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Communication Dans Un Congrès Année : 2018

Estimation of Tansfer function in carotid artery

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Résumé

In order to understand the behavior of carotid bifurcation, this paper suggest a novel method to estimate its transfer function. Input and output signals are the blood velocity signal measured respectively in the common carotid artery and the internal carotid artery. The blood-flow velocity waveforms measured by phase contrast magnetic resonance imaging on 20 subjects. Our results showed that the transfer function is a second order for a young subjects (22 +/- 2ans) and is a first or second order for an aged subject (>60 years) it confirms that with age the arterial rigidity increases. We demonstrated that blood-flow velocity waveform is attenuated and defaced and the hemodynamics of the carotid bifurcation change with age.
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Dates et versions

hal-03599030 , version 1 (06-03-2022)

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  • HAL Id : hal-03599030 , version 1

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Asma Ayadi, Wassila Sahtout, Olivier Balédent. Estimation of Tansfer function in carotid artery. 2018 IEEE 4TH MIDDLE EAST CONFERENCE ON BIOMEDICAL ENGINEERING (MECBME), 2018, Unknown, Tunisia. pp.132-136. ⟨hal-03599030⟩

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