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Use of tPA for ischemic stroke nearly doubled from 2003 to 2011

Use of the "clot-busting" drug tissue plasminogen activator (tPA) to treat patients with strokes caused by a blockage of blood flow nearly doubled between 2003 and 2011. A research team reports both an overall increase in the use of tPA to dissolve clots blocking arteries supplying the brain and administration of the potentially life-saving drug to a more diverse group of patients.
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