Cited Publications

ViVitro Labs products are cited in hundreds of peer reviewed publications. Please contact us if you would like to add your publication to our list.

The Effects of Positioning of Transcatheter Aortic Valve on Fluid Dynamics of the Aortic Root EM Groves, A Falahatpisheh, JL Su, A Kheradvar – ASAIO Journal, 2014
… Experimental setup Pulsatile pump system: The heart-flow simulator consists of a hydraulic pump system (Superpump system, VSI, SPS3891, Vivitro systems Inc., Victoria, BC, Canada), which operates based on a VSI Wave Generator VG2001 (Vivitro Systems Incorporated, …

LEAFLET AND VALVE APPARATUS, WC Bruchman, CL Hartman – US Patent 20,140,163,671, 2014
… The flow pulse duplicator system included the following components supplied by VSI ViVitro Systems Inc., Victoria BC, Canada: a Super Pump, Servo Power Amplifier Part Number SPA 3891; a Super Pump Head, Part Number SPH 5891 B, 38.320 cm2 cylinder area; a valve …

A novel flow performance metric for the assessment of prosthetic heart valves, DE Vargas, BV Weidner, GC D’Antonio, O Pierrakos – Systems and Information …, 2014 … METHODS A commercially available heart simulator (Vivitro Heart system: SD2001-1) was utilized in this study as shown in Figure 2. This system has been utilized in previous studies supporting its efficacy and implementation [9-12]. … FIGURE 2 VIVITRO HEART SIMULATOR …

Validation of a numerical FSI simulation of an aortic BMHV by in vitro PIV experiments, S Annerel, T Claessens, J Degroote, P Segers… – Medical Engineering & …, 2014 … A recirculating hydraulic circuit is developed consisting of a pulse duplicator system (Vivitro Labs Inc, Victoria, Canada) for imposing pulsatile flow, the acrylic test section for mounting the valve prosthesis, a Windkessel chamber for mimicking arterial compliance, a peripheral …

Power Consumption of Rotary Blood Pumps: Pulsatile Versus Constant‐Speed Mode, T Pirbodaghi, C Cotter, K Bourque – Artificial Organs, 2014  … The magnetically levitated rotor makes it feasible to modulate the pump speed without concern for contact-bearing friction that can impede rotation. The pump was connected to a commercial  LV simulator (ViVitro Systems, Victoria, BC, Canada), schematically illustrated in Fig. …

Development and characterization of acellular porcine pulmonary valve scaffolds for tissue engineering, J Luo, SA Korossis, SPP Wilshaw, LM Jennings… – Tissue Engineering, 2014  … testing. The flow simulator has been described previously. 27 It mimicked the right heart and was controlled and monitored by the ViviTest software (Vivitro Systems Inc). The simulator was set up as described by Korossis et al. …

Design considerations and quantitative assessment for the development of percutaneous mitral valve stent, GP Kumar, F Cui, HQ Phang, B Su, HL Leo, JKF Hon – Medical Engineering & Physics, 2014  … The ventricular chamber was connected to a program-controlled piston pump (Vivitro Superpump, AR Series). The piston’s movement dilates and contracts the transparent silicone sac (ie left ventricle) to mimic the beating ventricle. …

A metric for the stiffness of calcified aortic valves using a combined computational and experimental approach, Medical & Biological Engineering & Computing, January 2014, Volume 52, Issue 1, pp 1-8. H. Maleki, S. Shahriari, L. G. Durand, M. R. Labrosse, L. Kadem

An in vitro model of aortic stenosis for the assessment of transcatheter aortic valve implantation, Journal of Biomechanical Engineering, doi:10.1115/1.4026576. H. Maleki, S. Shahriari, M. Labrosse, P. Pibarot and L. Kadem

A Wave Dynamics Criterion for Optimization of Mammalian Cardiovascular System  NM Pahlevan, M Gharib – Journal of Biomechanics, 2014 A piston-in-cylinder pump (ViVitro Labs Inc. SuperPump System: Model … DPT-400). Tri-pack pressure measuring systems TP8891 (Vivitro Labs Inc.) consisting of three bridge amplifiers were used to collect the signals. Volume …

IMPLANTABLE PROSTHETIC VALVES AND METHODS A Kheradvar – US Patent 20,140,046,436, 2014
… The ventricular sac was suspended over a plexiglas atria 204 to be free-floating inside a rigid, water-filled, container made from plexiglas (not shown) and connected to a hydraulic pump system (Superpump system; Vivitro Systems Inc., Victoria, BC, Canada—not shown). …

A Bio-Inspired Approach for the Reduction of Left Ventricular Workload  NM Pahlevan, M Gharib – PLOS ONE, 2014… doi:10.1371/journal.pone.0087122.g001. The left ventricle was simulated by a piston-in-cylinder pump (ViVitro Labs Inc. … The signals were collected using the Tri-pack pressure measuring systems (TP8891, Vivitro Labs Inc.).

PULSE DUPLICATOR SYSTEM FOR IN VITRO EVALUATION OF PROSTHETIC HEART VALVES–DATA ACQUISITION SYSTEM DEVELOPED IN LABVIEW  O Bazan, JP Ortiz, DY Yamashita – 2013… 2012  VLI, 2009. “Vivitro Labs Inc.” 7 Oct 2009 Yoganathan, AP, Zhaoming, H. and Jones, SC, 2004. “Fluid mechanics of heart valves”. In Annu. Rev. Biomed

Simulating the Dynamics of an Aortic Valve Prosthesis in a Pulse Duplicator: Numerical Methods and Initial Experience BE Griffith, V Flamini, A DeAnda, L Scotten – Journal of Medical Devices, 2013… Department of Cardiothoracic Surgery, New York University School of Medicine. Lawrence Scotten ViVitro Systems, Inc. 1 Corresponding author. Manuscript received September 25, 2013; final manuscript received October 8, 2013; published online December 5, 2013.

Left ventricle phantom and experimental setup for MRI and echocardiography–Preliminary results of data acquisitions S Cygan, K Werys, Ł Błaszczyk, T Kubik, K Kałużyński – … and Biomedical Engineering, 2013 … 1 – Vivitro SuperPump, 2 – Vivitro controller, 3 – PC, 4 – constant pressure container, 5 – a phantom tank, 6 – the LV phantom, 7 – the body coil. … The phantom was deformed by a pump for hemodynamic simulations (SuperPump, Vivitro, Canada).

Angiographic quantification of contrast medium washout from cerebral aneurysms after stent placement.  Sadasivan C, Lieber BB, Gounis MJ, Lopes DK, Hopkins LN.


In-Vitro Calcification Study of Polyurethane Heart Valves   P Boloori_Zadeh, SC Corbett, H Nayeb-Hashemi – Materials Science and …, 2013 Science Direct

Role of the sinuses of Valsalva on the opening of the aortic valve G Pisani, R Scaffa, O Ieropoli, EM Dell’Amico… – The Journal of Thoracic …, 2013 – Elsevier

Hemodynamics in the Valsalva Sinuses after Transcatheter Aortic Valve Implantation (TAVI) A Ducci, S Tzamtzis, MJ Mullen… – The Journal of Heart …, 2013 –

In-vitro investigation of a potential wave pumping effect in human aorta   A Ducci, S Tzamtzis, MJ Mullen… – The Journal of Heart …, 2013 –

Manufacturing of patient-specific optically accessible airway models by fused deposition modeling M Vermeulen, T Claessens… – Rapid Prototyping …, 2013 –

Tubular Heart Valves from Decellularized Engineered Tissue ZH Syedain, LA Meier, JM Reimer… – Annals of biomedical …, 2013 – Springer

In Vitro Evaluation of a Novel Hemodynamically Optimized Trileaflet Polymeric Prosthetic Heart Valve M Kuetting, U Steinseifer, MJ Slepian, D Bluestein –, Journal of Biomechanical Engineering Copyright VC 2013 by ASME

 A Physical Model of the Human Circulatory System for the Modeling, Control and Diagnostic of Cardiac Support Processes A Siewnicka, K Janiszowski, M Gawlikowski – Mechatronics 2013, 2014 – Springer

 Ventricular Contractility and Compliance Measured During Axial Flow Blood Pump Support: In Vitro Study CS Jhun, JP Cysyk – Artificial organs, 2013 – Wiley Online Library

Vortex Phenomena in Sidewall Aneurysm Hemodynamics: Experiment and Numerical Simulation TB Le, DR Troolin, D Amatya*, EK Longmire… – Annals of biomedical …, 2013 – Springer    *ViVitro Labs employee

 Optimization and Verification of a Novel Trileaflet Polymeric Prosthetic Heart Valve TE Claiborne III –

In-vitro investigation of a potential wave pumping effect in human aorta Niema M. Pahlevana, Morteza Ghariba, – Journal of Biomechanics Volume 46, Issue 13, 3 September 2013, Pages 2122–2129

 Manufacturing of patient-specific optically accessible airway models by fused deposition modeling M Vermeulen, T Claessens… – Rapid Prototyping …, 2013 –

 Particle Image Velocimetry (PIV) Flow Measurements of Carotid Artery Bifurcation with Application to a Novel Covered Carotid Stent Design F Kabinejadian, HL Leo, A Danpinid, F Cui… – World Congress on …, 2013 – Springer

Experimental and Computational Studies of the Aortic Bi-leaflet Mechanical Heart Valve (BMHV) Hemodynamics in an Idealized Left Ventricle  T Bao Le, B Chaffin, L Mirabella… – QScience …, 2012 –

A methodology of measuring coronary flow in a porcine aortic root using a pulsatile flow loop J Calderan, E Sirois, W Sun – … Conference (NEBEC), 2012 38th …, 2012 –

A Direct In Vitro Comparison of the Edwards SAPIEN and Medtronic CoreValve Transcatheter Aortic Valve implantation (TAVI) Devices and a Surgical Counterpart S Tzamtzis, J Yap, M Mullen, G Burriesci – 2011 –

Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves. S Ramaswamy, M Salinas, R Carrol… – Journal of visualized …, 2012 –

Manufacturing and hydrodynamic assessment of a novel aortic valve made of a new nanocomposite polymer B Rahmani, S Tzamtzis, H Ghanbari, G Burriesci… – Journal of …, 2012 – Elsevier

High-speed particle image velocimetry to assess cardiac fluid dynamics< i> in vitro</i>: From performance to validation A Falahatpisheh, A Kheradvar – European Journal of Mechanics-B/Fluids, 2012 – Elsevier

Phase-resolved velocity measurements in the Valsalva sinus downstream of a Transcatheter Aortic Valve. A Ducci, S Tzamtzis, M Mullen, G Burriesci – 2012 –

Ex vivo hemodynamic assessment of mechanical aortic valve gradients using a high‐fidelity pressure wire AD Michaels, D Mester – Catheterization and Cardiovascular …, 2011 – Wiley Online Library

Importance of Shear in Prosthetic Valve Closure Dynamics LN Scotten**, R Siegel – The Journal of heart valve disease, 2011 –  **ViVitro Labs Founder

Dilatation of the ascending aorta in patients with congenitally bicuspid aortic valves F Robicsek, RF Padera Jr… – HSR proceedings in …, 2012 –

Valve-in-valve hemodynamics of 20-mm transcatheter aortic valves in small bioprostheses AN Azadani, N Jaussaud, L Ge, S Chitsaz… – The Annals of thoracic …, 2011 – Elsevier

Design conception and experimental setup for in vitro evaluation of mitral prosthetic valves O Bazan, JP Ortiz – Revista Brasileira de Cirurgia Cardiovascular, 2011 – SciELO Brasil

Rotary blood pump control using integrated inlet pressure sensor J Cysyk, CS Jhun, R Newswanger… – … in Medicine and …, 2011 –

A flowmeter for unsteady liquid flow measurements in total liquid ventilation A Beaulieu, E Foucault, P Braud… – … (MeMeA), 2011 IEEE …, 2011 –

Signal processing of heart signals for the quantification of non-deterministic events V Millette, N Baddour – Biomedical engineering online, 2011 –

Concepção de bancada e montagem de experimento para a análise in vitro de próteses cardíacas mitrais O Bazan, JP Ortiz – Rev Bras Cir Cardiovasc, 2011 – SciELO Brasil


Experimental technique of measuring dynamic fluid shear stress on the aortic surface of the aortic valve leaflet CH YapN Saikrishnan, G Tamilselvan… – Transactions of the …, 2011 –

Optimization and Verification of a Novel Trileaflet Polymeric Prosthetic Heart Valve TE Claiborne III –

Analysis of the flow field downstream a bileaflet valve inside an aortic arch laboratory model S Fortini, S Espa, R Toninato, L Pacetti, G Querzoli… – assessment, 2012 –

Product Development Cycle of a Surgical Device for Mitral Valve Repair and Surgical Training Simulator Development Plan for the Same A Saini – 2011 –


Zastosowanie techniki śledzenia markerów akustycznych w ocenie funkcji lewej komory serca. Badania in vivo i in vitro R Olszewski – IPPT Reports on Fundamental Technological …, 2012 –

Evaluation of an asymmetric stent patch design for a patient specific intracranial aneurysm using Computational Fluid Dynamic (CFD) calculations in the Computed Tomography (CT) derived lumen: Minsuok Kim, Ciprian Ionita, Rekha Tranquebar, Kenneth R. Hoffmann, Dale B. Taulbee, Hui Meng, and Stephen Rudin Proc Soc Photo Opt Instrum Eng. Author manuscript; available in PMC February 8, 2011.

Ex vivo hemodynamic assessment of mechanical aortic valve gradients using a high-fidelity pressure wire: Andrew D. Michaels MD, David Mester, Catheterization and Cardiovascular Interventions Vol. 77, issue 5, pages 726-732, April 2011.

Structural analysis of the natural aortic valve in dynamics: From unpressurized to physiologically loaded Michel R. Labrosse, Keegan Lobo, Carsten J. Beller, Journal of Biomechanics 43, 1916–1922; 2010.

Flow analysis in patient specific lower airways using PIV: Mathias Vermeulen, Cedric Van Holsbeke, Tom Claessens, Jan W. De Backer, Peter Van Ransbeeck, Pascal Verdonck, 15th Int Symp on Applications of Laser Techniques to Fluid Mechanics Lisbon, Portugal, 05-08 July, 2010.

Revisiting the Simplified Bernoulli Equation: Jeffrey J. Heys, Nicole Holyoak, Anna M. Calleja, Marek Belohlavek and Hari P. Chaliki, The Open Biomedical Engineering Journal 4, 123-128; 2010.

Development and evaluation of a novel artificial catheter-deliverable prosthetic heart valve and method for in vitro testing: Thomas E. Claiborne, Danny Bluestein, Richard T. Schoephoerster, The International Journal of Artificial Organs, Vol. 32, no. 5, pp. 262-271; 2009.

A method for the measurement of left ventricular overload for aortic valve insufficiency: Travis BR, Fowler BL, Robicsek F.; J Heart Valve Dis. (5):499-506; Sep 18, 2009.

Energy Loss Due to Paravalvular Leak With Transcatheter Aortic Valve Implantation: Ali N. Azadani, PhD, Nicolas Jaussaud, MD, Peter B. Matthews, BS, Liang Ge, PhD, T. Sloane Guy, MD, Timothy A.M. Chuter, MD, Elaine E. Tseng, MD.; Ann Thorac Surg 2009;88:1857-1863, Aug 11, 2009.

On Mitral Valve Dynamics and its Connection to Early Diastolic Flow: Arash Kheradvar and Morteza Gharib; Annals of Biomedical Engineering: 37, Issue 1; 2009.

Hydrodynamic Evaluation of a Minimally Invasive Heart Valve in an Isolated Aortic Root Using a Modified In Vitro Model: Qiang Wang, Fernando Jaramillo, Yasushi Kato, Leonard Pinchuk, and Richard T. Schoephoerster; J. Med. Devices 3, 011002, 2009.

A Novel, Low Cost, Disposable, Pediatric Pulsatile Rotary Ventricular Pump For Cardiac Surgery that Provides a Physiological Flow Pattern: Mazur, Daniel E.; Osterholzer, Kathryn R.; Toomasian, John M.; Merz, Scott I.; ASAIO Journal: 54, Issue 5; 523-528; 2008.

Effect of oscillation on elevating shear stresses: A. A. Sakhaeimanesh; Journal of Medical Engineering & Technology: 32, Issue 6; 434 – 439; 2008.

Systemic pressure does not directly affect pressure gradient and valve area estimates in aortic stenosis in vitro: Julia Mascherbauer, Christina Fuchs, Martin Stoiber, Heinrich Schima, Elisabeth Pernicka, Gerald Maurer and Helmut Baumgartner; European Heart Journal: 29, Issue 16; 2049-2057; 2008.

Stentless Valves Treated by the L-Hydro Process in the Aortic Position in Sheep: Paulo C Santos, Luís R Gerola, Ivan Casagrande, Ênio Buffolo and David T Cheung; Asian Cardiovasc Thorac Ann ;15:413-417; 2007.

Correlation Between Vortex Ring Formation and Mitral Annulus Dynamics During Ventricular Rapid Filling: Kheradvar, Arash; Milano, Michele; Gharib, Morteza; ASAIO Journal: 53, Issue 1; 8-16; 2007.

Flow Visualization Through Two Types of Aortic Prosthetic Heart Valves Using Stereoscopic High-speed Particle Image Velocimetry: Radoslav Kaminsky, Stephan Kallweit, Hans-Joachim Weber, Tom Claessens, Krzysztof Jozwik, and Pascal Verdonck; Artificial Organs: 31, Issue 12; 869 – 879; 2007.

Influence of Ventricular Pressure Drop on Mitral Annulus Dynamics Through the Process of Vortex Ring Formation: Arash Kheradvar and Morteza Gharib; Annals of Biomedical Engineering: 35, Issue 12; 2050-2064; 2007.

Shear Stress Investigation Across Mechanical Heart Valve: Zhang, Pei; Yeo, Joon Hock; Qian, Ping; Hwang, Ned H. C.; ASAIO Journal: 53, Issue 5; 530-536; 2007.

An In Vitro Study of Changing Profile Heights in Mitral Bioprostheses and Their Influence on Flow: Kheradvar, Arash; Kasalko, Jeff; Johnson, Derrick; Gharib, Morteza; ASAIO Journal: 52, Issue 1; 34-38; 2006.

Anticoagulation for An Artificial Liver Support Device, the I.M.P.A.C.T. System(Tm) (Intermittent Modular Plasma Adsorption of Cytokines and Toxins): Hillebrand, Donald J.; Pfeifle, John; Roberts, Craig; Lo, Takkin; Hay, Karen; Bull, Brian; Frederick, Todd; Gish, Robert G.; ASAIO Journal: 52, Issue 2; 10A; 2006.

Cavitation Behavior of Three Monoleaflet Valves Under Accelerated Testing: Lo, Chi-Wen; Liu, Jia-Shing; Lu, Po-Chien; Hwang, Ned H; ASAIO Journal: 52, Issue 2; 1A; 2006.

Development of Squeeze Flow in Mechanical Heart Valve: A Particle Image Velocimetry Investigation: Zhang, Pei; Yeo, Joon Hock; Hwang, N H. C.; ASAIO Journal: 52, Issue 4; 391-397; 2006.

Faster flow quantification using sensitivity encoding for velocity-encoded cine magnetic resonance imaging: In vitro and in vivo validation: Ashwin Prakash, MD, Ruchira Garg, MD, Edward N. Marcus, MSc, Glenn Reynolds, PhD, Tal Geva, MD, Andrew J. Powell, MD; Journal of Magnetic Resonance Imaging: 24, Issue 3; 676 – 682; 2006.

In Vitro 3D High Speed Piv Measurements Behind An Aortic Artificial Heart Valve: Kaminsky, Radoslav; Kallweit, Stephan; Weber, Hans J.; Simons, Antoine P.; Verdonck, Pascal; ASAIO Journal: 52, Issue 2; 4A; 2006.

Morphologic Evaluation of Autologous in Situ Tissue-Engineered Small Intestine: Nakase, Yuen; Hagiwara, Akeo; Nakamura, Tatsuo; Nakashima, Susumu; Ikada, Yoshihito; Yamagishi, Hisakazu; ASAIO Journal: 52, Issue 2; 3A; 2006.

Quantitative approach to aortic valve-sparing surgery: Carsten J. Bellera, Michel R. Labrosseb, Francis Robicsek and Mano J. Thubrikar; Interactive Cardiovascular and Thoracic Surgery: 5; 526-530; 2006.

The Possible Mechanism of Reduced Antigenicity of the Tracheal Bioartificial Organ Treated By Cryopreservation: Liu, Yu; Zheng, Ruheng; Wang, Qun; Ding, Jianyong; Qiao, Yulei; ASAIO Journal: 52, Issue 2; 9A; 2006.

Tissue Engineering of the Common Bile Duct Using Mesh-Collagen Hybrid Scaffolds: Nakashima, Susumu; Nakamura, Tatsuo; Yoshikawa, Tetsuji; Kin, Shuichi; Kuriu, Yoshiaki; Nakase, Yuen; Sakakura, Chohei; Otsuji, Eigo; Hagiwara, Akeo; Yamagishi, Hisakazu; ASAIO Journal: 52, Issue 2; 5A; 2006.

Comparison of the flow downstream two prototypes of a new monoleaflet artificial aortic heart valve by means of PIV visualization: R. K. Kaminsky; H. J. Weber; A. P. Simons; S. Kallweit; K. Kramm; P. R. Verdonck; Computer Methods in Biomechanics and Biomedical Engineering: 8, Issue 4; 159 – 160; 2005.

First Human Case of Retrograde Transcatheter Implantation of an Aortic Valve Prosthesis: David Paniagua, MD, José A. Condado, MD, José Besso, MD, Manuel Vélez, MD, Bruno Burger, MD, Salvatore Bibbo, MD, Douglas Cedeno, MD, Harry Acquatella, MD, Carlos Mejia, BA, Eduardo Induni, MD, and R. David Fish, MD; Texas Heart Institute Journal: 32, Issue 3; 393–398; 2005.

Normal Physiological Conditions Maintain the Biological Characteristics of Porcine Aortic Heart Valves: An Ex Vivo Organ Culture Study: Suchitra Konduri, Yun Xing, James N. Warnock, Zhaoming He and Ajit P. Yoganathan; Annals of Biomedical Engineering: 33, Issue 9; 1158-1166; 2005.

Slice location dependence of aortic regurgitation measurements with MR phase velocity mapping: George P. Chatzimavroudis, Peter G. Walker, John N. Oshinski, Robert H. Franch, Roderic I. Pettigrew, Ajit P. Yoganathan, Ph.D.; Magnetic Resonance in Medicine: 37, Issue 4; 545 – 551; 2005.

Three-Dimensional Numeric Simulation of Flow Through an Aortic Bileaflet Valve in a Realistic Model of Aortic Root: Grigioni, Mauro; Daniele, Carla; Del Gaudio, Costantino; Morbiducci, Umberto; Balducci, Antonio; D’Avenio, Giuseppe; Barbaro, Vincenzo; ASAIO Journal: 51, Issue 3; 176-183; 2005.

What parameters affect left ventricular diastolic flow propagation velocity? in vitro studies using color m-mode doppler echocardiography: Toshihiro Ogawa, Lawrence N Scotten,** David K Walker**, Ajit P Yoganathan, Renee L Bess, Cheryl K Nordstrom, and Julius M Gardin; Cardiovasc Ultrasound; 2005.  **ViVitro Labs Founder

Design and construction of a left ventricular cardiovascular assist device: Vedi, Manmeet Singh; Texas A&M University; 2004.

Fast Measurements of Flow through Mitral Regurgitant Orifices with Magnetic Resonance Phase Velocity Mapping: Haosen Zhang, Sandra S. Halliburton, Richard D. White and George P. Chatzimavroudis; Annals of Biomedical Engineering: 32, Issue 12; 1618-1627; 2004.

Value and limitations of aortic valve resistance with particular consideration of low flow–low gradient aortic stenosis: an in vitro study: Julia Mascherbauera, Heinrich Schimab, Raphael Rosenheka, Martin Czernyc, Gerald Maurera and Helmut Baumgartnera; European Heart Journal: 25, Issue 9; 787-793; 2004.

Relation Between Negative Near-Wall Shear Stress in Human Aorta and Various Stages of Congestive, Heart Failure: Morteza Gharib and Masoud Beizaie; Annals of Biomedical Engineering: 2003

Correlation Between Negative Near-Wall Shear Stress in Human Aorta and Various Stages of Congestive Heart Failure: Morteza Gharib and Masoud Beizaie; Annals of Biomedical Engineering: 31, Issue 6; 678-685; 2003.

Accurate quantification of steady and pulsatile flow with segmented k-space magnetic resonance velocimetry: Experiments in Fluids: 33, Issue 3; 458-463; 2002.

Hydrodynamic function of the second-generation mitroflow pericardial bioprosthesis: Louise M. Jennings, MEngb, Abdusalam El-Gatit, MDa, Zsolt L. Nagy, PhDa, John Fisher, DEngb, Peter G. Walker, PhDb, Kevin G. Watterson, FRACS; The Annals of Thoracic Surgery: 74; 63-68; 2002.

Particle Image Velocimetry Assessment of Stent Design Influence on Intra-Aneurysmal Flow: Baruch B. Lieber1, Veronica Livescu, L. N. Hopkins and Ajay K. Wakhloo; Annals of Biomedical Engineering: 30, Issue 6; 768-777; 2002.

Prosthetic replacement of the aorta is a risk factor for aortic root aneurysm development: Natascha Simon-Kupilik, MDa, Heinz Schima, PhDb, Leopold Huber, MEb, Reinhard Moidl, MDa, Gerhard Wipplingerb, Udo Losert, MDc, Ernst Wolner, MDa, Paul Simon, MD; The Annals of Thoracic Surgery: 73; 455-459; 2002.

Ultrafast Flow Quantification With Segmented k-Space Magnetic Resonance Phase Velocity Mapping: Haosen Zhang, Sandra S. Halliburton, James R. Moore, Orlando P. Simonetti, Paulo R. Schvartzman, Richard D. White and George P. Chatzimavroudis; Annals of Biomedical Engineering: 30, Issue 1; 120-128; 2002.

A new aortic root prosthesis with compliant sinuses for valve-sparing operations: Mano J. Thubrikar, PhDa, Francis Robicsek, MD, PhDa, Geoffrey G. Gong, MDa, Brett L. Fowler, BSa; The Annals of Thoracic Surgery: 71; S318-S322; 2001.

Decellularized human valve allografts: Ronald C. Elkins, MDa, Patti E. Dawson, BSb, Steven Goldstein, PhDb, Steven P. Walsh, PhDb, Kirby S. Black, PhDb; The Annals of Thoracic Surgery: 71; S428-S432; 2001.

Evaluation of the Precision of Magnetic Resonance Phase Velocity Mapping for Blood Flow Measurements: George P. Chatzimavroudis; John N. Oshinski; Robert H. Franch; Peter G. Walker; Ajit P. Yoganathan; Roderic I. Pettigrew; Journal of Cardiovascular Magnetic Resonance: 3, Issue 1; 11 – 19; 2001.

Flow Characteristics Past Jellyfish and St. Vincent Valves in the Aortic Position Under Physiological Pulsatile Flow Conditions: Yos S. Morsi and Ali A. Sakhaeimanesh; Artificial Organs: 24, Issue 7; 564 – 574; 2001.

Method of ranking of heart valve characteristics at mitral position based on statistical model analysis: Makoto Arita, Kiyotaka Iwasaki, Mitsuo Umezu, Masanori Yoshida, Tetsuo Fujimoto, Hisayoshi Suma and Tadashi Isomura; Journal of Artificial Organs: 4, Issue 2; 131-137; 2001.

Pressure-Volume Relationship of a Pulsatile Blood Pump for Ventricular Assist Device Development: Yu, Yih-Choung; Boston, J. Robert; Simaan, Marwan A.; Miller, Phil J.; Antaki, James F.; ASAIO Journal: 47, Issue 3; 293-301; 2001.

In vitro comparison of steady and pulsatile flow characteristics of jellyfish heart valve: Yos S. Morsi; Journal of Artificial Organs: 3, Issue 2; 143-148; 2000.

Influence of sizing and subcoronary implantation technique on the function of porcine aortic homografts: M. J. Thubrikar; G. G. Gong; I. E. Konstantinov; G. A. Selim; B. L. Fowler; F. Robicsek; Journal of Medical Engineering & Technology: 24, Issue 4; 173 – 180; 2000.

Motion correction for the quantification of mitral regurgitation using the control volume method: Peter G. Walker, K. Houlind, C. Djurhuus, W.Y. Kim, E.M. Pedersen; Magnetic Resonance in Medicine: 43, Issue 5; 726 – 733; 2000.

Transpecies heart valve transplant: advanced studies of a bioengineered xeno-autograft: Steven Goldstein, PhDa, David R. Clarke, MDb, Steven P. Walsh, PhDa, Kirby S. Black, PhDa, Mark F. O’Brien, MDc; The Annals of Thoracic Surgery: 70; 1962-1969; 2000.

A Physical Model Describing the Mechanism for Formation of Gas Microbubbles in Patients with Mitral Mechanical Heart Valves: Edmond Rambod, Masoud Beizaie, Michael Shusser, Simcha Milo and Morteza Gharib; Annals of Biomedical Engineering: 27, Issue 6; 774-792; 1999.

Analysis of regurgitation, mean systolic pressure drop and energy losses for two artificial aortic valves: A. A. Sakhaeimanesh; Y. S. Morsi; Journal of Medical Engineering & Technology: 23, Issue 2; 63 – 68; 1999.

Independent effects of preload, afterload, and contractility on left ventricular torsion: Sheng-Jing Dong, Paul S. Hees, Wen-Mei Huang, Sam A. Buffer Jr., James L. Weiss, and Edward P. Shapiro; American Journal of Physiology: 277; 1999.

Prosthetic heart valve evaluation by magnetic resonance imaging: J. Michael Hasenkama, b, Steffen Ringgaardc, Kim Houlindb, René M. Botnard, Hans Stødkilde-Jørgensenc, Peter Boesigerd, Erik Morre Pedersena, b, c; European Journal of Cardio-Thoracic Surgery: 16; 300-305; 1999.

Accuracy of Arterial Pulse-Wave Velocity Measurement Using MR: Bradley D. Bolster, Jr, MSE, Ergin Atalar, PhD, Christopher J. Hardy, PhD, and Elliot R. McVeigh, PhD; Journal of Magnetic Resonance Imaging: 8, Issue 4; 878–888; 1998.

Assessment of Small-Diameter Aortic Mechanical Prostheses: Richard H. Marcus, MBBCh; Russell S. Heinrich, BSE; James Bednarz, BS; Stephen Lupovitch, MD; Joseph Abruzzo, MD; Raphael Borok, MBBCh; Byron Vandenberg, MD; Richard E. Kerber, MD; William Piccione, MD; Ajit P. Yoganathan, PhD; Roberto M. Lang, MD; American Heart Association: 98; 866-872; 1998.

Fluid dynamics of the CarboMedics kinetic bileaflet prosthetic heart valve: JT Baldwin, A Campbell, C Luck, W Ogilvie and J Sauter; Eur J Cardiothorac Surg 1997;11:287-292.

Anterior and posterior left ventricular sarcomere lengths behave similarly during ejection: J. M. Guccione, W. G. O’Dell, A. D. McCulloch and W. C. Hunter; American Journal of Physiology: 272; 1997.

Correlation of radionuclide and optical tracer assessments of fluid flow in artificial ventricles: M L J Rose, G A Wright, T G Mackay, W Martin and D J Wheatley; Physiological Measurement: 18; 171-182; 1997.

DYNAMIC CARDIAC COMPRESSION IMPROVES CONTRACTILE EFFICIENCY OF THE HEART: Osamu Kawaguchi, MDa, Yoichi Goto, MDb, Yuichi Ohgoshi, MDb, Hitoshi Yaku, MDb, Mitsuya Murase, MDa, Hiroyuki Suga, MDc; The Journal of Thoracic and Cardiovascular Surgery: 113; 923-931; 1997.

The importance of slice location on the accuracy of aortic regurgitation measurements with magnetic resonance phase velocity mapping: George P. Chatzimavroudis, Peter G. Walker, John N. Oshinski, Robert H. Franch, Roderic I. Pettigrew and Ajit P. Yoganathan; Annals of Biomedical Engineering: 25, Issue 4; 644-652; 1997.

Experimental analysis of fluid mechanical energy losses in aortic valve stenosis: Importance of pressure recovery: Russell S. Heinrich, Arnold A. Fontaine, Randall Y. Grimes, Aniket Sidhaye, Serena Yan1, Kristin E. Moore, Robert A. Levine and Ajit P. Yoganathan; Annals of Biomedical Engineering: 24, Issue 6; 685-694; 1996.

Hydrodynamic function of tilting disc prostheses and bileaflet valves in double valve replacement: M. Strüber, A. Campbell, G. Richard and J. Laas; European Journal of Cardio-Thoracic Surgery: 10, Issue 6; 422-427; 1996.

Pressure trap created by vein valve closure and its role in graft stenosis: Mano J. Thubrikar, PhD, Francis Robicsek, MD, Brett L. Fowler, BS; The Journal of Thoracic and Cardiovascular Surgery: 107; 707-716; 1994.

The effects of dynamic cardiac compression on ventricular mechanics and energetics: Role of ventricular size and contractility: Osamu Kawaguchi, MD, Yoichi Goto, MD, Shiho Futaki, MD, Yuichi Ohgoshi, MD, Hitoshi Yaku, MD, Hiroyuki Suga, MDa; The Journal of Thoracic and Cardiovascular Surgery: 107; 850-859; 1994.

A Database Obtained From In Vitro Function Testing of Mechanical Heart Valves: David K. Walker PhD**, Lawrence N. Scotten**: J Heart Valve Dis, Vol. 3 No. 5 Sep. 1994.  **ViVitro Labs Founder

In Vitro Strain Measurement of a Mechanical Heart Valve in a Pulse Simulator: Teoh, S. H.; Lee, K. H.; Nugent, A. H.; Goh, K. S.; ASAIO Journal: 39, Issue 4; 1993.

Discriminationin vitro between the acoustic emissions from Bjork-Shiley convexo-concave valves with and without a broken minor strut: D. K. Walker** and L. N. Scotten**; Medical and Biological Engineering and Computing: 29, Issue 5; 457-464; 1991.  **ViVitro Labs Founder

Unsteady entrance flow in a 90° curved tube: C. C. M. Rindt, A. A. van Steenhoven, J. D. Janssen a and G. Vossers; Journal of Fluid Mechanics: 226; 445-474; 1991.

Acute and Chronic Swine Rete Arteriovenous Malformation Models: Effect of Ethiodol and Glacial Acetic Acid on Penetration, Dispersion, and Injection Force of N-Butyl 2-Cyanoacrylate: B. B. Liebera, A. K. Wakhlooa, R. Siekmannc and M. J. Gounisa; American Journal of Neuroradiology: 26; 1707-1714.

Acute and Chronic Swine Rete Arteriovenous Malformation Models: Hemodynamics and Vascular Remodeling: A. K. Wakhlooa, B. B. Liebera, R. Siekmannc, D. J. Ebera and M. J. Gounisa; American Journal of Neuroradiology: 26; 1702-1706.

Angiographic Quantification of Contrast Medium Washout from Cerebral Aneurysms after Stent Placement: Chander Sadasivana, Baruch B. Lieberc, Matthew J. Gounisc, Demetrius K. Lopese and L. N. Hopkinsb; American Journal of Neuroradiology: 23; 1214-1221.

Arteriovenous fistulas aggravate the hemodynamic effect of vein bypass stenoses: An in vitro study: T.Nielsen, C.Djurhuus, E.Pedersen, J.Laustsen, J.Hasenkam, T.Schroeder; Journal of Vascular Surgery: 24, Issue 6; 1043-1049.

Blood Flow in Distal End-to-side Anastomoses with PTFE and a Venous Patch: Results of an In vitro Flow Visualisation Study; European Journal of Vascular and Endovascular Surgery: 18, Issue 3; 191-200.

Design of a Sterile Organ Culture System for the Ex Vivo Study of Aortic Heart Valves: James N. Warnock, Suchitra Konduri; Journal of Biomechanical Engineering: 127, Issue 5; 857.

Discriminant Analysis Of Acoustic Emissions From Bjork-Shiley Heart Valves With And Without Broken Minor Struts: Walker**, D.K. Scotten**, L.N.; Engineering in Medicine and Biology Society: 13; 2107-2108. **ViVitro Labs Founder

Does Post-Stenotic Dilatation Enhance Collateral Flow?: M. Thubrikar, F. Robicsek, B. Fowler, Y. Sun, Y. Lan Zhu, J. Holleman, Jr., T. Roush; Annals of Vascular Surgery: 18, Issue 5; 578-588.

Doppler Echocardiographic Assessment of Valvular Regurgitation Severity by Measurement of the Vena Contracta: An In Vitro Validation Study: J.Mascherbauer, R.Rosenhek, B.Bittner, J.Binder, P.Simon, G.Maurer, H.Schima, H.Baumgartner; Journal of the American Society of Echocardiography: 18, Issue 10; 999-1006.

Epicardial Suction: A New Approach to Mechanical Testing of the Passive Ventricular Wall: R. J. Okamoto, M. J. Moulton, S. J. Peterson; Journal of Biomechanical Engineering: 122, Issue 5; 479.

Evidence of nonlinear response of hydrocephalus shunt valves to pulsating flow: Nwosuh, I.A. Roberts, D. Kosiniski, S. Ciampa, S. Thomas, G.A.; Bioengineering Conference, 2005. Proceedings of the IEEE 31st Annual Northeast; 20- 21.

Experimental Stent-Graft Treatment of Ascending Aortic Dissection: Daniel Zimpfer MDa, Heinz Schima PhDb, Martin Czerny MDa, Marie-Theres Kasimir MDa, Sigrid Sandner MDa, Gernot Seebacher MDa, Udo Losert PhDc, Paul Simon MDa, Michael Grimm MDa, Ernst Wolner MD, PhDa and Marek Ehrlich MD; The Annals of Thoracic Surgery: 85, Issue 2; 470-473.

Flow instabilities induced by coronary artery stents: Assessment with an in vitro pulse duplicator; Journal of Biomechanics: 28, Issue 1; 17-26.

Fluid Dynamic Characteristics of the VentrAssist Rotary Blood Pump: G. Tansley, S. Vidakovic, and J. Reizes; Artificial Organs: 24, Issue 6; 483 – 487.

Fluid dynamics of the CarboMedics Kinetic bileaflet prosthetic heart valve: J. Timothy Baldwin*, Andy Campbell, Christopher Luck, William Ogilvie and Joe Sauter; European Journal of Cardio-Thoracic Surgery: 11, Issue 2; 287-292.

Gated-SPECT equilibrium radionuclide angiography in right ventricular assessment of patients with repaired tetralogy of Fallot: Caresia-Aróztegui, Ana P.; Aguadé-Bruix, Santiago; Castell-Conesa, Joan; Pifarré-Montaner, Paloma; Cuberas-Borrós, Gemma; Casaldàliga, Jaume; Girona, Josep; Romero-Farina, Guillermo; Candell-Riera, Jaume; Nuclear Medicine Communications: 28, Issue 3; 159-164.

Geometric modeling of functional trileaflet aortic valves: Development and clinical applications: M. Labrosse, C. Beller, F. Robicsek, M. Thubrikar; Journal of Biomechanics: 39, Issue 14; 2665-2672.

Lumped Parameter Model for Computing the Minimum Pressure During Mechanical Heart Valve Closure: Brant H. Maines, Christopher E. Brennen; Journal of Biomechanical Engineering: 127, Issue 4; 648.

Measurement of volumetric flow with no angle correction using multiplanar pulsed Doppler ultrasound: Poulsen, J.K. Kim, W.Y; IEEE Transactions on Biomedical Engineering: 43, Issue 6; 589-599.

Mitral mechanical heart valves: in vitro studies of their closure, vortex and microbubble formation with possible medical implications: Simcha Milo, Edmond Rambodb, Chaim Gutfingerc and Morteza Gharibb; European Journal of Cardio-Thoracic Surgery: 24, Issue 3; 364-370.

Modified gorlin equation for the diagnosis of mixed aortic valve pathology: Scotten LN**, Walker DK**, Dutton JW; Journal of Heart Valve Disease: 11, Issue 3; 368  **ViVitro Labs Founder

Numerical simulation of the dynamics of a bileaflet prosthetic heart valve using a fluid–structure interaction approach: M. Nobili, U. Morbiducci, R. Ponzini, C. Del Gaudio, A. Balducci, M. Grigioni, F. Maria Montevecchi, A. Redaelli; Journal of Biomechanics: 41, Issue 11; 2539-2550.

Progress on the development of the MediWatch ambulatory blood pressure monitor and related devices: Ng, Kim-Gau; Ting, Choon-Meng; Yeo, Joon-Hock; Sim, Kwang-Wei; Peh, Wee-Leng; Chua, Ngak-Hwee; Chua, Ngak-Kwong; Kwong, Frank; Blood Pressure Monitoring: 9, Issue 3; 149-165.

Pulsatile flow studies of a porcine bioprosthetic aortic valve in vitro: PIV measurements and shear-induced blood damage: W.Lim; Journal of Biomechanics: 34, Issue 11; 1417-1427.

Quantification of mitral regurgitation with MR phase-velocity mapping using a control volume method: George P. Chatzimavroudis, PhD, John N. Oshinski, PhD, Roderic I. Pettigrew, MD, PhD, Peter G. Walker, PhD, Robert H. Franch, MD, Ajit P. Yoganathan, PhD; Journal of Magnetic Resonance Imaging: 8, Issue 3; 577 – 582.

The congenitally bicuspid aortic valve: how does it function? Why does it fail?: Francis Robicsek MD, PhD, Mano J. Thubrikar PhDb, Joseph W. Cook MDa and Brett Fowler RTb; The Annals of Thoracic Surgery: 77, Issue 1; 177-185.

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