2015
In Acute Stroke, Can CT Perfusion-Derived Cerebral Blood Volume Maps Substitute for Diffusion-Weighted Imaging in Identifying the Ischemic Core?
Copen W, Morais L, Wu O, Schwamm L, Schaefer P, González R, Yoo A. In Acute Stroke, Can CT Perfusion-Derived Cerebral Blood Volume Maps Substitute for Diffusion-Weighted Imaging in Identifying the Ischemic Core? PLOS ONE 2015, 10: e0133566. PMID: 26193486, PMCID: PMC4508041, DOI: 10.1371/journal.pone.0133566.Peer-Reviewed Original ResearchConceptsComputed tomography perfusion imagingDiffusion-weighted magnetic resonance imagingCerebral blood volumeInfarct volumeSensitivity/specificityCBV mapsDWI lesionsIschemic coreCore lesionsDWI-positive patientsRegional cerebral blood volumeAcute ischemic strokeFinal infarct volumeTreatment of patientsTomography perfusion imagingPresence of infarctionMagnetic resonance imagingDiffusion-weighted imagingAcute strokeIschemic strokeSymptom onsetLesion volumeIndividual patientsInter-rater agreementPatients
2012
Reliability of cerebral blood volume maps as a substitute for diffusion‐weighted imaging in acute ischemic stroke
deIpolyi A, Wu O, Macklin E, Schaefer P, Schwamm L, Gonzalez R, Copen W. Reliability of cerebral blood volume maps as a substitute for diffusion‐weighted imaging in acute ischemic stroke. Journal Of Magnetic Resonance Imaging 2012, 36: 1083-1087. PMID: 22761110, PMCID: PMC4110961, DOI: 10.1002/jmri.23740.Peer-Reviewed Original ResearchConceptsDiffusion-weighted MRIAcute ischemic strokeCerebral blood volume mapsBlood volume mapsCBV mapsDWI lesionsIschemic strokeProportion of lesionsScan durationDiffusion-weighted imagingAcute strokeStroke onsetInfarct coreContralateral hemisphereRegional CBVMR perfusionVolume mapsLesion centerLesionsCBVStrokeShort durationPerfusionDurationLinear regression