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Pascaner, A.F.; Craiem, D.; Casciaro, M.E.; Danielo, R.; Graf, S.; Guevara, E. "Carotid wall stress calculated with continuous intima-media thickness assessment using B-mode ultrasound" (2016) 20th Argentinean Bioengineering Society Congressand the 9th Conference of Clinical Engineering, SABI 2015. 705(1)
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Abstract:

Cardiovascular risk is normally assessed using clinical risk factors but it can be refined using non-invasive infra-clinical markers. Intima-Media Thickness (IMT) is recognized as an early indicator of cardiovascular disease. Carotid Wall Stress (CWS) can be calculated using arterial pressure and carotid size (diameter and IMT). Generally, IMT is measured during diastole when it reaches its maximum value. However, it changes during the cardiac cycle and a time-dependant waveform can be obtained using B-mode ultrasound images. In this work we calculated CWS considering three different approaches for IMT assessment: (i) constant IMT (standard diastolic value), (ii) estimated IMT from diameter waveform (assuming a constant cross-sectional wall area) and (iii) continuously measured IMT. Our results showed that maximum wall stress depends on the IMT estimation method. Systolic CWS progressively increased using the three approaches (p<0.024). We conclude that maximum CWS is highly dependent on wall thickness and accurate IMT measures during systole should be encouraged.

Registro:

Documento: Artículo
Título:Carotid wall stress calculated with continuous intima-media thickness assessment using B-mode ultrasound
Autor:Pascaner, A.F.; Craiem, D.; Casciaro, M.E.; Danielo, R.; Graf, S.; Guevara, E.
Filiación:Facultad de Ingenieria y Ciencias Exactas y Naturales, Universidad Favaloro, Buenos Aires, Argentina
CONICET, Buenos Aires, Argentina
Hospital Universitario de la Fundación Favaloro, Unidad de Ecocardiografia y Doppler Vascular, Buenos Aires, Argentina
Palabras clave:Biomedical engineering; Ultrasonics; Arterial pressures; B-mode ultrasound images; Cardio-vascular disease; Cardiovascular risk; Clinical risks; Early indicators; Estimation methods; Intima-media thickness; Risk assessment
Año:2016
Volumen:705
Número:1
DOI: http://dx.doi.org/10.1088/1742-6596/705/1/012024
Título revista:20th Argentinean Bioengineering Society Congressand the 9th Conference of Clinical Engineering, SABI 2015
Título revista abreviado:J. Phys. Conf. Ser.
ISSN:17426588
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17426588_v705_n1_p_Pascaner

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Citas:

---------- APA ----------
Pascaner, A.F., Craiem, D., Casciaro, M.E., Danielo, R., Graf, S. & Guevara, E. (2016) . Carotid wall stress calculated with continuous intima-media thickness assessment using B-mode ultrasound. 20th Argentinean Bioengineering Society Congressand the 9th Conference of Clinical Engineering, SABI 2015, 705(1).
http://dx.doi.org/10.1088/1742-6596/705/1/012024
---------- CHICAGO ----------
Pascaner, A.F., Craiem, D., Casciaro, M.E., Danielo, R., Graf, S., Guevara, E. "Carotid wall stress calculated with continuous intima-media thickness assessment using B-mode ultrasound" . 20th Argentinean Bioengineering Society Congressand the 9th Conference of Clinical Engineering, SABI 2015 705, no. 1 (2016).
http://dx.doi.org/10.1088/1742-6596/705/1/012024
---------- MLA ----------
Pascaner, A.F., Craiem, D., Casciaro, M.E., Danielo, R., Graf, S., Guevara, E. "Carotid wall stress calculated with continuous intima-media thickness assessment using B-mode ultrasound" . 20th Argentinean Bioengineering Society Congressand the 9th Conference of Clinical Engineering, SABI 2015, vol. 705, no. 1, 2016.
http://dx.doi.org/10.1088/1742-6596/705/1/012024
---------- VANCOUVER ----------
Pascaner, A.F., Craiem, D., Casciaro, M.E., Danielo, R., Graf, S., Guevara, E. Carotid wall stress calculated with continuous intima-media thickness assessment using B-mode ultrasound. J. Phys. Conf. Ser. 2016;705(1).
http://dx.doi.org/10.1088/1742-6596/705/1/012024