Meta-Analysishigh evidence
Intravenous thrombolysis for ischemic stroke in extended time window selected with CT perfusion: a systematic review and meta-analysis.
Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association·July 31, 2026·PMID 42537729
Why it mattersFor patients with acute ischemic stroke in the extended time window, advanced perfusion imaging can identify those who may still benefit from IVT, expanding treatment options beyond the traditional 4.5-hour limit.
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