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[Tackling hemodynamic analysis of the carotid artery using open-source software and computational fluid dynamics].

[Article in Japanese]

Author information

1
Program in Health and Welfare, Graduate on School of Comprehensive Scientific Research, Prefectural University of Hiroshima.

Abstract

PURPOSE:

The aim of this study was to evaluate the impact of wall share stress (WSS) in the carotid artery using a computed fluid dynamics analysis system and adopting open-source software.

METHODS:

The dependence of element number (computation time and analytical accuracy) were considered with simple vessel models. We evaluated WSS and flow velocity using a carotid artery model that was based on the outcome of simple vessel models.

RESULTS:

When the number of elements was 10(5) or more, the flow velocity error of the outlet decreased to 0.5% or below when using simple vessel models. The carotid bifurcation model showed a whirlpool and a decrease in flow velocity in the carotid bulb part.

CONCLUSION:

An analysis system was built using open source software. The results from the carotid bifurcation model suggested that hemodynamics contributes to the development of carotid stenosis.

PMID:
24256647
[Indexed for MEDLINE]
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