Embolization Procedures

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Treatment for:

Internal bleeding, aneurysms, abnormal blood vessels, gastrointestinal bleeding, vascular malformations (Arteriovenous malformationsVenous and Lymphatic Malformations)

Why it’s done:

Embolization procedures allow blockage of blood vessels without invasive surgery. Embolization can be used to stop arterial bleeding, and can also be used to block blood vessels for other reasons, such as to treat tumors, shrink vascular malformations, or re-direct flow.

How it’s done:

An interventional radiologist accesses the femoral artery at the groin. Small catheters and wires are used to navigate into the chosen artery, confirmed with angiography. An occluding substance can then be injected, or small coils can be placed into the artery to block the vessel.

Two step diagram of embolization process

Level of anesthesia:

Conscious sedation


Bleeding, infection, non-target embolization (blockage of an artery other than the one intended)


Two to six hours of bed rest


Depends on the clinical situation

For More Information:

For more information or to schedule an appointment with one of our IR physicians, please call 310-481-7545.