Interpretation of fluid-attenuated inversion recovery vascular hyperintensity in stroke - 05/02/21
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Graphical abstract |
Abstract |
Fluid-attenuation inversion recovery (FLAIR) vascular hyperintensity (FVH) is a common presentation on brain magnetic resonance images of patients with acute ischemic stroke. This sign is known as a sluggish collateral flow. Although FVH represents the large ischemic penumbra and collateral circulation, the clinical significance of FVH has not been established. Varying protocols for FLAIR, treatment differences, and heterogeneity of endpoints across studies have complicated the interpretation of FVH in patients with acute stroke. In this review article, we describe the mechanism of FVH, as well as its association with functional outcome, perfusion-weighted images, and large artery stenosis. In addition, we review the technological variables that affect FVH and discuss the future perspectives.
Le texte complet de cet article est disponible en PDF.Keywords : FLAIR, FLAIR vascular hyperintensity (FVH), Stroke, MRI, Perfusion, Collateral
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