Tirofiban for the Prevention of Early Neurological Deterioration After Intravenous Thrombolysis in Acute Ischemic Stroke

Tirofiban will use a loading dose, 0.4 μg/kg/min × 30 minutes, then 0.1μg/kg/min infusion until 24 hours after Intravenous thrombolytic therapy, or use a loading dose, 25 μg/kg, administrated within 3 minutes, then 0.15μg/kg/min infusion until 24 hours after Intravenous thrombolytic therapy.

Patients will receive standard antiplatelet therapy.