In this summary,we overview the development of conditioned use of broadened therapeutic time window nowadays,to discuss how to extend TTW in order to make more patients benefit.

• 本文总结当前国内外拓宽溶栓时间窗在急性缺血性脑卒中治疗的新进展,以探讨如何延长治疗时间窗,使更多的患者得到有效治疗。