Traumatic aortic arch false aneurysm after blunt chest trauma in a motocross rider
© Bizzarri et al; licensee BioMed Central Ltd. 2008
Received: 29 February 2008
Accepted: 01 May 2008
Published: 01 May 2008
This article details a case report of a traumatic aortic arch false aneurysm after blunt chest trauma. Thoracic aorta false aneurysms are a rare and life-threatening complication of aortic surgery, infection, genetic disorders and trauma.
Thoracic aorta false aneurysms are a rare and life-threatening complication of aortic surgery, infection, genetic disorders and trauma. After trauma approximately 2% to 5% of patients with aortic disruption develop a false aneurysm either after non operative treatment or lack of diagnosis . Little is known about the natural history of this complication. However, a perfused false aneurysm may partially clot and organize with a fibrous wall potentially evolving into a saccular or fusiform aneurysm; late enlargement and even rupture may occur. Ninety percent of the false aneurysms involve the aortic isthmus; this probably reflects a sort of protection by the mediastinal periadventitial tissues at this level [2, 3]. Patients developing chronic pseudoaneurysms show a low rate of associated injuries at the time of trauma [2, 3]; in fact, 35% present no other injuries, and 50% only one.
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