Heart and Aorta Aortic Trauma | Page 2

So commonest site of injury in these injuries is opposite the left subclavian artery. Aorta
may be sustain partial tear of intima and/or media or a complete tear. The complete tear
is a devastating injury accounting for heavy mortality- 20% of victims die before
reaching medical facility. Untreated another 10% die every hour following injury.
Needless to say, this is a true surgical emergency.
Sometimes the extensive traumatic dissection can cause malperfusion of the visceral
vessels or intercostals. Bleeding into the chest can severe enough to cause
hypotension and shock.
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