on the choroid coupled with the vitreous. Finally, we present a reduced order modelling technique to speed up multiphysics simulations. We use high fidelity models for the compartments of particular interest from the modelling point of view. The other compartments are instead replaced by a reduced representation of the corresponding Steklov-Poincaré operator
Yu, Xiaohong, i 于曉紅. "Hemodynamic analysis of blood flows in carotid bifurcations". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B3864700X.
Pełny tekst źródłaAudebert, Chloé. "Mathematical liver modeling : hemodynamics and function in hepatectomy". Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066077/document.
Pełny tekst źródłaMajor liver resection is being performed to treat liver lesions or for adult-to-adult living donor liver transplantation. Complications of these surgeries are related to a poor liver function. The links between liver hemodynamics, liver volume and liver function remain unclear and are important to better understand these complications. The surgery increases the resistance to blood flow in the organ, therefore it modifies liver hemodynamics. Large modifications of the portal vein hemodynamics have been associated with poor liver regeneration. Moreover the liver receives 25% of the cardiac outflow, therefore liver surgery may impact the whole blood circulation. In this context, the first goal is to investigate with mathematical models the impact of liver surgery on liver hemodynamics. The second goal is to study the liver perfusion and function with mathematical models. The first part describes the experimental conditions and reports the measurements recorded. Then, the second part focuses on the liver hemodynamics during partial hepatectomy. On one hand, the hemodynamics during several surgeries is quantitatively reproduced and explained by a closed-loop model based on ODE. On the other hand, the change of waveforms observed after different levels of liver resection is reproduced with a model of the global circulation, including 0D and 1D equations. This may contribute to a better understanding of the change of liver architecture induced by hepatectomy. Next, the transport in blood of a compound is studied. And a pharmacokinetics model and its parameter identification are developed to quantitatively analyze indocyanine green fluorescence dynamics in the liver tissue
Lal, Rajnesh. "Data assimilation and uncertainty quantification in cardiovascular biomechanics". Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTS088/document.
Pełny tekst źródłaCardiovascular blood flow simulations can fill several critical gaps in current clinical capabilities. They offer non-invasive ways to quantify hemodynamics in the heart and major blood vessels for patients with cardiovascular diseases, that cannot be directly obtained from medical imaging. Patient-specific simulations (incorporating data unique to the individual) enable individualised risk prediction, provide key insights into disease progression and/or abnormal physiologic detection. They also provide means to systematically design and test new medical devices, and are used as predictive tools to surgical and personalize treatment planning and, thus aid in clinical decision-making. Patient-specific predictive simulations require effective assimilation of medical data for reliable simulated predictions. This is usually achieved by the solution of an inverse hemodynamic problem, where uncertain model parameters are estimated using the techniques for merging data and numerical models known as data assimilation methods.In this thesis, the inverse problem is solved through a data assimilation method using an ensemble Kalman filter (EnKF) for parameter estimation. By using an ensemble Kalman filter, the solution also comes with a quantification of the uncertainties for the estimated parameters. An ensemble Kalman filter-based parameter estimation algorithm is proposed for patient-specific hemodynamic computations in a schematic arterial network from uncertain clinical measurements. Several in silico scenarii (using synthetic data) are considered to investigate the efficiency of the parameter estimation algorithm using EnKF. The usefulness of the parameter estimation algorithm is also assessed using experimental data from an in vitro test rig and actual real clinical data from a volunteer (patient-specific case). The proposed algorithm is evaluated on arterial networks which include single arteries, cases of bifurcation, a simple human arterial network and a complex arterial network including the circle of Willis.The ultimate aim is to perform patient-specific hemodynamic analysis in the network of the circle of Willis. Common hemodynamic properties (parameters), like arterial wall properties (Young’s modulus, wall thickness, and viscoelastic coefficient) and terminal boundary parameters (reflection coefficient and Windkessel model parameters) are estimated as the solution to an inverse problem using time series pressure values and blood flow rate as measurements. It is also demonstrated that a proper reduced order zero-dimensional compartment model can lead to a simple and reliable estimation of blood flow features in the circle of Willis. The simulations with the estimated parameters capture target pressure or flow rate waveforms at given specific locations
He, Xiaoyi. "Numerical simulations of blood flow in human coronary arteries". Diss., Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/16685.
Pełny tekst źródłaKsiążki na temat "Hemodynamic Simulations"
AACN. AACN Clinical Simulations: Hemodynamic Monitoring Institutional Version (AACN CLINICAL SIMULATIONS FOR CRITICAL CARE). Lippincott Williams & Wilkins, 2001.
Znajdź pełny tekst źródłaRannacher, Rolf, Stefan Turek, Anne M. Robertson i Giovanni P. Galdi. Hemodynamical Flows: Modeling, Analysis and Simulation (Oberwolfach Seminars Book 37). Birkhäuser, 2008.
Znajdź pełny tekst źródłaRannacher, Rolf, Stefan Turek, Anne M. Robertson i Giovanni P. Galdi. Hemodynamical Flows: Modeling, Analysis and Simulation (Oberwolfach Seminars). Birkhäuser Basel, 2008.
Znajdź pełny tekst źródła(Editor), X. Y. Xu, i M. W. Collins (Editor), red. Haemodynamics of Arterial Organs : Comparison of Computational Predictions with In Vitro and In Vivo Data (Advances in Computational Bioengineering Vol 1). WIT Press (UK), 1999.
Znajdź pełny tekst źródłaCzęści książek na temat "Hemodynamic Simulations"
Fresiello, Libera, i Krzysztof Zieliński. "Hemodynamic Modelling and Simulations for Mechanical Circulatory Support". W Mechanical Support for Heart Failure, 429–47. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47809-4_26.
Pełny tekst źródłaZeng, H., J. Luo i X. Wu. "Computer Simulations of Hemodynamic Effects of Different CPR Techniques". W IFMBE Proceedings, 12–15. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-29305-4_4.
Pełny tekst źródłaVassilevski, Y. V., O. N. Bogdanov, X. V. Chesnokova, A. A. Danilov, T. K. Dobroserdova, D. D. Dobrovolsky i A. V. Lozovskiy. "Non-FSI 3D Hemodynamic Simulations in Time-Dependent Domains". W Trends in Biomathematics: Chaos and Control in Epidemics, Ecosystems, and Cells, 261–69. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73241-7_16.
Pełny tekst źródłaGarbey, Marc, i Mark G. Davies. "Remarks on Solution Verification and Model Validation of Hemodynamic Simulations". W Pumps and Pipes, 45–54. Boston, MA: Springer US, 2010. http://dx.doi.org/10.1007/978-1-4419-6012-2_5.
Pełny tekst źródłaRomano, Ernesto, Luísa C. Sousa, Carlos C. António, Catarina F. Castro i Sónia Isabel Silva Pinto. "Non-Linear or Quasi-Linear Viscoelastic Property of Blood for Hemodynamic Simulations". W Advanced Structured Materials, 127–39. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-50464-9_8.
Pełny tekst źródłaBoccadifuoco, Alessandro, Alessandro Mariotti, Katia Capellini, Simona Celi i Maria Vittoria Salvetti. "Uncertainty Quantification Applied to Hemodynamic Simulations of Thoracic Aorta Aneurysms: Sensitivity to Inlet Conditions". W Lecture Notes in Computational Science and Engineering, 171–92. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-48721-8_8.
Pełny tekst źródłaNozaleda, Guillermo L., Sofia Poloni, Luca Soliveri i Kristian Valen-Sendstad. "Impact of Modeling Assumptions on Hemodynamic Stresses in Predicting Cerebral Aneurysm Rupture Status". W Computational Physiology, 99–110. Cham: Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-53145-3_7.
Pełny tekst źródłaMatias, Luís, Catarina Ferreira de Castro, Carlos Conceição António, Luísa Costa Sousa i Sónia Isabel Silva Pinto. "Semi-automatic Method of Stent Development for Hemodynamic Simulations in Patient Coronary Arteries with Disease". W Advanced Structured Materials, 443–58. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04548-6_21.
Pełny tekst źródłaFernandes, Maria Carolina, Luísa Costa Sousa, Catarina Ferreira de Castro, José Manuel Laginha Mestre da Palma, Carlos Conceição António i Sónia Isabel Silva Pinto. "Implementation and Comparison of Non-Newtonian Viscosity Models in Hemodynamic Simulations of Patient Coronary Arteries". W Advanced Structured Materials, 403–28. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04548-6_19.
Pełny tekst źródłaBäumler, Kathrin, Judith Zimmermann, Daniel B. Ennis, Alison L. Marsden i Dominik Fleischmann. "Hemodynamic Effects of Entry Versus Exit Tear Size and Tissue Stiffness in Simulations of Aortic Dissection". W Computer Methods, Imaging and Visualization in Biomechanics and Biomedical Engineering II, 143–52. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-10015-4_13.
Pełny tekst źródłaStreszczenia konferencji na temat "Hemodynamic Simulations"
Chitneedi, B., i C. Karliampas. "Hemodynamic evaluation of aortic aneurysms using FSI simulations". W 10th edition of the International Conference on Computational Methods for Coupled Problems in Science and Engineering. CIMNE, 2023. http://dx.doi.org/10.23967/c.coupled.2023.017.
Pełny tekst źródłaAliabadi, Ardavan, i Klaus A. Hoffmann. "Three-Dimensional Fluid-Structure-Interaction Simulation of Tilting Disk Mechanical Heart Valve". W ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-65335.
Pełny tekst źródłaDholakia, R. J., C. Sadasivan, D. J. Fiorella, H. H. Woo i B. B. Lieber. "Flow Diverted Aneurysmal Hemodynamic Simulations and Validation With Experiments". W ASME 2013 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/sbc2013-14686.
Pełny tekst źródłaHe, Xing, Prem Venugopal, Juan R. Cebral, Holger Schmitt i Daniel J. Valentino. "Reproducibility of brain hemodynamic simulations: an inter-solver comparison". W Medical Imaging, redaktorzy Armando Manduca i Amir A. Amini. SPIE, 2006. http://dx.doi.org/10.1117/12.653970.
Pełny tekst źródłaLuo, Junqing, Xiaoming Wu, Huangcun Zeng i Hengxin Yuan. "Computer Simulations of Hemodynamic Effects of EECP During AEI-CPR". W 2010 4th International Conference on Bioinformatics and Biomedical Engineering (iCBBE 2010). IEEE, 2010. http://dx.doi.org/10.1109/icbbe.2010.5517599.
Pełny tekst źródłaMartin, Aristotle, Geng Liu, William Ladd, Seyong Lee, John Gounley, Jeffrey Vetter, Saumil Patel i in. "Performance Evaluation of Heterogeneous GPU Programming Frameworks for Hemodynamic Simulations". W SC-W 2023: Workshops of The International Conference on High Performance Computing, Network, Storage, and Analysis. New York, NY, USA: ACM, 2023. http://dx.doi.org/10.1145/3624062.3624188.
Pełny tekst źródłaBerger, Stanley A., Jennifer S. Stroud i Vitaliy Rayz. "Hemodynamic Simulations of Flow in Normal and Stenotic Carotid Arteries". W ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/bed-23136.
Pełny tekst źródłaHe, Yong, Christi M. Terry, Scott A. Berceli, Alfred K. Cheung i Yan-Ting E. Shiu. "A Longitudinal Study of Hemodynamics in a Functional Human Hemodialysis Fistula Using 3T Magnetic Resonance Imaging-Based Computational Fluid Dynamics Analysis". W ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19569.
Pełny tekst źródłaMetzger, Thomas A., Santanu Chandra i Philippe Sucosky. "Hemodynamic Abnormalities in Stented Carotid Artery: A Fluid Structure Interaction Study". W ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-93091.
Pełny tekst źródłaRadovic, Milos D., Nenad D. Filipovic, Zoran Bosnic, Petar Vracar i Igor Kononenko. "Mining data from hemodynamic simulations for generating prediction and explanation models". W 2010 10th IEEE International Conference on Information Technology and Applications in Biomedicine (ITAB 2010). IEEE, 2010. http://dx.doi.org/10.1109/itab.2010.5687679.
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