2019
Ischaemic stroke
Campbell B, De Silva D, Macleod M, Coutts S, Schwamm L, Davis S, Donnan G. Ischaemic stroke. Nature Reviews Disease Primers 2019, 5: 70. PMID: 31601801, DOI: 10.1038/s41572-019-0118-8.Peer-Reviewed Original ResearchConceptsIschemic strokeIntravenous thrombolysisEndovascular thrombectomyStroke onsetSevere symptomatic carotid artery stenosisSymptomatic carotid artery stenosisSalvageable brain tissueBlood pressure controlCardiovascular risk managementLarge vessel occlusionMajority of strokesMechanism of strokeOnset of strokeCarotid artery stenosisCause of disabilitySecond highest causeSystems of careAntithrombotic medicationRapid reperfusionReperfusion therapySecondary preventionStroke symptomsArterial occlusionArtery stenosisCarotid endarterectomy
2016
Chapter 16 Imaging acute ischemic stroke
González R, Schwamm L. Chapter 16 Imaging acute ischemic stroke. Handbook Of Clinical Neurology 2016, 135: 293-315. PMID: 27432672, DOI: 10.1016/b978-0-444-53485-9.00016-7.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeIschemic strokeCurrent evidence-based approachesSevere stroke syndromesIschemic stroke patientsPresence of hemorrhageMassachusetts General HospitalEvidence-based approachStroke syndromeAcute strokeAnterior circulationMajor strokeMore patientsArterial occlusionStroke patientsBrain parenchymaGeneral HospitalStroke typeCommon causeClinical valueComputed tomographyModern neuroimagingMagnetic resonance imaging methodLarge arteriesStroke evolution
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
2008
Low-pressure balloon angioplasty with adjuvant pharmacological therapy in patients with acute ischemic stroke caused by intracranial arterial occlusions
Nogueira R, Schwamm L, Buonanno F, Koroshetz W, Yoo A, Rabinov J, Pryor J, Hirsch J. Low-pressure balloon angioplasty with adjuvant pharmacological therapy in patients with acute ischemic stroke caused by intracranial arterial occlusions. Neuroradiology 2008, 50: 331-340. PMID: 18172631, DOI: 10.1007/s00234-007-0340-z.Peer-Reviewed Original ResearchConceptsRecanalization rateIntracranial arteriesLow-pressure balloon angioplastyGlycoprotein IIb-IIIa inhibitorsInternal carotid artery terminusT-PAAdjuvant pharmacological therapyIntravenous t-PAOverall recanalization rateAcute ischemic strokeIIb-IIIa inhibitorsIntracranial arterial occlusionProcedure-related morbidityHigher recanalization ratesChances of recanalizationIA urokinaseSymptomatic hemorrhageAcute strokeCerebral infarctionCoronary balloonIschemic strokeConsecutive patientsPharmacological therapyArterial occlusionMechanical thrombolysis
2005
Arterial occlusion revealed by CT angiography predicts NIH stroke score and acute outcomes after IV tPA treatment.
Sims J, Rordorf G, Smith E, Koroshetz W, Lev M, Buonanno F, Schwamm L. Arterial occlusion revealed by CT angiography predicts NIH stroke score and acute outcomes after IV tPA treatment. American Journal Of Neuroradiology 2005, 26: 246-51. PMID: 15709120, PMCID: PMC7974096.Peer-Reviewed Original ResearchConceptsCT angiographyLocation of occlusionEarly improvementInitial NIHSSArterial occlusionIntravenous tissue-type plasminogen activatorNIH stroke scoreProspective stroke databaseHealth Stroke ScaleAcute stroke patientsMiddle cerebral arteryPatent vasculatureSite of occlusionTissue-type plasminogen activatorLower NIHSSStroke ScaleStroke ScoreSymptomatic hemorrhageRankin ScaleAcute outcomesHemorrhagic riskCerebral arteryClinical outcomesStroke databaseStroke patients
2003
Whole-Brain CT Perfusion Measurement of Perfused Cerebral Blood Volume in Acute Ischemic Stroke: Probability Curve for Regional Infarction
Hunter G, Silvennoinen H, Hamberg L, Koroshetz W, Buonanno F, Schwamm L, Rordorf G, Gonzalez R. Whole-Brain CT Perfusion Measurement of Perfused Cerebral Blood Volume in Acute Ischemic Stroke: Probability Curve for Regional Infarction. Radiology 2003, 227: 725-30. PMID: 12728181, DOI: 10.1148/radiol.2273012169.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeCerebral blood volumeIschemic strokeBlood volumeMajor arterial occlusionLikelihood of infarctionLogistic regression analysisPositive predictive valueCT perfusion measurementsAcute strokeCerebral infarctionArterial occlusionIntracranial hemorrhagePerfusion scanCore infarctionPCBVInfarctionPositive followProbability of survivalRegional infarctionPredictive valuePatientsStrokePerfusion measurementsRegression analysis