Abstract #2187
Comparison of PWI, DWI, and clinical outcome for suspected stroke
Neil Chatterjee 1 , Shyam Prabhakaran 2 , Sameer Ansari 1 , and Timiothy Carroll 1
1
Radiology, Northwestern University, Chicago,
IL, United States,
2
Neurology,
Northwestern University, Chicago, IL, United States
Fully automated methods were used to analyze perfusion
weighted (PWI) and diffusion weighted (DWI) MR images in
a cohort of 109 patients suspected of having a stroke or
transient ischemic attack and compared to modified
Rankin Scale (mRS) collected after 3 months. Compared to
a referece group with an mRS of 0, we found that DWI
measurements were only significantly different in
patients with an mRS of 4, but PWI measurements were
different across a greater range of mRS scores. This may
indicate that PWI may be a better predictor for
intermediate outcomes.
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