Effect of training in reading CT scans on patient selection for ECASS II.


Anticipating that patients with large ischemic lesions exceeding one-third of the middle cerebral artery (MCA) territory and detected on CT scans within 6 hours of stroke onset will not benefit from thrombolysis, we trained each participant of the second European Cooperative Acute Stroke Study (ECASS II) in the recognition of early ischemic lesions… (More)