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      Relaciones del Origen del Tronco Celiaco, Arterias Mesentéricas y Renales con la Columna Vertebral en Individuos Chilenos Translated title: Relationships Between of the Origin of Celiac Trunk, Mesenteric and Renal Arteries with the Vertebral Column in Chilean Individuals

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          Abstract

          En la actualidad muchos procedimientos quirúrgicos invasivos, diagnósticos y terapéuticos requieren de un conocimiento preciso de la anatomía arterial del territorio abdominal. Entre estas intervenciones destaca la extracción de órganos en donantes vivos (renal y hepático) y las intervenciones oncológicas, entre otras.Tradicionalmente, el estudio de los vasos se ha hecho por medio de arteriografías que requieren de procedimientos invasivos con inyección de medio de contraste y largas exposiciones a rayos X, obteniendo imágenes bidimensionales en las cuales las relaciones entre los tejidos y órganos es difícil de analizar. El objetivo del presente trabajo fue determinar las características anatómicas del tronco celiaco, arterias mesentérica superior, renales y mesentérica inferior y la relacion de origen con la columna vertebral. Se estudiaron las imágenes de 74 pacientes, 40 hombres y 34 mujeres, sometidos a una angiotomografía de la parte abdominal de la aorta, registrando las características y las relaciones de las arterias mencionadas. Las imágenes utilizadas se obtuvieron mediante tomografía computarizada helicoidal multidetectores. La división clásica del tronco celíaco en tres ramas se encontró en el 60,8% de los casos, el origen se relacionó con T12 en 50% de los hombres y en 52,9% de las mujeres, con L1 en 50% y 47,1%, respectivamente. La a. mesentérica superior se originó a nivel de T12, L1 y L2 en un 8,1%, 78,4% y 13,5%, respectivamente. Las aa. renales fueron dobles en el 18,9 % de los casos. Con respecto a las descripciones clásicas encontramos diferencias que demuestran la variabilidad de la distribución vascular. El método se valida como una instancia útil de bajo riesgo para el paciente y reproducible por los investigadores y clínicos.

          Translated abstract

          At present many surgical invasive, diagnostic and therapeutic procedures require a precise knowledge of the arterial anatomy of the abdominal territory. Among these interventions the extraction of organs stands out in alive donors (renal and hepatic) and the oncological interventions, among others. Traditionally, the study of the vascularization has been carried out by means of arteriographies which require invasive procedures with injection of contrast substances and long expossue to X-rays, obtaining two-dimensional images in which the relations between the tissues and organs is difficult to analyze. The aim of the present work was to determine the anatomical characteristics of the celiac trunk, superior mesenteric, renal and inferior mesenteric arteries and the relation of origin with the vertebral column. Images of 74 patients, 40 men and 34 women, submitted to an tomography of the abdominal part of the aorta, were studied as were the characteristics and the relations of the mentioned arteries. Images used were obtained by means of multidetector computed tomography. The classic division of the celiac trunk in three branches was observed in 60,8 % of the cases, the origin related with T12 in 50 % of the men and in 52,9 % of the women, with L1 in 50 % and 47,1 %, respectively. The superior mesenteric artery originated to level of T12, L1 and L2 in 8,1 %, 78,4 % and 13,5 %, respectively. The renal arteries were double in 18,9 % of the cases. With regard to the classic descriptions we found differences that demonstrate the variability of the vascular distribution. The method is validated as a useful instance of low risk for the patient and reproducible for the researchers and clinical.

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          Renal artery origins and variations: angiographic evaluation of 855 consecutive patients.

          To determine angiographically the origins and variations of renal arteries. The study included 855 consecutive patients (163 females, 692 males; mean age, 61 years) living in the Cukurova region of Turkey, who underwent either aortofemoropopliteal (AFP) angiography for the investigation of peripheral arterial disease, or renal angiography for renovascular hypertension, and were prospectively evaluated. Renal arteries were visualized by non-selective catheterization during AFP angiography and by selective or non-selective catheterization during renal angiography. Locations of renal artery origins and renal artery variations, including the presence of extra renal arteries and division patterns were analyzed on angiograms. The origin of main renal arteries off the aorta was between the upper margin of L1 and lower margin of L2 vertebra in 98% of the patients, and in 74%, this was the origin of extra renal arteries. The most common location for renal artery origin was the L1-L2 intervertebral disc level. A single renal artery was present in both kidneys in 76% of patients. Renal artery variations included multiple arteries in 24%, bilateral multiple arteries in 5%, and early division in 8% of the cases. Additional renal arteries on the right side were found in 16% and on the left side in 13% of cases. Of all the extra renal arteries, the percentage of accessory and aberrant renal arteries were 49% and 51%, respectively. Renal arteries originated between the first and the second lumbar vertebral levels in most patients. Extra renal arteries were quite frequent. These results should be kept in mind when a non-invasive diagnostic search is performed for renal artery stenosis, or when renal surgery related to renal arteries is performed.
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            Multidetector-row CT angiographic imaging of the celiac trunk: anatomy and normal variants.

            To evaluate the ability of MDCT reformations in describing the celiac trunk vascular anatomy and variations. A total of 555 MDCT angiographies of the abdominal aorta performed between January 2002 and July 2005 were retrospectively reviewed to assess the celiac trunk vascular anatomy and variations. All the patients with pathological condition likely to affect normal vascular anatomy as well as CT exams technically inadequate were excluded from our study. A total of 524 MDCT angiographies of abdominal aorta were included in our study. The classical configuration of the celiac trunk was detected in 72.1%. The hepato-splenic trunk was detected in 50.4% of cases; the hepato-gastro-splenic trunk was detected in 19.4% of cases; the gastro-splenic trunk was detected in 2.3% of cases. The hepato-spleno-gastric trunk associated with hepatic arteries variants were found in 15.4%. The hepato-splenic trunk, the hepato-gastric trunk, the hepato-splenic-mesenteric trunk, and the spleno-gastric trunk were found in 2.7, 5, 0.4, and 3.6%, respectively. In 0.6%, we found an absent celiac trunk. The knowledge of the type of anatomical variants and their subtypes is fundamental for a correct pre-operative vascular planning in surgical or radiological abdominal procedures. Multidetector-row CT (MDCT) provides high-quality 3D-reconstructed images and allows non-invasive assessment of normal anatomy and anatomic variants of celiac trunk.
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              Tratado de Anatomía Humana

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                Author and article information

                Journal
                ijmorphol
                International Journal of Morphology
                Int. J. Morphol.
                Sociedad Chilena de Anatomía (Temuco, , Chile )
                0717-9502
                December 2010
                : 28
                : 4
                : 1227-1234
                Affiliations
                [01] Talca orgnameUniversidad Católica del Maule orgdiv1Facultad de Medicina Chile
                [02] Temuco orgnameUniversidad de La Frontera orgdiv1Facultad de Medicina Chile
                Article
                S0717-95022010000400038 S0717-9502(10)02800438
                a3d4595a-40ea-4f94-b261-364b713b1652

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 11 August 2010
                : 14 September 2010
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 39, Pages: 8
                Product

                SciELO Chile


                Anatomy,Tomografía computarizada helicoidal,Parte abdominal de la aorta,Anatomía,Multidetector computed tomography,Abdominal part of the aorta

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