Journal of stroke and cerebrovascular diseases : the official journal of National Stroke AssociationHumansMaleFemaleAgedRetrospective Studies
Improved outcome prediction in large vessel occlusion stroke: A comparison of Tmax-based hypoperfusion ratios HIR10/4 and HIR10/6.
Jeewon Chon, Ashley Treanor, Andrew C Pickles, William Y Shin, Ronak H Jani, John T Tsiang, Amy Wozniak, Anthony W Kam, David P Pasquale, Joseph C Serrone, Brandon J Bond
Published: 202510.1016/j.jstrokecerebrovasdis.2025.108504
Abstract
BACKGROUND: The hypoperfusion intensity ratio (HIR), derived from CT perfusion (CTP), reflects collateral flow quality, but its optimal formulation remains unsettled. OBJECTIVE: To compare the prognostic utility of conventional HIR10/6 (time-to-maxim…
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