Emergency management of acute ischemic stroke.
With the advent of new therapeutic options for acute ischemic stroke, expeditious evaluation of patients with suspected stroke has become imperative. Goals of the initial evaluation are to determine the time of symptom onset, severity of the neurologic deficit, and to exclude intracranial hemorrhage and other mimics of acute ischemic stroke. CT and MRI perfusion studies may demonstrate the presence of an ischemic penumbra and aid in identification of patients who may benefit from thrombolysis. Intravenous recombinant tissue plasminogen activator (IV rtPA) remains the gold standard for acute ischemic stroke treatment, and the therapeutic time window recently has been extended to 4.5 h in certain patients. Catheter-based intra-arterial thrombolysis is being used increasingly as "rescue therapy" after IV rtPA and as primary therapy in select patients who are ineligible for intravenous therapy. Trials investigating the efficacy and safety of intra-arterial therapy are ongoing.
Shafi
Neelofer
N
Department of Neurology, University of Pennsylvania Medical Center, Philadelphia, 19104, USA.
Levine
Joshua M
JM
D002545:Brain Ischemia / Q000175:diagnosis / Q000628:therapy*; D002317:Cardiovascular Agents / Q000627:therapeutic use; D004630:Emergencies; D005343:Fibrinolytic Agents / Q000008:administration & dosage*; D006801:Humans; D020521:Stroke / Q000175:diagnosis / Q000628:therapy*; D017216:Telemedicine; D010959:Tissue Plasminogen Activator / Q000008:administration & dosage*
D002317:Cardiovascular Agents; D005343:Fibrinolytic Agents; D010959:Tissue Plasminogen Activator
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