Journal article

Can CT perfusion accurately assess infarct core?

Dan C Huynh, Mark W Parsons, Max Wintermark, Achala Vagal, Christopher D d’Esterre, Rita Vitorino, Daniel Efkehari, Jesse Knight, Thien J Huynh, Andrew Bivard, Rick Swartz, Sean Symons, Richard I Aviv

Neurovascular Imaging | Springer Science and Business Media LLC | Published : 2016

Abstract

BackgroundWe sought to quantify CTP-derived infarct core applying previously published perfusion thresholds to multi-institutional CTP data to assess the margin of error for 25 mL and 70 mL critical volume thresholds using early DWI as a reference standard.Methods60 patients with acute ischemic stroke undergoing CTP and DWI within 6 and 24 h of symptom onset, respectively, were retrospectively analyzed from 3 tertiary care centers. CTP-derived infarct core was calculated using published thresholds for absolute and relative CBF and CBV in addition to manual CBV tracing. Using DWI as the reference standard, performance of CTP-derived measures of infarct core was assessed using co-registered vo..

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University of Melbourne Researchers