2005
Transient ischemic attack with infarction: A unique syndrome?
Ay H, Koroshetz W, Benner T, Vangel M, Wu O, Schwamm L, Sorensen A. Transient ischemic attack with infarction: A unique syndrome? Annals Of Neurology 2005, 57: 679-686. PMID: 15852402, DOI: 10.1002/ana.20465.Peer-Reviewed Original ResearchMeSH KeywordsAgedBrainCerebral InfarctionEcho-Planar ImagingFemaleHumansIschemic Attack, TransientMagnetic Resonance ImagingMalePhenotypePrognosisSyndromeConceptsTransient ischemic attackIschemic strokeIschemic attackSymptom durationDistinct prognostic featuresSeparate clinical syndromesRecurrent ischemic strokeMinor ischemic strokeUnderwent diffusion-weighted imagingDiffusion-weighted imagingInfarct volumeConsecutive patientsTIA ratePrognostic featuresTransient symptomsBrain syndromeClinical syndromeUnique syndromeInfarctionPatientsStrokeSyndromeSymptomsDurationInfarcts
1999
Hyperacute Stroke: Simultaneous Measurement of Relative Cerebral Blood Volume, Relative Cerebral Blood Flow, and Mean Tissue Transit Time
Sorensen A, Copen W, Ostergaard L, Buonanno F, Gonzalez R, Rordorf G, Rosen B, Schwamm L, Weisskoff R, Koroshetz W. Hyperacute Stroke: Simultaneous Measurement of Relative Cerebral Blood Volume, Relative Cerebral Blood Flow, and Mean Tissue Transit Time. Radiology 1999, 210: 519-27. PMID: 10207439, DOI: 10.1148/radiology.210.2.r99fe06519.Peer-Reviewed Original ResearchConceptsRelative cerebral blood flowCerebral blood flowRelative cerebral blood volumeCerebral blood volumeBlood flowBlood volumeTissue transit timeLesion volumeMR imagingDiffusion findingsAcute lesion volumesCompensatory hemodynamic responseHemodynamic MR imagingCerebral ischemic strokeOnset of symptomsInitial blood flowAltered blood flowBlood volume mapsFunctional magnetic resonance imagingMagnetic resonance imagingTransit time mapsBlood flow mapsInitial blood volumeInfarct volumeHemodynamic abnormalities
1996
Hyperacute stroke: evaluation with combined multisection diffusion-weighted and hemodynamically weighted echo-planar MR imaging.
Sorensen A, Buonanno F, Gonzalez R, Schwamm L, Lev M, Huang-Hellinger F, Reese T, Weisskoff R, Davis T, Suwanwela N, Can U, Moreira J, Copen W, Look R, Finklestein S, Rosen B, Koroshetz W. Hyperacute stroke: evaluation with combined multisection diffusion-weighted and hemodynamically weighted echo-planar MR imaging. Radiology 1996, 199: 391-401. PMID: 8668784, DOI: 10.1148/radiology.199.2.8668784.Peer-Reviewed Original ResearchConceptsInfarct volumeNormal findingsHyperacute cerebral ischemiaMagnetic resonance imagingEcho-planar MR imagingAcute hemiparesisAcute strokeCerebral ischemiaInitial CTMR imaging techniquesStroke diagnosisPatientsResonance imagingSubsequent imagingMR imagingAbnormalitiesConventional MRCTImaging techniquesImagingMRHoursFindingsHemiparesisInfarction