Digital biomarkers are a set of characteristics and properties collected from digital health technology, which is measured as an indicator of the biological, pathological process and the response to any exposure or intervention which can be therapeutic
Secondary stroke prevention decreases subsequent stroke and therefore disability.
Absence of collateral function due to hypoplasia or stenosis of collateral arteries may lead to a higher risk of stroke in patients with severe internal carotid artery occlusive disease
Posterior circulation of the brain consists of 2 vertebral arteries, 1 basilar artery, 2 posterior cerebral arteries and their branches.
Anterior circulation of the brain comprises of internal carotid artery and its branches.
Stroke is defined as “rapidly developed clinical signs of focal (or global) disturbance of cerebral function, lasting more than 24 h or leading to death, with no apparent cause other than of vascular origin”