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- Title
Multiphase MR angiography collateral map in brain stroke: may we shift the time from an absolute to the relative for therapy decisions?
- Authors
Lu, Shan-shan
- Abstract
This article discusses the use of multiphase MR angiography collateral maps in the treatment of acute ischemic stroke (AIS) and large vessel occlusion. Collateral circulation, which varies among patients, plays a crucial role in determining the rate of ischemic penumbra recruitment and infarct growth. The article explores different imaging techniques for evaluating collateral flow, including digital subtraction angiography, single-phase computed tomography angiography (sCTA), and multiphase CTA (mCTA). It also introduces a novel collateral imaging method using time-resolved dynamic contrast-enhanced MR angiography. The study findings suggest that MR imaging-based collateral maps can accurately predict lesion growth and salvageable tissue, potentially improving the results of recanalization treatments. However, further studies are needed to confirm the reliability and generalizability of these findings.
- Subjects
BRAIN mapping; ANGIOGRAPHY; COLLATERAL security
- Publication
European Radiology, 2024, Vol 34, Issue 3, p1409
- ISSN
0938-7994
- Publication type
Article
- DOI
10.1007/s00330-023-10275-1