Conclusions
The only imaging modalities that have been shown to be effective for selecting patients for late window thrombectomy are CTP and MRI. Previous trials using noncontrast CT or ASPECT score selection have documented low rates of good outcome in patients who were reperfused beyond 8 hours from symptom onset. Therefore, as use of advanced imaging increases in both primary and comprehensive centers, it is important to understand how to interpret these images in acute stroke patients both before and after reperfusion has occurred.
Stroke. 2018;49(9):2256-2260. © 2018 American Heart Association, Inc.
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