Understanding Why 4.5 hours for tPA? The Critical Time Window for Ischemic Stroke Treatment
•
3 min read
Studies show that for every 15-minute reduction in door-to-needle time for intravenous tPA, the risk of in-hospital death and symptomatic intracranial hemorrhage decreases. This emphasizes why 4.5 hours for tPA represents a critical, evidence-based deadline for treating ischemic stroke.
