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The Annals of Thoracic Surgery, Vol 50, 155-160, Copyright © 1990 by The Society of Thoracic Surgeons
I Rabinsky, GS Sidhu and RB Wagner
Two patients with traumatic rupture of the mid-descending aorta
successfully repaired are presented. Most clinical series of aortic tears
do not include this entity. A review of the world literature reveals only 9
previous cases. In 6 of the 11 patients the diagnosis was either missed or
delayed. In 4 patients the diagnosis was delayed or missed because of the
absence of a superior mediastinal hematoma, and in 2 patients the diagnosis
was delayed because of inadequate (single-plane) aortography. Suspicion may
be lacking because of absence of the upper mediastinal hematoma considered
to be the sine qua non for the diagnosis of aortic rupture. Although
deceleration is considered to be the mechanism of injury in tears at the
isthmus, severe hyperextension (often associated with fracture dislocation
of the underlying thoracic vertebra) is considered to be the causative
factor in descending aortic tears. Experience with the 2 patients presented
here demonstrates that a high index of suspicion and complete two-plane
aortography is required to avoid the potential for catastrophic outcome
subsequent to overlooking a tear of the mid-descending aorta.
ARTICLES
Mid-descending aortic traumatic aneurysms
Department of Surgery, Prince Georges Hospital Center, Cheverly, Maryland.
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