Eligibility for intravenous thrombolysis in acute ischemic stroke patients presenting in the 4.5-9 h window.

Our everyday clinical practice experience suggests 9.8 % of consecutive AIS patients present in the 4.5-9 h window and 2.2 % adhere to EXTEND neuroimaging eligibility criteria for IVT. Only 1.3% of AIS is eligible for IVT according to EXTEND neuroimaging and clinical eligibility criteria.