This article represents the update of ‘European Stroke Initiative Recommendations for Stroke Management’, first published in this Journal in 2000. The recommendations are endorsed by the 3 European societies which are represented in the European Stroke Initiative: the European Stroke Council, the European Neurological Society and the European Federation of Neurological Societies.

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In America and Europe, the current recommended dose of recombinant tissue-type plasminogen activator (r-tPA) for acute ischemic stroke is 0.9 mg/kg, but a similar study with this dosage has never been replicated in a controlled trial in East Asia. A lower dose (0.6 mg/kg) of r-tPA was used in Japan and was proved to have similar outcomes compared with a dose of 0.9 mg/kg in Western countries.1,2 However, the Safe Implementation of Thrombolysis in Stroke-Non-European Union World (SITS-NEW) study demonstrated that the safety and efficacy of the dose of 0.9 mg/kg of r-tPA in an Asian population was similar to those of the Safe Implementation of Thrombolysis in Stroke-Monitoring Study (SITS-MOST) study in the European population. 3,4 Our previous study, the Taiwan Thrombolytic Therapy for Acute Ischemic Stroke (TTT-AIS) study, was the first to determine whether the thrombolytic therapy in routine clinical use was as safe and effective in Chinese patients as in white patients. 5 The preliminary results showed that the group receiving a dose of 0.9 mg/kg had higher rates of symptomatic intracerebral hemorrhage (SICH), dependence, and mortality within 3 months than the low-dose group (<0.85 mg/kg). This finding was more prominent in older patients aged ≥70 years.Background and Purpose-The relationship between the dose of recombinant tissue-type plasminogen activator (r-tPA) and its safety/efficacy for ischemic stroke has not been well evaluated in the East Asian population. We assessed the safety/efficacy of different doses of r-tPA for acute ischemic stroke in Chinese patients. Methods-A total of 1004 eligible patients were classified according to the dose of r-tPA received for managing acute ischemic stroke: 0.9 mg/kg (n=422), 0.8 mg/kg (n=202), 0.7 mg/kg (n=199), and 0.6 mg/kg (n=181). The safety outcome was symptomatic intracerebral hemorrhage and death within 3 months. The efficacy outcome was good functional outcome (modified Rankin Scale ≤1) at 3 months. Results-There was a significant trend for symptomatic intracerebral hemorrhage with age (P=0.002). With multivariate logistic regression analysis, a dose of 0.9 mg/kg was a predictor of symptomatic intracerebral hemorrhage (P=0.0109), and a dose ≤0.65 mg/kg was a predictor of good functional outcome (P=0.0369). In patients aged 71 to 80 years, there was a significant trend of increasing symptomatic intracerebral hemorrhage (P=0.0130) and less good functional outcome (P=0.0179) with increasing doses of r-tPA. There was also a trend of increasing mortality (P=0.0971) at 3 months in these patients. Conclusions-These