A brain arteriovenous malformation (AVM) is an abnormal tangle of unusually formed blood vessels in the brain (Figure 1). Over time, these vessels can weaken and bleed into the brain itself. Brain ...

This group of spinal vascular disorders includes spinal dural arteriovenous fistulas (DAVFs), spinal arteriovenous malformations (AVMs), cavernous malformations and spinal artery aneurysms. This ...

Arteriovenous fistulas are believed to be superior to grafts for vascular access in hemodialysis patients, but it is unclear whether this holds true in patients with a previous fistula failure.

An arteriovenous fistula is an incorrect connection between an artery and a vein. Typically, blood flows from arteries to capillaries and onto veins. In an arteriovenous fistula, the artery and ...