Medically reviewed by Oliver Eng, MD Arteries are large blood vessels that carry oxygenated blood from the heart to the cells ...

The safest and most effective treatment for symptomatic vertebral artery stenosis has not yet ... in either group had experienced a posterior circulation stroke by the 8-year follow-up.

Demonstration of normal-sized posterior communicating arteries increases the likelihood of successfully correcting global ischemic symptoms by vertebral artery reconstruction. Once the diagnosis ...

Typically, two vertebral arteries join and form the basilar artery. The vertebrobasilar ... known as the Circle of Willis, provides collateral cerebral circulation that may be extremely important ...