2001
Frequency and Clinical Context of Decreased Apparent Diffusion Coefficient Reversal in the Human Brain
Grant P, He J, Halpern E, Wu O, Schaefer P, Schwamm L, Budzik R, Sorensen A, Koroshetz W, Gonzalez R. Frequency and Clinical Context of Decreased Apparent Diffusion Coefficient Reversal in the Human Brain. Radiology 2001, 221: 43-50. PMID: 11568319, DOI: 10.1148/radiol.2211001523.Peer-Reviewed Original ResearchConceptsImaging studiesClinical settingVenous sinus thrombosisMagnetic resonance imaging studyOnset of symptomsMR imaging findingsComplicated clinical settingsMR imaging studiesMR imaging examinationsResonance imaging studyGray matter regionsADC lesionsArterial infarctionPersistent symptomsSinus thrombosisClinical outcomesImaging findingsClinical historyImaging examinationsADC decreaseSame periodWhite matterGray matterMatter regionsT2 changesUnilateral Temporal Lobe Stroke Causing Ischemic Transient Global Amnesia: Role for Diffusion‐Weighted Imaging in the Initial Evaluation
Greer D, Schaefer P, Schwamm L. Unilateral Temporal Lobe Stroke Causing Ischemic Transient Global Amnesia: Role for Diffusion‐Weighted Imaging in the Initial Evaluation. Journal Of Neuroimaging 2001, 11: 317-319. PMID: 11462302, DOI: 10.1111/j.1552-6569.2001.tb00054.x.Peer-Reviewed Original ResearchConceptsTransient global amnesiaDiffusion-weighted imagingInitial diffusion-weighted imagingLeft mesial temporal lobeSmall ischemic lesionsApparent diffusion coefficient imagingMesial temporal lobeOnset of symptomsT2-weighted imagingIschemic infarctIschemic lesionsAcute infarctsGlobal amnesiaTemporal lobeInitial evaluationEarly detectionInfarctsLesionsSymptomsImagingMagnetic resonanceDaysIschemiaEmboliPatientsManagement of Brain Edema Complicating Stroke
Rosand J, Schwamm L. Management of Brain Edema Complicating Stroke. Journal Of Intensive Care Medicine 2001, 16: 128-141. DOI: 10.1046/j.1525-1489.2001.00128.x.Peer-Reviewed Original ResearchCerebral blood flowSecondary brain injuryBrain edemaMagnetic resonance imagingBrain parenchymaVasogenic edemaBrain injuryBlood-brain barrier integrityGlobal cerebral blood flowIschemic brain swellingLocal tissue dysfunctionSerial Neurologic AssessmentIschemic brain edemaOnset of symptomsIntracranial blood volumeIschemic cell injuryResult of injurySpecific MRI sequencesAccumulation of fluidDiffusion-weighted imagingRheologic agentsNeurologic deteriorationBrain swellingDecompressive surgeryIschemic strokeManagement of Brain Edema Complicating Stroke
Rosand J, Schwamm L. Management of Brain Edema Complicating Stroke. Journal Of Intensive Care Medicine 2001, 16: 128-141. DOI: 10.1177/088506660101600303.Peer-Reviewed Original ResearchCerebral blood flowSecondary brain injuryBrain edemaMagnetic resonance imagingBrain parenchymaVasogenic edemaBrain injuryBlood-brain barrier integrityGlobal cerebral blood flowIschemic brain swellingLocal tissue dysfunctionSerial Neurologic AssessmentIschemic brain edemaOnset of symptomsIntracranial blood volumeIschemic cell injuryResult of injurySpecific MRI sequencesAccumulation of fluidDiffusion-weighted imagingRheologic agentsNeurologic deteriorationBrain swellingDecompressive surgeryIschemic stroke
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