NDLI: Non-invasive assessment of atherosclerotic plaques effects on the segment-to-segment human carotid visco-elasticity and filtering

Content Provider	IEEE Xplore Digital Library
Author	Bia, D. Pessana, F. Forcada, P. Zócalo, Y. Kotliar, C. Armentano, R.L.
Copyright Year	2010
Description	Author affiliation: Electronic Department, Buenos Aires Regional Faculty, National Technological University and Favaloro University, Argentina (Pessana, F.; Armentano, R.L.) \|\| Laboratorio Vascular No-Invasivo, Servicio de Hipertensión Arterial, Depto. Cardiología, Hospital Austral, Buenos Aires, Argentina (Forcada, P.; Kotliar, C.) \|\| Physiology Department, School of Medicine, Universidad de la República, General Flores 2125, PC:11800, Montevideo, Uruguay (Bia, D.; Zócalo, Y.)
Abstract	Although a variety of factors have been proposed as key factors of the atherosclerotic plaque vulnerability, the mechanisms that contribute to this problem are not yet fully characterized. In previous works we demonstrated that changes in arterial wall viscosity and elasticity and/or in the filtering function (FF) could be in the basis of arterial wall alterations. If these properties are altered in arterial wall with atherosclerotic plaques remain to be analyzed. Our aims were to analyze, the arterial wall visco-elasticity and FF of human carotid arteries with atherosclerotic plaques. To this end, instantaneous arterial diameter waveforms were obtained non-invasively (B-Mode Echography), in five sites (S1-S5) on the carotid artery. After that, diameter waveform obtained in S1 (first segment of the common carotid artery) was calibrated using pressure values, and used to quantify the pressure-diameter relationship for each segment. From pressure-diameter relationships, viscosity, elasticity and FF were quantified. Central portions of atherosclerotic plaques showed a reduced FF. At least in theoretical terms, the FF reduction could be related with the plaque vulnerability.
Starting Page	2533
Ending Page	2536
File Size	401743
Page Count	4
File Format	PDF
ISBN	9781424441235
ISSN	1557170X
DOI	10.1109/IEMBS.2010.5626872
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-31
Publisher Place	Argentina
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Elasticity Viscosity Humans Low pass filters Carotid arteries
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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