2004
Characterization and evolution of diffusion MR imaging abnormalities in stroke patients undergoing intra-arterial thrombolysis.
Schaefer P, Hassankhani A, Putman C, Sorensen A, Schwamm L, Koroshetz W, Gonzalez R. Characterization and evolution of diffusion MR imaging abnormalities in stroke patients undergoing intra-arterial thrombolysis. American Journal Of Neuroradiology 2004, 25: 951-7. PMID: 15205129, PMCID: PMC7975652.Peer-Reviewed Original ResearchConceptsIntra-arterial thrombolysisDiffusion-weighted imagingDWI findingsDWI ratioADC ratioReperfusion therapyAcute strokeApparent diffusion coefficientInitial diffusion-weighted imagingPretreatment diffusion-weighted imagingADC valuesRespective mean changesEventual infarctionAcute occlusionAnterior circulationStroke patientsLesion volumeMean changePatientsThrombolysisLesion growthMR imagingTissue viabilityLesionsInfarction
2002
Predicting cerebral ischemic infarct volume with diffusion and perfusion MR imaging.
Schaefer P, Hunter G, He J, Hamberg L, Sorensen A, Schwamm L, Koroshetz W, Gonzalez R. Predicting cerebral ischemic infarct volume with diffusion and perfusion MR imaging. American Journal Of Neuroradiology 2002, 23: 1785-94. PMID: 12427640, PMCID: PMC8185825.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBlood Flow VelocityBrain IschemiaCerebral InfarctionCerebrovascular CirculationDiffusion Magnetic Resonance ImagingFalse Positive ReactionsFemaleFollow-Up StudiesHumansIschemic Attack, TransientMagnetic Resonance AngiographyMaleMiddle AgedObserver VariationPredictive Value of TestsSensitivity and SpecificityTime FactorsConceptsCerebral blood flowCerebral blood volumeFinal infarct volumeInfarct volumeDW imagingLesion growthAcute ischemic stroke symptomsHemodynamic imagesAcute ischemic infarctionIschemic infarct volumeInitial clinical assessmentFinal discharge diagnosisFinal infarct sizeHours of onsetIschemic stroke symptomsPerfusion MR imagingPerfusion-weighted imagesAcute strokeIschemic infarctionStroke symptomsAcute infarctionAcute lesionsDischarge diagnosisInfarct sizeAltered perfusion