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Journal ArticleDOI

Collateral blood vessels in acute ischaemic stroke: a potential therapeutic target

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TLDR
Imaging of the brain and vessels has shown that collateral flow can sustain brain tissue for hours after the occlusion of major arteries to the brain, and the augmentation or maintenance of collateral flow is therefore a potential therapeutic target.
Abstract
Summary Ischaemic stroke results from acute arterial occlusion leading to focal hypoperfusion. Thrombolysis is the only proven treatment. Advanced neuroimaging techniques allow a detailed assessment of the cerebral circulation in patients with acute stroke, and provide information about the status of collateral vessels and collateral blood flow, which could attenuate the effects of arterial occlusion. Imaging of the brain and vessels has shown that collateral flow can sustain brain tissue for hours after the occlusion of major arteries to the brain, and the augmentation or maintenance of collateral flow is therefore a potential therapeutic target. Several interventions that might augment collateral blood flow are being investigated.

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In vivo evidence for long-term vascular remodeling resulting from chronic cerebral hypoperfusion in mice.

TL;DR: Permanent unilateral common carotid artery occlusion results in acute and long-term vascular remodeling, which may have immediate consequences for animal models of stroke but also vascular dementia.
Journal ArticleDOI

Intracranial Angioplasty and Stenting before and after SAMMPRIS: "From Simple to Complex Strategy - The Chinese Experience"

TL;DR: The experience of treating ICAD in China, gained over the last two decades, is very rich and promising and the results of the SAMMPRIS trial alarmed most experienced interventionalists in China are to be highlighted.
Journal ArticleDOI

Optical coherence tomography angiography in preclinical neuroimaging

TL;DR: The recent development of OCTA techniques for blood flow imaging and its preclinical applications in neuroimaging are overview and a summary of preclinical OCTA studies for traumatic brain injury, cerebral stroke, and aging brain on mice is reviewed.
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Collaterals in ischemic stroke

TL;DR: A comprehensive review on the role of collaterals and its therapeutic applications during cerebral ischemia is provided, correlating with stroke severity and reperfusion outcomes.
References
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Journal ArticleDOI

Classification of subtype of acute ischemic stroke. Definitions for use in a multicenter clinical trial. TOAST. Trial of Org 10172 in Acute Stroke Treatment

TL;DR: The TOAST stroke subtype classification system is easy to use and has good interobserver agreement and should allow investigators to report responses to treatment among important subgroups of patients with ischemic stroke.
Journal ArticleDOI

Thresholds in cerebral ischemia - the ischemic penumbra.

J Astrup, +2 more
- 01 Nov 1981 - 
TL;DR: Recent evidence indicates that immediate failure of basic functions such as synaptic transmission, ion pumping and energy metabolism in the ischemic brain, is critically dependent on residual blood flow, and that these functions fail at certain critical flow thresholds.
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