Anatomical Variants of Anterior Cerebral Arterial Circle: A Study by Multidetector Computerized 3D Tomographic Angiography

One of the most common causes of stroke is rupture of aneurysms whose approach requires knowledge of anatomical variants. The aim of this study was to determine the prevalence of anatomical variants of the anterior cerebral artery (ACA) and the anterior communicating artery (AComA) by 3D computed to...

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Autores principales:	Jiménez-Sosa,Michelle Stephanie, Cantu-Gonzalez,Juan Ramón, Morales-Avalos,Rodolfo, de la Garza-Castro,Oscar, Quiroga-Garza,Alejandro, Pinales-Razo,Ricardo, Elizondo-Riojas,Guillermo, Elizondo-Omaña,Rodrigo E, Guzmán- López,Santos
Lenguaje:	English
Publicado:	Sociedad Chilena de Anatomía 2017
Materias:	Anterior cerebral artery Anatomical variant Anterior communicating artery Cerebral arterial circle Subarachnoid hemorrhage Cerebral endovascular surgery
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000300049
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spelling	oai:scielo:S0717-950220170003000492017-11-20Anatomical Variants of Anterior Cerebral Arterial Circle: A Study by Multidetector Computerized 3D Tomographic AngiographyJiménez-Sosa,Michelle StephanieCantu-Gonzalez,Juan RamónMorales-Avalos,Rodolfode la Garza-Castro,OscarQuiroga-Garza,AlejandroPinales-Razo,RicardoElizondo-Riojas,GuillermoElizondo-Omaña,Rodrigo EGuzmán- López,Santos Anterior cerebral artery Anatomical variant Anterior communicating artery Cerebral arterial circle Subarachnoid hemorrhage Cerebral endovascular surgery One of the most common causes of stroke is rupture of aneurysms whose approach requires knowledge of anatomical variants. The aim of this study was to determine the prevalence of anatomical variants of the anterior cerebral artery (ACA) and the anterior communicating artery (AComA) by 3D computed tomography angiography (3D CTA) in Mexican individuals. A retrospective, observational, cross-sectional descriptive study of 283 patients, independent of sex or age, in which morphometric measurements of cerebral vessels were evaluated using contrasted 3D CTA from a period of two years was performed. We found at least one "atypical" variant in a third of the study population (33.93 %). The most common "atypical" variant was the absence of the AComA (14.1 %). A significant association between the hypoplastic variant of the right A1 segment and hypoplasia of the left A1 and the right A2 was found, while hypoplasia of the left A1 was associated with hypoplasia of the right A2. There is a difference in the prevalence of anatomical variants of the ACA-AComA complex in Mexican population in relation to other populations. The typical variant is the most prevalent form in the study population. However, the presence of atypical variants represents an important number that should be taken into account in clinical and surgical procedures.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.35 n.3 20172017-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000300049en10.4067/S0717-95022017000300049
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Anterior cerebral artery Anatomical variant Anterior communicating artery Cerebral arterial circle Subarachnoid hemorrhage Cerebral endovascular surgery
spellingShingle	Anterior cerebral artery Anatomical variant Anterior communicating artery Cerebral arterial circle Subarachnoid hemorrhage Cerebral endovascular surgery Jiménez-Sosa,Michelle Stephanie Cantu-Gonzalez,Juan Ramón Morales-Avalos,Rodolfo de la Garza-Castro,Oscar Quiroga-Garza,Alejandro Pinales-Razo,Ricardo Elizondo-Riojas,Guillermo Elizondo-Omaña,Rodrigo E Guzmán- López,Santos Anatomical Variants of Anterior Cerebral Arterial Circle: A Study by Multidetector Computerized 3D Tomographic Angiography
description	One of the most common causes of stroke is rupture of aneurysms whose approach requires knowledge of anatomical variants. The aim of this study was to determine the prevalence of anatomical variants of the anterior cerebral artery (ACA) and the anterior communicating artery (AComA) by 3D computed tomography angiography (3D CTA) in Mexican individuals. A retrospective, observational, cross-sectional descriptive study of 283 patients, independent of sex or age, in which morphometric measurements of cerebral vessels were evaluated using contrasted 3D CTA from a period of two years was performed. We found at least one "atypical" variant in a third of the study population (33.93 %). The most common "atypical" variant was the absence of the AComA (14.1 %). A significant association between the hypoplastic variant of the right A1 segment and hypoplasia of the left A1 and the right A2 was found, while hypoplasia of the left A1 was associated with hypoplasia of the right A2. There is a difference in the prevalence of anatomical variants of the ACA-AComA complex in Mexican population in relation to other populations. The typical variant is the most prevalent form in the study population. However, the presence of atypical variants represents an important number that should be taken into account in clinical and surgical procedures.
author	Jiménez-Sosa,Michelle Stephanie Cantu-Gonzalez,Juan Ramón Morales-Avalos,Rodolfo de la Garza-Castro,Oscar Quiroga-Garza,Alejandro Pinales-Razo,Ricardo Elizondo-Riojas,Guillermo Elizondo-Omaña,Rodrigo E Guzmán- López,Santos
author_facet	Jiménez-Sosa,Michelle Stephanie Cantu-Gonzalez,Juan Ramón Morales-Avalos,Rodolfo de la Garza-Castro,Oscar Quiroga-Garza,Alejandro Pinales-Razo,Ricardo Elizondo-Riojas,Guillermo Elizondo-Omaña,Rodrigo E Guzmán- López,Santos
author_sort	Jiménez-Sosa,Michelle Stephanie
title	Anatomical Variants of Anterior Cerebral Arterial Circle: A Study by Multidetector Computerized 3D Tomographic Angiography
title_short	Anatomical Variants of Anterior Cerebral Arterial Circle: A Study by Multidetector Computerized 3D Tomographic Angiography
title_full	Anatomical Variants of Anterior Cerebral Arterial Circle: A Study by Multidetector Computerized 3D Tomographic Angiography
title_fullStr	Anatomical Variants of Anterior Cerebral Arterial Circle: A Study by Multidetector Computerized 3D Tomographic Angiography
title_full_unstemmed	Anatomical Variants of Anterior Cerebral Arterial Circle: A Study by Multidetector Computerized 3D Tomographic Angiography
title_sort	anatomical variants of anterior cerebral arterial circle: a study by multidetector computerized 3d tomographic angiography
publisher	Sociedad Chilena de Anatomía
publishDate	2017
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000300049
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Anatomical Variants of Anterior Cerebral Arterial Circle: A Study by Multidetector Computerized 3D Tomographic Angiography

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