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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