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Variation of the origin of aortic arch branches: in relationship with plates of atheroma / Variación del origen de las ramas del arco aórtico: relación con placas de ateromas
Yeri, Luis A; Gómez, Jorge E; Fontaneto, Sergio; Espósito, Marcia.
  • Yeri, Luis A; Universidad de Buenos Aires. Faculty of Medicine. Second Course of Anatomy. Laboratory of Vascular Anatomy. AR
  • Gómez, Jorge E; Universidad de Buenos Aires. Faculty of Medicine. Second Course of Anatomy. Laboratory of Vascular Anatomy. AR
  • Fontaneto, Sergio; Universidad de Buenos Aires. Faculty of Medicine. Second Course of Anatomy. Laboratory of Vascular Anatomy. AR
  • Espósito, Marcia; Universidad de Buenos Aires. Faculty of Medicine. Second Course of Anatomy. Laboratory of Vascular Anatomy. AR
Int. j. morphol ; 29(1): 182-186, Mar. 2011. ilus
Article in English | LILACS | ID: lil-591972
ABSTRACT
The aortic arch branches variations have called the attention of several authors, who have handled studies and classifications, both human and in different animals. The common trunk, which is between the brachiocephalic trunk and the common left carotid artery, is the most common variation. We conducted a descriptive and randomized study of the presence of the trunk mentioned before, trying to establish the possible relationship between this variation and the distribution plates of atheroma. The lumen observation makes it possible to define and check the distribution of the ostium, among the common ostium and the ones with common trunks. Regarding the plates of atheroma, it was found that there is a slight prevalence in common trunks cases, with respect to the classics (no variety) or the ones who had common ostium. In all cases, the presence of a plaque in the distal aortic arch was certified near the left subclavian artery. The knowledge of the existence of the common trunk sets up an act of academic interest, as practice interventions and diagnostic imaging and clinical work, since the presence of the common trunk might be related to the prevalence of the plates of atheroma at the level of its origin.
RESUMEN
Las variaciones de las ramas del arco aórtico han llamado la atención de diversos autores, quienes han realizados estudios y clasificaciones, tanto en humanos, como en diferentes animales. El tronco común, entre el tronco braquiocefálico y la arteria carótida común izquierda, es la variación más frecuente. Realizamos un estudio descriptivo y randomizado de la presencia del mencionado tronco, tratando de verificar la posible relación entre dicha variación y la distribución de placas de ateroma. La observación luminal permitió precisar, entre los casos de ostios comunes y aquellos con troncos comunes, y comprobar la distribución de los ostios. En cuanto a las placas de ateroma, se observó una leve prevalencia en los casos de troncos comunes respecto de los clásicos (sin variedad) o de los que presentaron ostios comunes. En todos los casos se verificó la presencia de una placa en el arco aórtico distal, inmediato a la arteria subclavia izquierda. El conocimiento de la existencia del tronco común, constituye un hecho de interés académico, como práctico en intervencionismo, diagnóstico por imagen y la clínica. La presencia del tronco común pareciera estar relacionada con cierta prevalencia de placas de ateroma a nivel de su origen.
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Full text: Available Index: LILACS (Americas) Main subject: Aorta, Thoracic Type of study: Controlled clinical trial / Risk factors Limits: Female / Humans / Male Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2011 Type: Article Affiliation country: Argentina Institution/Affiliation country: Universidad de Buenos Aires/AR

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Full text: Available Index: LILACS (Americas) Main subject: Aorta, Thoracic Type of study: Controlled clinical trial / Risk factors Limits: Female / Humans / Male Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2011 Type: Article Affiliation country: Argentina Institution/Affiliation country: Universidad de Buenos Aires/AR