NDLI: The effects of implanting different stents on the blood hemodynamic in coronary arteries

Content Provider	IEEE Xplore Digital Library
Author	Hassani, K. Bajelani, K. Navidbakhsh, M.
Copyright Year	2012
Abstract	Stent implantation alters coronary artery hemodynamic and wall shear stress during cardiac cycles. In this study, three dimensional models were used to analyze the effects of different stent designs and strut thicknesses on the hemodynamic of the artery. The flow was assumed to be pulsatile and stent models were expanded in the artery the same as angioplasty procedure that uses balloon. The data was applied to Fluent-ANSYS package as a UDF MATLAB code. A non-slip condition was applied to the artery walls. The pressure variation in different stents and the wall shear stress distribution were studied. Furthermore, the hemodynamic effects on the flow were investigated for two different thickness values of the same stent design. These results showed that stent implanting is one of the main parameters of pressure drop in the artery. Moreover, the surface of the stent is the location of maximum wall shear stress and the thicker stent strut did not vary this stress much. Our study implies that some design parameters such as thickness affect the hemodynamic factors of blood after stent implantation. Even, stent implanting cause re stenosis in the coronary artery. Using new real models is suggested to investigate the new aspects of stent design and related effects on the hemodynamic of coronary arteries.
Sponsorship	IEEE Malaysia Sect.
Starting Page	479
Ending Page	483
File Size	1594004
Page Count	5
File Format	PDF
ISBN	9781467316644
e-ISBN	9781467316668
DOI	10.1109/IECBES.2012.6498155
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-17
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Hemodynamic Shear stress Coronary Stent
Content Type	Text
Resource Type	Article

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Evaluation of the Effect of Stent Strut Profile on Shear Stress Distribution

Development of Computational Models for Evaluation of Mechanical and Hemodynamic Behavior of an Intravascular Stent

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Three-Dimensional Numerical Simulation of the Fluid Dynamics in a Coronary Stent

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A Time Resolved DPIV In-Vitro Evaluation of Coronary Stents in Realistic Conditions: Part I — Influence of Stent Configuration

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