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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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Citations
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Journal ArticleDOI

Cerebral Venous Oxygen Saturation in Hypoperfusion Regions May Become a New Imaging Indicator to Predict the Clinical Outcome of Stroke

TL;DR: Based on quantitative susceptibility mapping and perfusion-weighted imaging, the cerebral SvO2 in hypoperfusion tissues and its change after intraarterial rt-PA treatment was analyzed using an independent t-test as mentioned in this paper .
Proceedings ArticleDOI

Transmission of photons in mouse brain using Monte Carlo method: simulation study

TL;DR: In this article, the transmission of photons in mouse brain was studied using Monte Carlo method, and the photon distribution without intact skull went farther in both longitudinal and transverse directions compared with that of with intact skull.
Proceedings ArticleDOI

Visualization of light transmission in the brain using photon tracking based on the Monte Carlo method

TL;DR: In this article, the transmission of photons in mouse brain was studied using Monte Carlo method, and the photon distribution without intact skull went farther in both longitudinal and transverse directions compared with that of with intact skull.
Journal ArticleDOI

Systematic Analysis of RNA Expression Profiles in Different Ischemic Cortices in MCAO Mice

TL;DR: The present study reported the specific changes of ceRNAs in distinct compensatory regions potentially involved in the evolution of cerebral ischemic tissues and the unbalance prognosis after stroke, and provided more evidence for the collateral compensatory effects on patients' prognosis and carried out the new targets for the isChemic stroke therapy.
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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