#MondayTip
Hypoperfusion Intensity Ratio
#HIR may be the most practical collateral biomarker in AIS

⬆️High HIR (>0.4) → rapid core growth, ↑ hemorrhage risk, worse mRS.
⬇️Low HIR → robust collaterals & better EVT outcomes.

https://doi.org/10.3174/ajnr.A8557

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Missed our #ISC2026 Highlights webinar?

☝️Catch expert insights on the latest advances in stroke research and care, featuring global leaders from @WorldStrokeOrg , @American_Stroke , and @ESOstroke

Check our Youtube channel:
https://youtu.be/sPKRCu0h9_E

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#MondayTip
Cancer-related stroke ≠ routine ESUS

~50% of strokes in active cancer are cryptogenic, but many are cancer-driven hypercoagulable events
🔁14–29% recur at 1 year
⚖️Anticoag vs aspirin? Still equipoise
🧠Classify. Risk-stratify. Individualize

https://doi.org/10.1161/str.0000000000000517

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