Traumatic Deceleration Injury of the Thoracic Aorta
ECHO ROUNDS Section Editor: Edmund Kenneth Kerut, M.D. Traumatic Deceleration Injury of the Thoracic Aorta Edmund Kenneth Kerut, M.D.,∗,∗∗ Glenn Kelley, M.D.,† Vivian Carina Falco, M.D.,† Ty Ovella, M.D.,‡ Lisa Diethelm, M.D.,‡ and Frederick Helmcke, M.D.† ∗Departments of Pharmacology and Physiology, Louisiana State University Health Sciences Center, New Orleans, Louisiana, ∗∗Heart Clinic of Louisiana, Marrero, Louisiana, †Division of Cardiology, Department of Medicine, Louisiana State University Health Sciences Center, New Orleans, Louisiana, and ‡Department of Radiology, Louisiana State University Health Sciences Center, New Orleans, Louisiana (ECHOCARDIOGRAPHY, Volume 22, September 2005) deceleration, trauma, transection, aorta, transesophageal echocardiography, multislice computed tomography A 42-year-old intoxicated male pedestrian to surgery, where a spiral, subtotal, subadventi- was struck by a motor vehicle and “thrown” 45 tial aortic disruption (see discussion) involving feet. The patient did not lose consciousness. He three-fourths of the circumference of the aorta had no specific localized pain, and was initially was found.1,2 The tear was successfully resected noted to have only minor limb abrasions. He and replaced with a composite thoracic graft. was then admitted to the trauma center for ob- Blunt traumatic chest injury (deceleration in- servation. A screening CT was performed using jury) most often occurs from a steering wheel in- a16row multidetector CT scanner. It revealed jury or from a fall from a height. This may result a mediastinal hematoma, and also an aortic in myocardial contusion, traumatic ventricular pseudoaneurysm with an intraluminal defect septal defect, tricuspid or mitral valve trauma, at the level of the aortic isthmus (Fig.
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