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Journal Articles

Transient Performance Analysis of Centrifugal Left Ventricular Assist Devices Coupled With Windkessel Model: Large Eddy Simulations Study on Continuous and Pulsatile Flow Operation

Antonio Gil, Roberto Navarro, Pedro Quintero, Andrea Mares
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. October 2024, 146(10): 101008.
Paper No: BIO-24-1023
https://doi.org/10.1115/1.4065418
Published Online: May 13, 2024
View Article titled, Transient Performance Analysis of Centrifugal Left Ventricular Assist Devices Coupled With Windkessel Model: Large Eddy Simulations Study on Continuous and Pulsatile Flow Operation
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Topics: Flow (Dynamics), Large eddy simulation, Pressure, Pulsatile flow, Simulation, Transients (Dynamics), Ventricular assist devices, Fluids, Turbulence, Pumps
Journal Articles

Benchtop Models of Patient-Specific Intraventricular Flow During Heart Failure and LVAD Support

Vi Vu, Lorenzo Rossini, Juan C. del Alamo, Walter Dembitsky, Richard A. Gray, Karen May-Newman
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. November 2023, 145(11): 111010.
Paper No: BIO-23-1013
https://doi.org/10.1115/1.4063147
Published Online: September 4, 2023
View Article titled, Benchtop Models of Patient-Specific Intraventricular Flow During Heart Failure and LVAD Support
Open the PDF for Benchtop Models of Patient-Specific Intraventricular Flow During Heart Failure and LVAD Support in another window
Topics: Flow (Dynamics), Heart failure, Valves, Ventricular assist devices, Vortices, Blood, Hemodynamics, Shear (Mechanics), Fluids
Includes: Supplementary data
Journal Articles

Computational Fluid Dynamics Study of Cerebral Thromboembolism Risk in Ventricular Assist Device Patients: Effects of Pulsatility and Thrombus Origin

Ray Prather, Eduardo Divo, Alain Kassab, William DeCampli
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. September 2021, 143(9): 091001.
Paper No: BIO-20-1332
https://doi.org/10.1115/1.4050819
Published Online: May 6, 2021
View Article titled, Computational Fluid Dynamics Study of Cerebral Thromboembolism Risk in Ventricular Assist Device Patients: Effects of Pulsatility and Thrombus Origin
Open the PDF for Computational Fluid Dynamics Study of Cerebral Thromboembolism Risk in Ventricular Assist Device Patients: Effects of Pulsatility and Thrombus Origin in another window
Topics: Computational fluid dynamics, Flow (Dynamics), Particulate matter, Thrombosis, Risk, Unsteady flow, Ventricular assist devices
Includes: Supplementary data
Journal Articles

Magnetic Resonance Imaging Based Flow Field and Lagrangian Particle Tracking From a Left Ventricular Assist Device

Omid Amili, Robroy MacIver, Filippo Coletti
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. February 2020, 142(2): 021007.
Paper No: BIO-19-1028
https://doi.org/10.1115/1.4043939
Published Online: October 7, 2019
View Article titled, Magnetic Resonance Imaging Based Flow Field and Lagrangian Particle Tracking From a Left Ventricular Assist Device
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Topics: Aorta, Flow (Dynamics), Magnetic resonance imaging, Particulate matter, Vessels, Equations of motion, Ventricular assist devices, Thrombosis
Journal Articles

Characterizing the HeartMate II Left Ventricular Assist Device Outflow Using Particle Image Velocimetry

Grant W. Rowlands, Bryan C. Good, Steven Deutsch, Keefe B. Manning
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. July 2018, 140(7): 071008.
Paper No: BIO-17-1326
https://doi.org/10.1115/1.4039822
Published Online: April 30, 2018
View Article titled, Characterizing the HeartMate II Left Ventricular Assist Device Outflow Using Particle Image Velocimetry
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Topics: Flow (Dynamics), Particulate matter, Stress, Cardiac cycle, Ventricular assist devices, Physiology, Pumps, Shear stress
Journal Articles

Toward the Virtual Benchmarking of Pneumatic Ventricular Assist Devices: Application of a Novel Fluid–Structure Interaction-Based Strategy to the Penn State 12 cc Device

Alessandro Caimi, Francesco Sturla, Bryan Good, Marco Vidotto, Rachele De Ponti, Filippo Piatti, Keefe B. Manning, Alberto Redaelli
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. August 2017, 139(8): 081008.
Paper No: BIO-17-1034
https://doi.org/10.1115/1.4036936
Published Online: June 16, 2017
View Article titled, Toward the Virtual Benchmarking of Pneumatic Ventricular Assist Devices: Application of a Novel Fluid–Structure Interaction-Based Strategy to the Penn State 12 cc Device
Open the PDF for Toward the Virtual Benchmarking of Pneumatic Ventricular Assist Devices: Application of a Novel Fluid–Structure Interaction-Based Strategy to the Penn State 12 cc Device in another window
Topics: Blood, Diaphragms (Mechanical devices), Diaphragms (Structural), Fluid structure interaction, Fluids, Valves, Fluid dynamics, Ventricular assist devices, Dynamics (Mechanics), Flow (Dynamics)
Includes: Supplementary data
Journal Articles

Mathematical Modeling of Patient-Specific Ventricular Assist Device Implantation to Reduce Particulate Embolization Rate to Cerebral Vessels

I. Ricardo Argueta-Morales, Reginald Tran, Andres Ceballos, William Clark, Ruben Osorio, Eduardo A. Divo, Alain J. Kassab, William M. DeCampli
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. July 2014, 136(7): 071008.
Paper No: BIO-13-1188
https://doi.org/10.1115/1.4026498
Published Online: May 16, 2014
View Article titled, Mathematical Modeling of Patient-Specific Ventricular Assist Device Implantation to Reduce Particulate Embolization Rate to Cerebral Vessels
Open the PDF for Mathematical Modeling of Patient-Specific Ventricular Assist Device Implantation to Reduce Particulate Embolization Rate to Cerebral Vessels in another window
Topics: Aorta, Modeling, Particulate matter, Thrombosis, Vessels, Flow (Dynamics), Aortic arch, Ventricular assist devices
Includes: Multimedia, Supplementary data
Journal Articles

Thromboresistance Comparison of the HeartMate II Ventricular Assist Device With the Device Thrombogenicity Emulation-Optimized HeartAssist 5 VAD

Wei-Che Chiu, Gaurav Girdhar, Michalis Xenos, Yared Alemu, Jõao S. Soares, Shmuel Einav, Marvin Slepian, Danny Bluestein
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. February 2014, 136(2): 021014.
Paper No: BIO-13-1418
https://doi.org/10.1115/1.4026254
Published Online: February 5, 2014
View Article titled, Thromboresistance Comparison of the HeartMate II Ventricular Assist Device With the Device Thrombogenicity Emulation-Optimized HeartAssist 5 VAD
Open the PDF for Thromboresistance Comparison of the HeartMate II Ventricular Assist Device With the Device Thrombogenicity Emulation-Optimized HeartAssist 5 VAD in another window
Topics: Computer simulation, Flow (Dynamics), Impellers, Platelets, Thrombosis, Ventricular assist devices, Stress
Journal Articles

In Vitro Pulsatility Analysis of Axial-Flow and Centrifugal-Flow Left Ventricular Assist Devices

J. Ryan Stanfield, Craig H. Selzman
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Briefs
J Biomech Eng. March 2013, 135(3): 034505.
Paper No: BIO-12-1466
https://doi.org/10.1115/1.4023525
Published Online: February 11, 2013
View Article titled, In Vitro Pulsatility Analysis of Axial-Flow and Centrifugal-Flow Left Ventricular Assist Devices
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Topics: Axial flow, Flow (Dynamics), Pumps, Ventricular assist devices, Pressure
Journal Articles

A Quantitative Comparison of Mechanical Blood Damage Parameters in Rotary Ventricular Assist Devices: Shear Stress, Exposure Time and Hemolysis Index

Katharine H. Fraser, Tao Zhang, M. Ertan Taskin, Bartley P. Griffith, Zhongjun J. Wu
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. August 2012, 134(8): 081002.
https://doi.org/10.1115/1.4007092
Published Online: August 6, 2012
View Article titled, A Quantitative Comparison of Mechanical Blood Damage Parameters in Rotary Ventricular Assist Devices: Shear Stress, Exposure Time and Hemolysis Index
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Topics: Blood, Flow (Dynamics), Pressure, Shear stress, Damage, Ventricular assist devices, Scalars, Platelets, Computational fluid dynamics, Thrombosis
Journal Articles

A Fluid Dynamics Study in a 50 cc Pulsatile Ventricular Assist Device: Influence of Heart Rate Variability

Jason C. Nanna, Michael A. Navitsky, Stephen R. Topper, Steven Deutsch, Keefe B. Manning
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. October 2011, 133(10): 101002.
https://doi.org/10.1115/1.4005001
Published Online: October 31, 2011
View Article titled, A Fluid Dynamics Study in a 50 cc Pulsatile Ventricular Assist Device: Influence of Heart Rate Variability
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Topics: Flow (Dynamics), Magnification, Shear rate, Thrombosis, Ventricular assist devices, Shear (Mechanics), Data collection, Fluid dynamics, Pumps, Cardiac cycle
Journal Articles

Particle-Image Velocimetry Study of a Pediatric Ventricular Assist Device

E. Ferrara, M. Muramatsu, K. T. Christensen, I. A. Cestari
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. July 2010, 132(7): 071004.
https://doi.org/10.1115/1.4001252
Published Online: May 18, 2010
View Article titled, Particle-Image Velocimetry Study of a Pediatric Ventricular Assist Device
Open the PDF for Particle-Image Velocimetry Study of a Pediatric Ventricular Assist Device in another window
Topics: Blood, Cycles, Flow (Dynamics), Fluids, Particulate matter, Pediatrics, Pumps, Turbulence, Ventricular assist devices, Vortices
Journal Articles

Hemodynamics of an End-to-Side Anastomotic Graft for a Pulsatile Pediatric Ventricular Assist Device

Ning Yang, Steven Deutsch, Eric G. Paterson, Keefe B. Manning
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. March 2010, 132(3): 031009.
https://doi.org/10.1115/1.4000872
Published Online: February 17, 2010
View Article titled, Hemodynamics of an End-to-Side Anastomotic Graft for a Pulsatile Pediatric Ventricular Assist Device
Open the PDF for Hemodynamics of an End-to-Side Anastomotic Graft for a Pulsatile Pediatric Ventricular Assist Device in another window
Topics: Aorta, Flow (Dynamics), Pediatrics, Ventricular assist devices, Vessels, Turbulence, Hemodynamics, Cycles
Journal Articles

Numerical Study of Blood Flow at the End-to-Side Anastomosis of a Left Ventricular Assist Device for Adult Patients

Ning Yang, Steven Deutsch, Eric G. Paterson, Keefe B. Manning
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. November 2009, 131(11): 111005.
https://doi.org/10.1115/1.3212114
Published Online: October 16, 2009
View Article titled, Numerical Study of Blood Flow at the End-to-Side Anastomosis of a Left Ventricular Assist Device for Adult Patients
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Topics: Aorta, Flow (Dynamics), Turbulence, Ventricular assist devices, Vessels
Journal Articles

The 12 cc Penn State Pulsatile Pediatric Ventricular Assist Device: Fluid Dynamics Associated With Valve Selection

Benjamin T. Cooper, Breigh N. Roszelle, Tobias C. Long, Steven Deutsch, Keefe B. Manning
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. August 2008, 130(4): 041019.
https://doi.org/10.1115/1.2939342
Published Online: June 24, 2008
View Article titled, The 12 cc Penn State Pulsatile Pediatric Ventricular Assist Device: Fluid Dynamics Associated With Valve Selection
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Topics: Flow (Dynamics), Pediatrics, Rotational flow, Shear (Mechanics), Valves, Ventricular assist devices, Shear rate, Jets
Journal Articles

Computational Fluid Dynamics (CFD) Study of the 4th Generation Prototype of a Continuous Flow Ventricular Assist Device (VAD)

Xinwei Song, Houston G. Wood, Don Olsen
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Technical Papers
J Biomech Eng. April 2004, 126(2): 180–187.
https://doi.org/10.1115/1.1688776
Published Online: May 4, 2004
View Article titled, Computational Fluid Dynamics (CFD) Study of the 4th Generation Prototype of a Continuous Flow Ventricular Assist Device (VAD)
Open the PDF for Computational Fluid Dynamics (CFD) Study of the 4th Generation Prototype of a Continuous Flow Ventricular Assist Device (VAD) in another window
Topics: Blood, Computational fluid dynamics, Engineering prototypes, Flow (Dynamics), Pumps, Stress, Pressure, Impellers, Blades, Simulation
Journal Articles

A Method for Real-Time In Vitro Observation of Cavitation on Prosthetic Heart Valves

Conrad M. Zapanta, Edward G. Liszka, Jr., Theodore C. Lamson, David R. Stinebring, Steve Deutsch, David B. Geselowitz, John M. Tarbell
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. November 1994, 116(4): 460–468.
https://doi.org/10.1115/1.2895797
Published Online: November 1, 1994
View Article titled, A Method for Real-Time In Vitro Observation of Cavitation on Prosthetic Heart Valves
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Topics: Cavitation, Heart valve prostheses, Pressure, Fluids, Valves, Cavities, Cycles, Water, Blood, Bubbles
Journal Articles

LDA Measurements of Mean Velocity and Reynolds Stress Fields Within an Artificial Heart Ventricle

J. T. Baldwin, S. Deutsch, D. B. Geselowitz, J. M. Tarbell
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. May 1994, 116(2): 190–200.
https://doi.org/10.1115/1.2895719
Published Online: May 1, 1994
View Article titled, LDA Measurements of Mean Velocity and Reynolds Stress Fields Within an Artificial Heart Ventricle
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Topics: Artificial hearts, Stress, Valves, Turbulence, Flow (Dynamics), Cycles, Design, Blood, Cardiac cycle, Disks
Journal Articles

Determination of Principal Reynolds Stresses in Pulsatile Flows After Elliptical Filtering of Discrete Velocity Measurements

J. T. Baldwin, S. Deutsch, H. L. Petrie, J. M. Tarbell
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. November 1993, 115(4A): 396–403.
https://doi.org/10.1115/1.2895503
Published Online: November 1, 1993
View Article titled, Determination of Principal Reynolds Stresses in Pulsatile Flows After Elliptical Filtering of Discrete Velocity Measurements
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Topics: Filtration, Pulsatile flow, Stress, Velocity measurement, Flow (Dynamics), Cycles, Filters, Laser Doppler anemometry, Pumps, Rotation
Journal Articles

Aortic Pressure Estimation With Electro-Mechanical Circulatory Assist Devices

J. F. Gardner, M. Ignatoski, U. Tasch, A. J. Snyder, D. B. Geselowitz
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. May 1993, 115(2): 187–194.
https://doi.org/10.1115/1.2894120
Published Online: May 1, 1993
View Article titled, Aortic Pressure Estimation With Electro-Mechanical Circulatory Assist Devices
Open the PDF for Aortic Pressure Estimation With Electro-Mechanical Circulatory Assist Devices in another window
Topics: Pressure, Feedback, Automatic control, Cardiovascular system, Stress, Ventricular assist devices