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Abstract #1654

New Predict Parameter of Prognosis on Hyperacute Cerebral Infarction Evaluated by Multi-delay pCASL Imaging

Masafumi HARADA1, Takashi ABE1, Moriaki YAMANAKA1, Tomoki MATSUSHITA1, Yasushi TAKAGI2, Yuishin IZUMI3, Marc R Lebel4, and Mitsuharu Miyoshi5
1Department of Radiology, Tokushima University, Tokushima, Japan, 2Department of Neurosurgery, Tokushima University, Tokushima, Japan, 3Department of Neurology, Tokushima University, Tokushima, Japan, 4GE Healthcare, Calgary, AB, Canada, 5GE Healthcare, Hino, Japan

The purpose of this study was to find a prognostic perfusion parameter to predict the enlargement of acute cerebral infarction. The prognostic parameter of the enlargement ratio (ER) was only mean delay transit time (DT) in all perfusion parameters, and the tendency was different depending on the existence of recanalization or not. DT obtained by multi-delay ASL may become a better prognostic index of acute cerebral infarction than the mismatch area between the infarction core and ischemic penumbra.

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