Background Occlusion of a cerebral blood vessel causes a variable decrease of blood flow
in the downstream parenchyma proportionate to the degree of collateral circulation. In brain …

Ischaemic stroke results from acute arterial occlusion leading to focal hypoperfusion.
Thrombolysis is the only proven treatment. Advanced neuroimaging techniques allow a …

Background and Purpose—Recent randomized trials have proven the benefit of intra-arterial
treatment (IAT) with retrievable stents in acute ischemic stroke. Patients with poor or absent …

Clinical outcomes of patients with acute ischemic stroke depend in part on the extent of their
collateral circulation. A good collateral circulation has also been associated with greater …

The brain vasculature has been increasingly recognized as a key player that directs brain
development, regulates homeostasis, and contributes to pathological processes. Following …

Early neurological deterioration (END) following ischaemic stroke is a serious event with
manageable causes in only a fraction of patients. The incidence, causes and predictors of …

Changes in collateral blood flow, which sustains brain viability distal to arterial occlusion,
may impact infarct evolution but have not previously been demonstrated in humans. We …

Magnetic resonance (MR) angiography is one of the main diagnostic approaches for cardiac-
cerebral vascular diseases. Nevertheless, the non-contrast-enhanced MR angiography …

BACKGROUND AND PURPOSE: The regional leptomeningeal score is a strong and
reliable imaging predictor of good clinical outcomes in acute anterior circulation ischemic …

Background and Purpose—The role of noninvasive methods in the evaluation of collateral
circulation has yet to be defined. We hypothesized that a favorable pattern of …