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    Optical coherence tomography assessment of vessel wall degradation in aneurysmatic thoracic aortas

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    Optical coherence.pdf (1.505Mb)
    Identificadores
    URI: http://hdl.handle.net/10902/4622
    DOI: 10.1117/12.2032592
    ISBN: 978-0-8194-9651-5
    ISSN: 1996-756X
    ISSN: 0277-786X
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    Author
    Real Peña, EusebioAutoridad Unican; Eguizabal Aguado, AlmaAutoridad Unican; Pontón Cortina, AlejandroAutoridad Unican; Val Bernal, José FernandoAutoridad Unican; Mayorga Fernández, Marta María; Revuelta Soba, José ManuelAutoridad Unican; López Higuera, José MiguelAutoridad Unican; Conde Portilla, Olga MaríaAutoridad Unican
    Date
    2013-05
    Derechos
    © 2013 Society of Photo-Optical Instrumentation Engineers and Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
    Publicado en
    E. Real, A. Eguizabal, A. Pontón, J. Fernando Val-Bernal, M. Mayorga, J. M. Revuelta, J. M. López-Higuera, and O. M. Conde, "Optical coherence tomography assessment of vessel wall degradation in aneurysmatic thoracic aortas", in European Conference on Biomedical Optics: Optical Coherence Tomography and Coherence Techniques VI, B. Bouma and R. Leitgeb, eds., Vol. 8802 of SPIE Proceedings, 88020G (2013)
    Publisher
    The Optical Society (OSA)-
    SPIE Society of Photo-Optical Instrumentation Engineers
    Enlace a la publicación
    http://dx.doi.org/10.1117/12.2032592
    Palabras clave
    OCT
    Aneurysm diagnosis
    Ascending thoracic aorta
    Vessel wall
    Abstract:
    Optical coherence tomographic images of ascending thoracic human aortas from aneurysms exhibit disorders on the smooth muscle cell structure of the media layer of the aortic vessel as well as elastin degradation. Ex-vivo measurements of human samples provide results that correlate with pathologist diagnosis in aneurysmatic and control aortas. The observed disorders are studied as possible hallmarks for aneurysm diagnosis. To this end, the backscattering profile along the vessel thickness has been evaluated by fitting its decay against two different models, a third order polynomial fitting and an exponential fitting. The discontinuities present on the vessel wall on aneurysmatic aortas are slightly better identified with the exponential approach. Aneurysmatic aortic walls present uneven reflectivity decay when compared with healthy vessels. The fitting error has revealed as the most favorable indicator for aneurysm diagnosis as it provides a measure of how uniform is the decay along the vessel thickness.
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    • D06 Proyectos de investigación [27]
    • D50 Congresos [429]
    • D50 Proyectos de Investigación [305]
    • IDIVAL Proyectos de investigación [124]

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    UNIVERSIDAD DE CANTABRIA

    Repositorio realizado por la Biblioteca Universitaria utilizando DSpace software
    Contact Us | Send Feedback
    Metadatos sujetos a:licencia de Creative Commons Reconocimiento 3.0 España