2018
Isolated Upper Limb Weakness From Ischemic Stroke: Mechanisms and Outcome
Topcuoglu M, Rocha E, Siddiqui A, Mills B, Silva G, Schwamm L, Lamuraglia G, Singhal A. Isolated Upper Limb Weakness From Ischemic Stroke: Mechanisms and Outcome. Journal Of Stroke And Cerebrovascular Diseases 2018, 27: 2712-2719. PMID: 30033098, DOI: 10.1016/j.jstrokecerebrovasdis.2018.05.050.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBrain IschemiaCarotid StenosisCerebral AngiographyComputed Tomography AngiographyDiffusion Magnetic Resonance ImagingDisability EvaluationEmbolismFemaleHeart DiseasesHumansMagnetic Resonance AngiographyMaleMiddle AgedMotor ActivityMotor CortexMuscle StrengthMuscle WeaknessMuscle, SkeletalPlaque, AtheroscleroticPrognosisRecovery of FunctionRetrospective StudiesRisk FactorsRupture, SpontaneousStrokeUpper ExtremityConceptsCarotid artery stenosisArtery stenosisCarotid stenosisSubcortical white matter infarctsClinical imaging featuresUpper extremity weaknessDiffusion-weighted magnetic resonance imagingUpper limb weaknessRecurrent stroke riskWhite matter infarctsMagnetic resonance imagingCardioembolic mechanismRecurrent strokeBrainstem infarctsExtremity weaknessMultiple infarctsIschemic strokeLimb weaknessStroke riskMotor stripStroke evaluationMean agePlaque ulcerationStroke mechanismInfarcts
2012
Rapid identification of a major diffusion/perfusion mismatch in distal internal carotid artery or middle cerebral artery ischemic stroke
Hakimelahi R, Yoo A, He J, Schwamm L, Lev M, Schaefer P, González R. Rapid identification of a major diffusion/perfusion mismatch in distal internal carotid artery or middle cerebral artery ischemic stroke. BMC Neurology 2012, 12: 132. PMID: 23121836, PMCID: PMC3519648, DOI: 10.1186/1471-2377-12-132.Peer-Reviewed Original ResearchConceptsDiffusion/perfusion mismatchDWI lesion volumeInternal carotid arteryLesion volumePerfusion mismatchConsecutive patientsCarotid arteryMiddle cerebral artery ischemic strokeDiffusion/perfusion MRITerminal internal carotid arteryProximal middle cerebral arteryDistal internal carotid arteryLarger mismatch volumeProximal MCA occlusionMiddle cerebral arteryDiffusion lesion volumeSame inclusion criteriaTerminal ICAArtery occlusionIschemic strokeMCA occlusionStroke onsetCerebral arteryStroke patientsPatient assessment
2009
Existence of the Diffusion-Perfusion Mismatch within 24 Hours after Onset of Acute Stroke: Dependence on Proximal Arterial Occlusion
Copen W, Rezai Gharai L, Barak E, Schwamm L, Wu O, Kamalian S, Gonzalez R, Schaefer P. Existence of the Diffusion-Perfusion Mismatch within 24 Hours after Onset of Acute Stroke: Dependence on Proximal Arterial Occlusion. Radiology 2009, 250: 878-86. PMID: 19164120, DOI: 10.1148/radiol.2503080811.Peer-Reviewed Original ResearchConceptsProximal arterial occlusionAcute ischemic stroke trialsIschemic stroke trialsAcute strokeArterial occlusionStroke trialsLesion volumePerfusion-weighted magnetic resonance imagesDiffusion-perfusion mismatchMean transit time mapsTransit time mapsHIPAA-compliant studyPAO patientsAngiographic evidenceStroke onsetDose escalationTomographic angiographyEligibility criteriaPatientsInstitutional reviewMagnetic resonance imagesMR angiographyDesmoteplaseSignificant differencesAngiography
2004
Case 5-2004 — A 57-Year-Old Man with Slurred Speech and Left Hemiparesis
Cabot R, Harris N, Shepard J, Ebeling S, Ellender S, Peters C, Carter B, Rabinov J, Pfannl R, Schwamm L. Case 5-2004 — A 57-Year-Old Man with Slurred Speech and Left Hemiparesis. New England Journal Of Medicine 2004, 350: 707-716. PMID: 14960747, DOI: 10.1056/nejmcpc030037.Peer-Reviewed Original Research