Interventional Radiology Procedures


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Embolization is the selective blocking of blood vessels by placing tiny particles in the vessel. Once the particles in place, the blood flow along that vessel is dimished or stopped entirely. Embolization is used for many purposes, such as cutting off the blood supply to malignant tumors or uterine fibroids, or to stop hemorrhaging in the lungs or nasal passages.

The particles are about the size of a grain of sand, and they are made of a plastic substance that is similar to the material used to make hard contact lenses, called polyvinyl alcohol (PVA).  This is a medical-grade material that is FDA approved for embolization and has been used for embolization in the human body for over 20 years.

Embolization is a catheter-based procedure. The catheter is guided via fluoroscopy (live x-ray) to the location to be blocked. The particles are released until the blood flow has been reduced to the appropriate level. The catheter is withdrawn and the procedure is done.


Internal Maxillary Artery Embolization

Internal maxillary artery embolization is performed to stop hemorrhaging of the internal maxillary artery (IMAX), which generally presents as a nosebleed (epistaxis) that does not stop bleeding.

Embolization is used to block blood flow through a blood vessel by placing tiny polyvinyl spheres in the blood vessel. This stops the nosebleed and prevents complications from continued loss of blood.

Maxillary Artery Embolization is a catheter-based procedure that our doctors perform at Good Samaritan Hospital in Dayton, Ohio. The procedure takes about an hour and a short hospital stay is expected.

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