Abstract #2037
A Novel MRI Technique for Assessing Collaterals in Acute Ischemic Stroke
Jeong Pyo Son 1 , Suk Jae Kim 2 , Sookyung Ryoo 2 , Mi-Ji Lee 2 , Jihoon Cha 3 , and Oh Young Bang 1,2
1
Department of Health Sciences and
Technology, Samsung Advanced Institute for Health
Sciences and Technology, Sungkyunkwan University, Seoul,
Korea,
2
Department
of Neurology, Samsung Medical Center, Sungkyunkwan
University School of Medicine, Seoul, Korea,
3
Department
of Radiology, Samsung Medical Center, Sungkyunkwan
University School of Medicine, Seoul, Korea
Assessing the status of collateral circulation is
important in acute ischemic stroke. However, digital
subtraction angiography (DSA) which is considered as the
gold standard for evaluation of collaterals is invasive
and has a risk of thrombotic complications. In this
study, we developed a novel MRI technique for evaluation
of collateral flow which can be generated using dynamic
susceptibility contrast-enhanced perfusion-weighted
imaging (DSC-PWI) source data. This technique may
provide insight on collateral perfusion in patients who
are not otherwise candidates for conventional
angiography and may potentially replace it in the
future.
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