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:: year 2, Issue 1 (Journal of Acoustical Engineering Society of Iran 2014) ::
مجله علمی پژوهشی انجمن مهندسی صوتیات ایران 2014, 2(1): 8-15 Back to browse issues page
Extracting the axial stress applied on common carotid artery wall by using a consecutive ultrasonic image processing
H. Saberi, E. Soleimani, M. Mokhtari-Dizaji *, S. Shams Hakimi
Abstract:   (7673 Views)
The aim of the present study is to propose a mathematical- clinical model for the estimate of axial stresses acting on the carotid artery In order to determine the stresses, a quantitative knowledge of the mechanical properties of cardiovascular tissues, i.e. delineation of constitutive models, is indispensable. In this study, a Fourier series based mathematical model for the displacement of the carotid artery wall in the longitudinal direction was defined, providing a satisfactory representation of the axial stresses applied to the arterial wall. The proposed technique was applied on the consecutive ultrasonic images of the common carotid artery of a healthy man. The waveforms and the equations of the kinematic parameters of the longitudinal motion of the arterial wall and the axial stresses applied to it were obtained during three cardiac cycles. The high correlation between the clinical and model data (0.986) reveals the potential of this technique to provide a new method to assess arterial stresses from clinical data, and overcoming the limitations of the finite element and other simulation techniques.
Keywords: Axial stress, Longitudinal displacement, Carotid artery, Constitutive model, Processing, Ultrasound images
Full-Text [PDF 467 kb]   (579 Downloads)    
Type of Study: Research | Subject: Hydroacoustics
Received: 2014/05/11 | Accepted: 2014/08/12 | Published: 2014/09/22
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Saberi H, Soleimani E, Mokhtari-Dizaji M, Shams Hakimi S. Extracting the axial stress applied on common carotid artery wall by using a consecutive ultrasonic image processing. مجله علمی پژوهشی انجمن مهندسی صوتیات ایران. 2014; 2 (1) :8-15
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year 2, Issue 1 (Journal of Acoustical Engineering Society of Iran 2014) Back to browse issues page
مجله علمی-پژوهشی انجمن مهندسی صوتیات ایران Journal of Acoustical Engineering Society of Iran
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