Pulsatile flow in coronary bifurcations for different stenting techniques

García García, Javier and Manuel Martín, Fernando Jaime and Doce Carrasco, Y. and Castro Ruiz, F. and Crespo Martínez, Antonio and Goicolea Marin, P. and Fernandez Diaz, J.A. (2012). Pulsatile flow in coronary bifurcations for different stenting techniques. In: "10th World Congress on Computational Mechanics", 08/07/2012 - 13/07/2012, Sao Paulo, Brazil. p. 101.

Description

Title: Pulsatile flow in coronary bifurcations for different stenting techniques
Author/s:
  • García García, Javier
  • Manuel Martín, Fernando Jaime
  • Doce Carrasco, Y.
  • Castro Ruiz, F.
  • Crespo Martínez, Antonio
  • Goicolea Marin, P.
  • Fernandez Diaz, J.A.
Item Type: Presentation at Congress or Conference (Article)
Event Title: 10th World Congress on Computational Mechanics
Event Dates: 08/07/2012 - 13/07/2012
Event Location: Sao Paulo, Brazil
Title of Book: 10th World Congress on Computational Mechanics
Date: 2012
Subjects:
Freetext Keywords: Stent, coronary bifurcation, computational fluid dynamics, wall shear stress.
Faculty: E.T.S.I. Industriales (UPM)
Department: Ingeniería Energética y Fluidomecánica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The objective of this work is to analyze the local hem odynamic changes caused in a coronary bifurcation by three different stenting techniques: simple stenting of the main vessel, simple stenting of the main vessel with kissing balloon in the side branch and culotte. To carry out this study an idealized geometry of a coronary bifurcation is used, and two bifurcation angles, 45º and 90º, are chosen as representative of the wide variety of re al configurations. In order to quantify the influence of the stenting technique on the local blood flow, both numeri- cal simulations and experimental measurements are performed. First, steady simulations are carried out with the commercial code ANSYS-Fluent, and then, experimental measurements with PIV (Particle Image Velocimetry) obtained in the laboratory are used to validate the numerical simulation. The steady computational simulations show a good overall agreement with the experimental data. Second, pulsatile flow is considered to take into account the tran- sient effects. The time averaged wall shear stress, scillatory shear index and pressure drop obtained numerically are used to compare the behavior of the stenting techniques.

More information

Item ID: 20773
DC Identifier: http://oa.upm.es/20773/
OAI Identifier: oai:oa.upm.es:20773
Deposited by: Memoria Investigacion
Deposited on: 01 Mar 2014 11:02
Last Modified: 16 Mar 2017 15:41
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