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M1 Susceptibility Vessel Sign on T2* as a Strong Predictor for No Early Recanalization After IV-t-PA in Acute Ischemic Stroke
Author(s) -
Kazumi Kimura,
Yasuyuki Iguchi,
Kensaku Shibazaki,
Masao Watanabe,
Takeshi Iwanaga,
Junya Aoki
Publication year - 2009
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/strokeaha.109.552588
Subject(s) - medicine , thrombolysis , stroke (engine) , deoxygenated hemoglobin , magnetic resonance imaging , occlusion , cardiology , tissue plasminogen activator , middle cerebral artery , radiology , ischemia , hemoglobin , myocardial infarction , mechanical engineering , engineering
In acute stroke patients treated with intravenous tissue plasminogen activator (t-PA), early recanalization of occluded arteries can improve the clinical outcome. The magnetic susceptibility effect of deoxygenated hemoglobin in red thrombi can present as hypointense signals on T2*-weighted gradient echo imaging. We investigated whether the gradient echo imaging M1 susceptibility vessel sign (M1 SVS) can predict no early recanalization after t-PA infusion.

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