Viability Thresholds of Ischemic Penumbra of Hyperacute Stroke Defined by Perfusion-Weighted MRI and Apparent Diffusion Coefficient | Zendy

Lisbeth Røhl | Zendy; Leif Østergaard | Zendy; Claus Z. Simonsen | Zendy; Peter VestergaardPoulsen | Zendy; Grethe Andersen | Zendy; Masaharu Sakoh | Zendy; Denis Le Bihan | Zendy; Carsten Gyldensted | Zendy

Open Access

Viability Thresholds of Ischemic Penumbra of Hyperacute Stroke Defined by Perfusion-Weighted MRI and Apparent Diffusion Coefficient

Author(s) -

Lisbeth Røhl,

Leif Østergaard,

Claus Z. Simonsen,

Peter VestergaardPoulsen,

Grethe Andersen,

Masaharu Sakoh,

Denis Le Bihan,

Carsten Gyldensted

Publication year - 2001

Publication title -

stroke

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.397

H-Index - 319

eISSN - 1524-4628

pISSN - 0039-2499

DOI - 10.1161/01.str.32.5.1140

Subject(s) - penumbra , medicine , effective diffusion coefficient , nuclear medicine , perfusion , infarction , cerebral blood flow , stroke (engine) , region of interest , cerebral infarction , radiology , ischemia , magnetic resonance imaging , cardiology , myocardial infarction , mechanical engineering , engineering

The penumbra of ischemic stroke consists of hypoperfused, but not irreversibly damaged, tissue surrounding the ischemic core. The purpose of this study was to determine viability thresholds in the ischemic penumbra, defined as the perfusion/diffusion mismatch in hyperacute stroke, by the use of diffusion- and perfusion-weighted MRI (DWI and PWI, respectively).

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