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Accepted version

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2015-01

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Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/193297

Progressive Attenuation of the Longitudinal Kinetics in the Common Carotid Artery: Preliminary in Vivo Assessment

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https://doi.org/10.1016/j.ultrasmedbio.2014.07.019

Abstract

Longitudinal kinetics (LOKI) of the arterial wall consists of the shearing motion of the intima-media complex over the adventitia layer in the direction parallel to the blood flow during the cardiac cycle. The aim of this study was to investigate the local variability of LOKI amplitude along the length of the vessel. By use of a previously validated motion-estimation framework, 35 in vivo longitudinal B-mode ultrasound cine loops of healthy common carotid arteries were analyzed. Results indicated that LOKI amplitude is progressively attenuated along the length of the artery, as it is larger in regions located on the proximal side of the image (i.e., toward the heart) and smaller in regions located on the distal side of the image (i.e., toward the head), with an average attenuation coefficient of −2.5 ± 2.0%/mm. Reported for the first time in this study, this phenomenon is likely to be of great importance in improving understanding of atherosclerosis mechanisms, and has the potential to be a novel index of arterial stiffness.

Subject

Ultrasons en medicina, Artèries caròtides, Aterosclerosi, Mètode longitudinal, Diagnòstic per la imatge

Subject (English)

Ultrasonics in medicine, Carotid artery, Atherosclerosis, Longitudinal method, Diagnostic imaging

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Articles publicats en revistes (Matemàtiques i Informàtica)

Citation

ZAHND, Guillaume, et al. Progressive Attenuation of the Longitudinal Kinetics in the Common Carotid Artery: Preliminary in Vivo Assessment. Ultrasound in Medicine and Biology. 2015. Vol. 41, num. 1, pags. 339-345. ISSN 0301-5629. [consulted: 8 of June of 2026]. Available at: https://hdl.handle.net/2445/193297

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