The posterior communicating artery (PCOM) is a part of a group of arteries in the brain known as the circle of Willis. The artery connects the internal carotid and the posterior cerebral arteries.

With a carotid stent, dilation balloon, and integrated embolic protection (IEP) filter for added safety, the system also ...

Whether total or regional cerebral flow is decreased thereby depends upon anastomoses within the circle of Willis, concomitant increase in flow through the opposite carotid system, which we have ...

In those cases, they are usually bilateral. When a watershed infarct is seen unilaterally, this is usually due to hemodynamic narrowing of a proximal artery (in this case, the carotid artery) without ...

Contrast material is present in both carotid arteries and the right vertebral but not the left. ... On function of circle of Willis. J. Exper. Med. 15:348–363, 1912. Crossref.

The cohort averaged age 69.6 and 65.9% were men. About 20% were symptomatic, 43% had diabetes, 10.5% had had a previous carotid endarterectomy, and 35.9% a prior coronary stenting or angioplasty.

Visualization of the integrity of the circle of Willis, ... Cite this: Mycotic Aneurysm of the Internal Carotid Artery Presenting with Multiple Cerebral Septic Emboli - Medscape - Aug 01, 2007.

Based on the 45.8% of patients who underwent brain MRI before and 1 day after carotid endarterectomy, all ischemic lesions after surgery were ipsilateral to the intervened internal carotid artery.

MarinHealth performs about 70 to 80 carotid artery surgeries a year, Conway said. He expects that at the start, about 20% of future procedures at the Greenbrae hospital will be done using the TCAR ...