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      DISECCION ESPONTANEA DE LA ARTERIA MESENTERICA SUPERIOR

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          Abstract

          La disección espontánea de la arteria mesentérica superior es una condición muy poco frecuente. Su etiopatogenia es aún desconocida. Se postula como causa entre otras necrosis quística de la túnica media, displasia fibromuscular, trauma abdominal cerrado, hipertensión arterial y ateroesclerosis. Su forma de presentación en la mayoría de los casos corresponde a dolor abdominal intenso o shock hipovolémico secundario a rotura de la arteria disecada. El método diagnóstico de mayor rendimiento es la angiografía, la que además permite efectuar procedimientos terapéuticos. En muchos casos, sin embargo se puede realizar un diagnóstico definitivo mediante tomografía computada (angioTac), que permite obtener contraste adecuado a nivel de la arteria mesentérica superior. Se presenta el caso de un paciente de sexo masculino, 45 años, que ingresa al Servicio de Urgencia por un cuadro de dolor abdominal difuso. Se realiza una tomografía axial computada (TAC) demostrando este diagnóstico

          Translated abstract

          Superior mesenteric artery spontaneous disection is a very rare condition. The pathogenesis is not clear yet. It is believed to be caused by cystic necrosis of the media, fibromuscular displasia, abdominal trauma, arterial hypertension, and atherosclerosis. The form of presentation of this disease is manifested as abdominal pain or hypovolemic shock, secondary to rupture of the dissected artery. Althorugh the gold standard diagnosis is angiography, definitive diagnosis can be made by Computed Tomography. This is a case report of a 45 year old male who came to the Urgency Service because of acute abdominal pain. CT scan was read as SMA dissection

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          Failure of nonoperative management of isolated superior mesenteric artery dissection.

          A case of isolated dissection of the superior mesenteric artery is presented here. This rare condition was confirmed angiographically in a 46-year-old man with persistent abdominal pain. He was treated initially with anticoagulation alone. One year later, he developed recurrent symptoms and had radiologic documentation of progression of the condition. Operative repair was performed and recovery was uneventful. This case demonstrates a failure of the nonoperative approach to this rare condition and suggests that disease progression may be inevitable. Early surgical correction may ease operative management.
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            Acute mesenteric ischemia caused by isolated superior mesenteric artery dissection.

            Isolated dissection of a peripheral artery is a rare event. Only 11 reports exist in the literature of dissection of the superior mesenteric artery, most of which have been fatal. This is the first documented case of the successful treatment of an acute ischemic event caused by a superior mesenteric artery dissection. In addition, the new technique of right gastroepiploic artery-to-superior mesenteric artery bypass is introduced as a satisfactory method of revascularization.
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              CT angiography diagnosis of spontaneous dissection of the superior mesenteric artery.

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                Author and article information

                Journal
                rchradiol
                Revista chilena de radiología
                Rev. chil. radiol.
                Sociedad Chilena de Radiología (Santiago, , Chile )
                0717-9308
                2002
                : 8
                : 3
                : 133-134
                Affiliations
                [01] orgnamePontificia Universidad Católica de Chile orgdiv1Hospital Clínico orgdiv2Departamento de Radiología Chile
                Article
                S0717-93082002000300007 S0717-9308(02)00800307
                10.4067/S0717-93082002000300007
                c16575ab-d334-48d6-88d6-785f5898557a

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

                History
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 5, Pages: 2
                Product

                SciELO Chile

                Categories
                VASCULAR

                Arteria mesentérica,TAC,Mesenteric artery,CT
                Arteria mesentérica, TAC, Mesenteric artery, CT

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