According to the World Health Organization, 15 million people suffer stroke worldwide each year, of these, 5 million die and 5 million are permanently disabled. Stroke is therefore a major cause of ...

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 without intact collateral vessels (e.g., an ...

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. Its ...

An incomplete Circle of Willis, defined by aplasia of any arterial segment, was present in 875 (77.7%) patients. The most common variation found was aplasia of the right posterior communicating artery ...

Binomial logistic regression models adjusting for age, sex and ethnicity were constructed to assess associations between intracranial artery variations and presence of intracranial arterial ...

Background Ocular ischemic syndrome (OIS) and subsequent neovascular glaucoma (NVG) lead to irreversible visual impairment. This study aimed to investigate the association of carotid artery ...

The blood pressure was 85/75 mm. of mercury in the left arm and 120/80 mm. of mercury in the right. There was a localized Grade 2 systolic bruit over the left subclavian artery. There were no ...

Artery gene expression of endothelial cells (ECs) in circle of Willis (CoW) arteries (A-D) Confocal live images of Tg (flt4:yfp, kdrl:hras-mcherry) hu4881/s896 and scheme representation of CoW ...

Cheng et al. explore the development of the arteries that form the circle of Willis and investigate how blood flow pulsatility influences vascular smooth muscle cell (VSMC) differentiation. Using live ...