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• Vol.54 No.12
• CLINICA NEUROL, 54: 1197−1199, 2014
• Vol.54 No.12 contents

Super Expert Session 01

Intravenous thrombolysis for acute ischemic stroke: past, present and future

Mikito Hayakawa, M.D.¹⁾

¹⁾Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center

The efficacy of intravenous thrombolysis using alteplase, a recombinant tissue plasminogen activator (IV t-PA) within a 4.5-hour time window for acute ischemic stroke patients has been well established. However, a tight time window allows a minority of stroke patients to receive IV t-PA, and low recanalization rates of large intracranial artery occlusions limit the efficacy of IV t-PA. To overcome the limitations of IV t-PA, clinical trials regarding IV t-PA based on DWI-PWI mismatch or DWI-FLAIR mismatch, next-generation agents of t-PA, dose modification of alteplase, sonothrombolysis, and so on are going on worldwide. Shortening of the time of door to treatment (needle or femoral puncture) plays a very important role to enhance the efficacy of acute reperfusion therapy including IV t-PA and acute stroke endovascular therapy, and as a consequence, it could contribute to improve the entire stroke outcomes due to an increase of acute reperfusion therapy-eligible patients.
Full Text of this Article in Japanese PDF (268K)

(CLINICA NEUROL, 54: 1197−1199, 2014)
key words: acute ischemic stroke, intravenous thrombolysis, acute reperfusion therapy, time of door to treatment

(Received: 23-May-14)