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1-20 of 37
Keywords: hemodynamics
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Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. December 2024, 146(12): 121002.
Paper No: BIO-24-1133
Published Online: September 6, 2024
...). This gives surgeons more freedom when implanting the valve but it also results in uncertainties regarding placement, particularly with respect to valve orientation. We investigate the pulmonary artery hemodynamics and valve leaflet dynamics of pulmonary valve replacements (PVRs) with various orientations via...
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. January 2023, 145(1): 011013.
Paper No: BIO-21-1445
Published Online: September 19, 2022
...Li Changsheng; Feng Haiquan; Wang Kun; Wang Xiaotian; Wang Yonggang Few reports study the effects of the anatomical structure of the iliac vein on hemodynamics and the methods to reduce and delay in-stent thrombosis. The anatomical structure of iliac vein stenosis was used to establish vascular...
Journal Articles
Christian J. Mandrycky, Ashley N. Abel, Samuel Levy, Laurel M. Marsh, Fanette Chassagne, Venkat K. Chivukula, Sari E. Barczay, Cory M. Kelly, Louis J. Kim, Alberto Aliseda, Michael R. Levitt, Ying Zheng
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. January 2023, 145(1): 011001.
Paper No: BIO-21-1298
Published Online: August 19, 2022
...Christian J. Mandrycky; Ashley N. Abel; Samuel Levy; Laurel M. Marsh; Fanette Chassagne; Venkat K. Chivukula; Sari E. Barczay; Cory M. Kelly; Louis J. Kim; Alberto Aliseda; Michael R. Levitt; Ying Zheng Hemodynamic factors have long been associated with clinical outcomes in the treatment...
Topics:
Aneurysms,
Computational fluid dynamics,
Endothelial cells,
Flow (Dynamics),
Hemodynamics,
Proteins,
Vessels,
Polarization (Electricity),
Polarization (Light),
Polarization (Waves)
Includes: Supplementary data
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. November 2022, 144(11): 111004.
Paper No: BIO-21-1381
Published Online: June 16, 2022
... computational fluid dynamics (CFD). First, the hemodynamics environment in the iliac arterial tree considering a large network of bifurcations was studied. The results showed complex blood flow patterns in the iliac arterial network. Subsequently, the transport of embolic particulates during PAE...
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. September 2022, 144(9): 091006.
Paper No: BIO-21-1387
Published Online: March 30, 2022
.... The effect of PFS intervention on the hemodynamic efficiency is estimated by all of the significant criteria used for the evaluation of aneurysm occlusion and possible rupture; the flow velocity, pressure, wall shear stress (WSS), and WSS-related indices. Results showed that PFS intervention preserves...
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. February 2022, 144(2): 021007.
Paper No: BIO-21-1153
Published Online: September 23, 2021
... with measured blood flow velocity waveforms in the common iliac arteries (with each body posture being maintained for 30 min) to build computational models for simulating intra-arterial hemodynamics. Morphological analyses showed that the external iliac arteries suffered from evident bending deformation upon...
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. September 2021, 143(9): 091001.
Paper No: BIO-20-1332
Published Online: May 6, 2021
... using a computational approach on a patient-specific basis under fully pulsatile hemodynamics with a multiscale computational fluid dynamics model incorporating a coupled Eulerian-Lagrangian scheme that effectively tracks emboli in the fluid domain. Blood is modeled as a non-Newtonian fluid based...
Topics:
Computational fluid dynamics,
Flow (Dynamics),
Particulate matter,
Thrombosis,
Risk,
Unsteady flow,
Ventricular assist devices
Includes: Supplementary data
Journal Articles
Liang Wang, Luping He, Haibo Jia, Rui Lv, Xiaoya Guo, Chun Yang, Don P. Giddens, Habib Samady, Akiko Maehara, Gary S. Mintz, Bo Yu, Dalin Tang
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. September 2021, 143(9): 091003.
Paper No: BIO-20-1496
Published Online: May 6, 2021
... might influence coronary hemodynamics and solid mechanics differently. Computational modeling could be used to quantify biomechanical conditions under which patients could receive patient-specific treatment plan with optimized outcome after antithrombotic therapy. More patient studies with follow-up...
Topics:
Fluid structure interaction,
Thrombosis,
Biomechanics,
Coherence (Optics),
Flow (Dynamics),
Vessels
Includes: Supplementary data
Journal Articles
Venkat Keshav Chivukula, Laurel Marsh, Fanette Chassagne, Michael C. Barbour, Cory M. Kelly, Samuel Levy, Christian Geindreau, Sabine Rolland du Roscoat, Louis J. Kim, Michael R. Levitt, Alberto Aliseda
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. July 2021, 143(7): 071002.
Paper No: BIO-20-1041
Published Online: April 1, 2021
... of aneurysms are treated with the same patient-specific endovascular coils. Synchrotron tomography scans of the coil mass morphology are obtained. Aneurysmal hemodynamics are computationally simulated before and after coiling, using patient-specific velocity/pressure measurements. For each patient, we analyze...
Topics:
Aneurysms,
Hemodynamics,
Platelets,
Simulation,
Computational fluid dynamics,
Porous materials,
Flow (Dynamics),
Modeling
Includes: Supplementary data
Journal Articles
Mostafa Mahmoudi, Ali Farghadan, Daniel R. McConnell, Alex J. Barker, Jolanda J. Wentzel, Matthew J. Budoff, Amirhossein Arzani
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. April 2021, 143(4): 041002.
Paper No: BIO-20-1283
Published Online: December 14, 2020
... and compare different mechanotransduction and biotransport mechanisms. e-mail: amir.arzani@nau.edu 22 06 2020 07 10 2020 14 12 2020 Coronary artery disease biochemical transport Lagrangian coherent structures mechanotransduction endothelial cells hemodynamics...
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. March 2021, 143(3): 031009.
Paper No: BIO-20-1247
Published Online: December 10, 2020
... and delayed remodeling of the local vasculature. Recent studies have demonstrated that this phenomenon may assume different roles depending on the treatment stage. However, the extent of such event on the intra-aneurysmal hemodynamics is still unclear; especially when performing two-step stent-assisted...
Journal Articles
Kimberly A. Stevens Boster, Melody Dong, Jessica M. Oakes, Chiara Bellini, Vitaliy L. Rayz, John F. LaDisa, Jr., Dave Parker, Nathan M. Wilson, Shawn C. Shadden, Alison L. Marsden, Craig J. Goergen
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. November 2020, 142(11): 111008.
Paper No: BIO-20-1136
Published Online: September 9, 2020
.... The results of this study suggest that integrated CFD software can be a helpful tool to teach hemodynamic and patient-specific modeling principles. Even though previous reports have described interactive educational resources for simulation-based teaching and learning [ 9 – 11 ], integrated CFD software...
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. March 2019, 141(3): 031005.
Paper No: BIO-18-1292
Published Online: January 18, 2019
... separation were found to be significant contributions to accurate reduce order modeling of transstenotic coronary hemodynamics. 1 Corresponding author. 2 Technically, FFR = ( P dist − P v / P ao − P v ), although central venous pressure ( P v < 8 mmHg) is often assumed negligible...
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. February 2019, 141(2): 021012.
Paper No: BIO-18-1238
Published Online: December 12, 2018
...; published online December 12, 2018. Assoc. Editor: Keefe B. Manning. 18 05 2018 08 11 2018 computational fluid dynamics (CFD) hemodynamics blood trauma hemolysis shear stress mesh sensitivity wall functions ventricular assist device (VAD) Despite extensive research...
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. June 2014, 136(6): 061005.
Paper No: BIO-13-1292
Published Online: April 25, 2014
... differences from the real flow. It also should note that there are numerous factors that cause diastolic dysfunction, such as LV hypertrophy, LV dilatation, pericarditis, etc. Each single pathological condition could yield differences in terms of hemodynamics and blood mixing. However, one common feature...
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. April 2014, 136(4): 041001.
Paper No: BIO-13-1087
Published Online: March 24, 2014
... , “ Echocardiographic Recognition of the Congenital Bicuspid Aortic Valve ,” Circulation , 49 ( 5 ), pp. 870 – 875 . 10.1161/01.CIR.49.5.870 [11] Barker , A. J. , and Markl , M. , 2011 , “ The Role of Hemodynamics in Bicuspid Aortic Valve Disease ,” Eur. J. Cardiothorac. Surg. , 39 ( 6 ), pp. 805...
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. April 2014, 136(4): 041007.
Paper No: BIO-13-1324
Published Online: March 24, 2014
... WSS, less blood stagnation area, and better blood flow close to the artery wall. From the viewpoint of the combination of solid mechanics and hemodynamics, the S-stent has better therapeutic effects because of its lower potential for inducing ISR and its better prospects in clinical...
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. January 2014, 136(1): 011009.
Paper No: BIO-13-1179
Published Online: December 4, 2013
... adjust blood viscosity and, consequently, flow resistance, which is relevant for hemodynamic simulations. The parametric descriptions of these effects, which consider the thickness of the endothelial surface layer (ESL), were derived from experiments in previous studies [ 45 ] and are given...
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. February 2013, 135(2): 021011.
Paper No: BIO-12-1552
Published Online: February 7, 2013
... the nonlinear heterogeneous mechanical properties of both the ILT and aneurysmal wall, preferably including constituent specific correlations with histological characteristics as a lesion evolves. (ii) Thrombus deposition and evolution—identify criteria that govern the initial and subsequent hemodynamically...
Journal Articles
Journal:
Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. February 2013, 135(2): 021023.
Paper No: BIO-12-1463
Published Online: February 7, 2013
..., 2013; accepted manuscript posted January 18, 2013; published online February 7, 2013. Editor: Victor H. Barocas. 03 10 2012 06 01 2013 18 01 2013 Studies investigating the relation between the focal nature of atherosclerosis and hemodynamic factors are employing increasingly...
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