An improved echo tracking algorithm for arterial distensibility measurements

Arterial distensibility is often measured by non-invasively detecting the change in artery diameter over a cardiac cycle. Traditional methods using B-mode images require considerable processing power and time. Here we present a method to extract the distensibility waveform from RF signals obtained b...

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Bibliographic Details
Published in2009 International Conference on Biomedical and Pharmaceutical Engineering pp. 1 - 5
Main Authors Joseph, J., Jayashankar, V.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.12.2009
Subjects
Abdomen
Aneurysm
Blood pressure
Computational modeling
Hemodynamics
Mechanical engineering
Numerical models
Risk analysis
Shape
Stress
Online AccessGet full text
ISBN1424447631
9781424447633
ISSN1947-1386
DOI10.1109/ICBPE.2009.5384091

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Abstract Arterial distensibility is often measured by non-invasively detecting the change in artery diameter over a cardiac cycle. Traditional methods using B-mode images require considerable processing power and time. Here we present a method to extract the distensibility waveform from RF signals obtained by ultrasound interrogation of the carotid artery. We propose an automatic method that uses an adaptive threshold to track the desired number of echoes and measure the artery diameter accurately. The algorithm could be used along with single element transducer based ultrasound measurement systems as well as B-mode scanners. The performance is analyzed using data obtained using phantom models of the artery as well as from human volunteers.
AbstractList Arterial distensibility is often measured by non-invasively detecting the change in artery diameter over a cardiac cycle. Traditional methods using B-mode images require considerable processing power and time. Here we present a method to extract the distensibility waveform from RF signals obtained by ultrasound interrogation of the carotid artery. We propose an automatic method that uses an adaptive threshold to track the desired number of echoes and measure the artery diameter accurately. The algorithm could be used along with single element transducer based ultrasound measurement systems as well as B-mode scanners. The performance is analyzed using data obtained using phantom models of the artery as well as from human volunteers.
Author Jayashankar, V.
Joseph, J.
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Snippet Arterial distensibility is often measured by non-invasively detecting the change in artery diameter over a cardiac cycle. Traditional methods using B-mode...
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SubjectTerms Abdomen
Aneurysm
Blood pressure
Computational modeling
Hemodynamics
Mechanical engineering
Numerical models
Risk analysis
Shape
Stress
Title An improved echo tracking algorithm for arterial distensibility measurements
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