Cerebral hemodynamics in symptomatic anterior circulation intracranial stenosis measured by angiography-based quantitative flow ratio: association with CT perfusion
ConclusionsμQFR was associated with CTP in patients with symptomatic anterior circulation ICAS and may be a potential marker for real-time hemodynamic evaluation during interventional procedures.Key Points• Murray law–based QFR (μQFR) is associated with CT perfusion parameters in intracranial atherosclerotic stenosis and can differentiate hypoperfusion from normal perfusion.• Post-intervention μQFR, collateral score, and current smoking status are independent factors associated with improved perfusion after treatment.
Source: European Radiology - Category: Radiology Source Type: research
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