Theoretical approach on vein graft survival : A review

International Conference on Man Machine Systems (ICoMMS 2012) organized by School of Mechatronic Engineering, co-organized by The Institute of Engineer, Malaysia (IEM) and Society of Engineering Education Malaysia, 27th - 28th February 2012 at Bayview Beach Resort, Penang, Malaysia.

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Main Authors:	Muhd Nur Rahman, Yahya, Shahriman, Abu Bakar, Dr.
Other Authors:	shahriman@unimap.edu.my
Format:	Working Paper
Language:	English
Published:	Universiti Malaysia Perlis (UniMAP) 2012
Subjects:	Atherosclerosis Hemodynamic Vein graft Wall shear stress Numerical simulate
Online Access:	http://dspace.unimap.edu.my/xmlui/handle/123456789/20498
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Institution:	Universiti Malaysia Perlis
Language:	English

id	my.unimap-20498
record_format	dspace
spelling	my.unimap-204982012-07-19T14:04:04Z Theoretical approach on vein graft survival : A review Muhd Nur Rahman, Yahya Shahriman, Abu Bakar, Dr. shahriman@unimap.edu.my Atherosclerosis Hemodynamic Vein graft Wall shear stress Numerical simulate International Conference on Man Machine Systems (ICoMMS 2012) organized by School of Mechatronic Engineering, co-organized by The Institute of Engineer, Malaysia (IEM) and Society of Engineering Education Malaysia, 27th - 28th February 2012 at Bayview Beach Resort, Penang, Malaysia. Fluid shear stress and mechanical wall stress may play a role in the formation of early atherosclerotic lesion, but these quantities are difficult to in measure in vivo. In this paper we numerically stimulate flow in a straight, inherent curvature and tapered tubes using a coordinate mapping of the Navier-Stokes equations. Most vein grafts are tapered, with variable diameter along their length. Straight, inherent curvature and tapered have been proposed for use as vein bypass graft. Internal diameter is a strong predictor of patency for prolonging vein bypass graft survival. Previous internal diameter observations were clinically applied, however only a little basis of hemodynamic theory. The contribution of diameter to vein graft resistance will be examined, with the concept longitudinal impedance (ZL). Those quantities that are outflow dependent, including pressure gradient, flow, velocity, shear stress, and resistance will be determined by computational program. This is enables estimation of the minimal graft diameter allowable for given length, as well as the possible hydraulic consequences of the inevitable taper that accompany upper limb vein bypass grafts. 2012-07-19T14:04:04Z 2012-07-19T14:04:04Z 2012-02-27 Working Paper http://hdl.handle.net/123456789/20498 en Proceedings of the International Conference on Man-Machine Systems (ICoMMS 2012) Universiti Malaysia Perlis (UniMAP) School of Mechatronic Engineering
institution	Universiti Malaysia Perlis
building	UniMAP Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaysia Perlis
content_source	UniMAP Library Digital Repository
url_provider	http://dspace.unimap.edu.my/
language	English
topic	Atherosclerosis Hemodynamic Vein graft Wall shear stress Numerical simulate
spellingShingle	Atherosclerosis Hemodynamic Vein graft Wall shear stress Numerical simulate Muhd Nur Rahman, Yahya Shahriman, Abu Bakar, Dr. Theoretical approach on vein graft survival : A review
description	International Conference on Man Machine Systems (ICoMMS 2012) organized by School of Mechatronic Engineering, co-organized by The Institute of Engineer, Malaysia (IEM) and Society of Engineering Education Malaysia, 27th - 28th February 2012 at Bayview Beach Resort, Penang, Malaysia.
author2	shahriman@unimap.edu.my
author_facet	shahriman@unimap.edu.my Muhd Nur Rahman, Yahya Shahriman, Abu Bakar, Dr.
format	Working Paper
author	Muhd Nur Rahman, Yahya Shahriman, Abu Bakar, Dr.
author_sort	Muhd Nur Rahman, Yahya
title	Theoretical approach on vein graft survival : A review
title_short	Theoretical approach on vein graft survival : A review
title_full	Theoretical approach on vein graft survival : A review
title_fullStr	Theoretical approach on vein graft survival : A review
title_full_unstemmed	Theoretical approach on vein graft survival : A review
title_sort	theoretical approach on vein graft survival : a review
publisher	Universiti Malaysia Perlis (UniMAP)
publishDate	2012
url	http://dspace.unimap.edu.my/xmlui/handle/123456789/20498
_version_	1643793090809430016

Theoretical approach on vein graft survival : A review

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