Traumatic pseudoaneurysm left brachial artery - knife wound

Case contributed by Dr Chris O'Donnell

Presentation

Assault with a knife to the upper posterior left arm. Excessive bleeding from the wound at the scene, now ceased following application of external pressure but poor left radial pulse and persistent systemic hypotension

Patient Data

Age: 60
Gender: Male
CT

CT angiogram with left arm held beside the chest wall

Large, contrast-filled cavity posterior to and communicating with the brachial artery. 

Note the artery remains patent above and below the pseudoaneurysm.

Case Discussion

Traumatic pseudoaneurysm occurs following partial disruption to an arterial wall with leak of blood into a walled-off cavity that sits outside the line of the vessel. 

Urgent repair is usually required in order to avoid spontaneous rupture with consequent bleeding.

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Case information

rID: 41386
Case created: 29th Nov 2015
Last edited: 18th Jan 2016
System: Vascular
Tag: trauma
Inclusion in quiz mode: Included

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