Reduction of diffusion-weighted MRI lesion volume after early moderate hypothermia in ischemic stroke

Christian Berger, Peter Schramm, Stefan Schwab

Abstract

BACKGROUND: Large areas of restricted diffusion in the middle cerebral artery (MCA) territory are highly predictive of severe and potentially space-occupying MCA stroke. A reduction of diffusion-weighted MRI (DWI) lesions occurs in 20% to 40% of acute stroke patients with early reperfusion.

METHODS: We report of a patient with a severe stroke syndrome who was treated with early moderate hypothermia but not thrombolysis.

RESULTS: The initially large DWI deficit of the whole MCA territory contrasted to the relatively small final lesion restricted to the basal ganglia on MRI and computed tomography scan.

CONCLUSIONS: This case describes an unexpected reduction of a DWI lesion after early moderate hypothermia and spontaneous recanalization 3 days after stroke onset. We discuss potential reasons for the unexpected DWI lesion reduction.

Original languageEnglish
JournalStroke
Volume36
Issue number6
Pages (from-to)e56-8
ISSN0039-2499
DOIs
Publication statusPublished - 06.2005

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