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Year : 2016  |  Volume : 2  |  Issue : 2  |  Page : 72-79

Wake-up stroke: Dawn of a new era

Department of Neurology, UCLA, Los Angeles, CA, USA

Correspondence Address:
David S Liebeskind
Department of Neurology, UCLA, Los Angeles, CA
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2394-8108.186266

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Wake-up stroke or stroke with unclear onset of symptoms is known to occur in one-fourth of ischemic stroke patients. These patients are not considered for thrombolytic therapy based on time designation of their symptom onset as per the current guidelines. Observational studies have investigated the pathophysiology and suggested actual onset of symptoms to be approximate to the awakening time for these patients. Use of advanced imaging modalities in these patients tends to identify favorable patient profiles for thrombolysis. Results of the ongoing trials will likely beckon a seminal juncture in stroke therapy and deliver critical modifications in the current treatment guidelines for thrombolysis in this substantial, yet neglected, group of stroke patients. In this article, we have reviewed the predisposing factors, preferred imaging modalities and various ongoing thrombolytic and endovascular trials to date for patients with unclear time of symptom onset or who wake up with stroke symptoms.

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