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(Stroke. 2004;35:2662.)
© 2004 American Heart Association, Inc.
Articles |
From the UCLA Stroke Center (C.S.K., J.R.A., J.L.S.) and the Department of Neurology (C.S.K., J.L.S.), UCLA Medical Center, Los Angeles, Calif; the Department of Radiology (J.R.A.), Brain Research Institute and Ahmanson-Lovelace Brain Mapping Center, David Geffin School of Medicine at UCLA, Los Angeles, Calif.
Correspondence to Dr Chelsea S. Kidwell, UCLA Stroke Center, 710 Westwood Plaza, UCLA Medical Center, Los Angeles, CA 90095. E-mail ckidwell{at}ucla.edu
Identification of the ischemic penumbra in the acute stroke clinical setting is an important goal for stroke researchers and clinicians. Various models for imaging the penumbra with MRI have been proposed, including the pioneering diffusionperfusion mismatch model and later multivariate approaches. A number of multicenter clinical trials are now under way to test these models and confirm the utility of MRI-based treatment decisions. Present knowledge about MRI visualization of the salvageable penumbra suggests a promising future in which MRI studies are performed routinely in the acute stroke setting and the data provided by these MRI studies assist in individualizing therapeutic decisions and identifying effective therapies that can be delivered at late time points.
Key Words: acute care magnetic resonance imaging stroke, acute
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