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Computational fluid dynamics of a centrifugal heart pump as biventricular assist device(BVAD)

Sin, Dong-Choon, Tan, Andy C. C., Kelson, Neil A., & Chadwick, Gary (2006) Computational fluid dynamics of a centrifugal heart pump as biventricular assist device(BVAD). Artificial Organs, 30(11), A37-A37.

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Abstract

The results of a recent study have shown that there is a severe shortage of donor hearts to meet the demand of patients suffering from acute heart failures, and patients who received a left ventricular assist device (LVAD) have extended lives. However, some of them develop right heart failure syndrome, and these patients required a right ventricular assist device (RVAD). Hence, current research focus is in the development of a bi-ventricular assist device (Bi-VAD). Computational Fluid Dynamics (CFD) is useful for estimating blood damage for design of a Bi-VAD centrifugal heart pump to meet the demand of the left and right ventricles of a normal hearts with a flow rate of 5 lit/min and the supply pressure of 100 mmHg for the left ventricle and 20 mmHg for the right ventricle. Numerical studies have been conducted to predict pressure, flow rate, the velocity profiles, and streamlines in a continuous flow Bi-VAD using. Based on the predictions of numerical simulations, only few flow regions in the Bi-VAD exhibited signs of velocity profiles and stagnation points, thereby signifying potentially low levels of thrombogenesis.

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ID Code: 26526
Item Type: Journal Article
Additional Information: Artificial Organs journal publication of abstract from 14th Congress of the International Society for Rotary Blood Pumps, August 31 - September 2, 2006, Leuven, Belgium.
Additional URLs:
ISSN: 0160-564X
Divisions: Current > QUT Faculties and Divisions > Division of Technology, Information and Learning Support
Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > Research Centres > High Performance Computing and Research Support
Deposited On: 28 Jul 2009 13:22
Last Modified: 18 Mar 2011 12:43

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