Journal article
Rate and Prognosis of Brain Ischemia in Patients With Lower-Risk Transient or Persistent Minor Neurologic Events
Shelagh B Coutts, Francois Moreau, Negar Asdaghi, Jean-Martin Boulanger, Marie-Christine Camden, Bruce CV Campbell, Andrew M Demchuk, Thalia S Field, Mayank Goyal, Martin Krause, Jennifer Mandzia, Bijoy K Menon, Robert Mikulik, Andrew M Penn, Richard H Swartz, Michael D Hill, Shelagh B Coutts, Simerpreet Bal, Philip A Barber, Lisa Bilston Show all
JAMA Neurology | AMER MEDICAL ASSOC | Published : 2019
Abstract
Importance: Early treatment of patients with transient ischemic attack (TIA) reduces the risk of stroke. However, many patients present with symptoms that have an uncertain diagnosis. Patients with motor, speech, or prolonged symptoms are at the highest risk for recurrent stroke and the most likely to undergo comprehensive investigations. Lower-risk patients are much more likely to be cursorily investigated. Objective: To establish the frequency of acute infarct defined by diffusion restriction detected on diffusion-weighted imaging (DWI) magnetic resonance imaging (MRI) scan (DWI positive). Design, Setting, and Participants: The Diagnosis of Uncertain-Origin Benign Transient Neurological Sy..
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Funding Acknowledgements
The study was funded by a grant from the Canadian Institutes for Health Research.