Pseudoaneurysm Research Paper

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A pseudoaneurysm happens when an artery is injured and blood leaks out to form a sac-like bulge. The bulge can break open, causing bleeding in the nearby tissues.

The most common cause of this condition is a procedure such as an angiogram in which a thin tube (catheter) is inserted into an artery. After an angiogram, the insertion site on the artery should close back up all the way. If it does not, blood may leak out of the artery. Other causes of a pseudoaneurysm include:
• Trauma to the walls of an artery, such as from a stabbing injury or a deep cut.
• Bypass artery grafting surgery, which is a type of surgery that makes blood flow to the heart better.
• An infection that affects the walls of an artery.
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