Dynamics of Regional Distribution of Ischemic Lesions in Middle Cerebral Artery Trunk Occlusion Relates to Collateral Circulation
Author(s) -
Bastian Cheng,
Amir Golsari,
Jens Fiehler,
Michael Rosenkranz,
Christian Gerloff,
Götz Thomalla
Publication year - 2010
Publication title -
journal of cerebral blood flow and metabolism
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.167
H-Index - 193
eISSN - 1559-7016
pISSN - 0271-678X
DOI - 10.1038/jcbfm.2010.185
Subject(s) - collateral circulation , middle cerebral artery , medicine , trunk , infarction , occlusion , cardiology , stroke (engine) , magnetic resonance imaging , lesion , ischemia , radiology , surgery , myocardial infarction , physics , ecology , biology , thermodynamics
We describe the regional distribution of acute perfusion, diffusion, and final infarct lesions in middle cerebral artery (MCA) trunk occlusion. A total of 31 patients with acute ischemic stroke and MCA trunk occlusion were studied by multiparametric magnetic resonance imaging. Probabilistic maps of lesion distribution were generated. The probability of initial and final infarcts was highest in the central MCA region with decreasing probability toward the periphery where the probability of the tissue at risk of infarction to be saved was highest. The probability of brain regions being involved in acute diffusion lesions and evolving into or escaping from the final infarct relates to the anatomy of arterial blood supply.
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