2018
Quality of Care and Outcomes for Patients With Stroke in the United States Admitted During the International Stroke Conference
Messé S, Mullen M, Cox M, Fonarow G, Smith E, Saver J, Reeves M, Bhatt D, Matsouaka R, Schwamm L. Quality of Care and Outcomes for Patients With Stroke in the United States Admitted During the International Stroke Conference. Journal Of The American Heart Association 2018, 7: e009842. PMID: 30376750, PMCID: PMC6404171, DOI: 10.1161/jaha.118.009842.Peer-Reviewed Original ResearchConceptsIntravenous tissue plasminogen activatorTissue plasminogen activatorAcute ischemic strokeInternational Stroke ConferencePlasminogen activatorWorse outcomesGuideline-adherent careGuidelines-Stroke hospitalsRetrospective cohort studyHours of onsetMinutes of arrivalExperience worse outcomesQuality of careSame quality careAverage weekly numberGuidelines-StrokeAcute strokeBackground PatientsCohort studyConclusions PatientsIschemic strokeClinical outcomesMean ageStroke cliniciansHospital characteristicsSafety and Efficacy of a 3-Dimensional Stent Retriever With Aspiration-Based Thrombectomy vs Aspiration-Based Thrombectomy Alone in Acute Ischemic Stroke Intervention: A Randomized Clinical Trial
Nogueira R, Frei D, Kirmani J, Zaidat O, Lopes D, Turk A, Heck D, Mason B, Haussen D, Levy E, Mehta S, Lazzaro M, Chen M, Dörfler A, Yoo A, Derdeyn C, Schwamm L, Langer D, Siddiqui A. Safety and Efficacy of a 3-Dimensional Stent Retriever With Aspiration-Based Thrombectomy vs Aspiration-Based Thrombectomy Alone in Acute Ischemic Stroke Intervention: A Randomized Clinical Trial. JAMA Neurology 2018, 75: 304-311. PMID: 29296999, PMCID: PMC5885851, DOI: 10.1001/jamaneurol.2017.3967.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeSerious adverse eventsProcedure-related serious adverse eventsStent retrieverMechanical thrombectomy devicesAspiration groupAdverse eventsEnd pointClinical trialsThrombectomy devicesLarge vessel acute ischemic strokeDevice-related serious adverse eventsScale scoreHealth Stroke Scale scoreMedian baseline NIHSS scorePrimary effectiveness end pointPrimary safety end pointAcute ischemic stroke interventionCerebral infarction (TICI) gradeEffectiveness end pointBaseline NIHSS scorePrimary end pointSafety end pointStroke Scale scoreHours of onset
2016
Treatment With Tissue Plasminogen Activator in the Golden Hour and the Shape of the 4.5-Hour Time-Benefit Curve in the National United States Get With The Guidelines-Stroke Population
Kim J, Fonarow G, Smith E, Reeves M, Navalkele D, Grotta J, Grau-Sepulveda M, Hernandez A, Peterson E, Schwamm L, Saver J. Treatment With Tissue Plasminogen Activator in the Golden Hour and the Shape of the 4.5-Hour Time-Benefit Curve in the National United States Get With The Guidelines-Stroke Population. Circulation 2016, 135: 128-139. PMID: 27815374, DOI: 10.1161/circulationaha.116.023336.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeTissue plasminogen activatorIschemic strokeHospital mortalityIndependent ambulationPlasminogen activatorTissue plasminogen activator-treated patientsIntravenous tissue plasminogen activatorTissue plasminogen activator treatmentIschemic stroke outcomeHours of onsetOdds of dischargePlasminogen activator treatmentMinutes of onsetNational United StatesHemorrhagic complicationsStroke outcomeMedian onsetThrombolytic therapyStroke systemsBetter outcomesPatientsActivator treatmentGolden hourTreatment timeWhy are acute ischemic stroke patients not receiving IV tPA?
Messé S, Khatri P, Reeves M, Smith E, Saver J, Bhatt D, Grau-Sepulveda M, Cox M, Peterson E, Fonarow G, Schwamm L. Why are acute ischemic stroke patients not receiving IV tPA? Neurology 2016, 87: 1565-1574. PMID: 27629092, PMCID: PMC5067546, DOI: 10.1212/wnl.0000000000003198.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, IntravenousAgedAged, 80 and overBrain IschemiaDatasets as TopicFemaleFibrinolytic AgentsHealthcare DisparitiesHumansLogistic ModelsMaleMultivariate AnalysisRegistriesRetrospective StudiesSeverity of Illness IndexStrokeThrombolytic TherapyTissue Plasminogen ActivatorUnited StatesConceptsAcute ischemic strokeTissue plasminogen activatorHours of onsetEligible patientsAcute ischemic stroke patientsNIH Stroke Scale scoreStroke center certificationRetrospective cohort studyStroke Scale scoreIschemic stroke patientsEarlier calendar yearsEquation logistic regressionProsthetic heart valvesEmergency medical servicesGuidelines-StrokePrior strokeCohort studyIschemic strokeOlder patientsStroke onsetStroke severityDiabetes mellitusCenter HospitalStroke patientsAtrial fibrillation
2010
The “Golden Hour” and Acute Brain Ischemia
Saver J, Smith E, Fonarow G, Reeves M, Zhao X, Olson D, Schwamm L. The “Golden Hour” and Acute Brain Ischemia. Stroke 2010, 41: 1431-1439. PMID: 20522809, PMCID: PMC2909671, DOI: 10.1161/strokeaha.110.583815.Peer-Reviewed Original ResearchConceptsIschemic stroke patientsHospital emergency departmentIntravenous thrombolytic therapyAcute brain ischemiaNeedle timeThrombolytic therapyStroke patientsEmergency departmentGolden hourBrain ischemiaGreater stroke severityGuidelines-Stroke databaseQuarter of patientsHours of onsetHours patientsStroke severityDoor timeEarly presentationPatientsWell timeStudy periodTherapyIschemiaOnset timeMinutesQuality of Care and Outcomes in Patients With Diabetes Hospitalized With Ischemic Stroke
Reeves M, Vaidya R, Fonarow G, Liang L, Smith E, Matulonis R, Olson D, Schwamm L. Quality of Care and Outcomes in Patients With Diabetes Hospitalized With Ischemic Stroke. Stroke 2010, 41: e409-e417. PMID: 20224058, DOI: 10.1161/strokeaha.109.572693.Peer-Reviewed Original ResearchConceptsQuality of careStroke-related outcomesIschemic stroke patientsStroke patientsRt-PACholesterol treatmentIntravenous recombinant tissue plasminogen activatorRecombinant tissue plasminogen activatorCommon comorbid diseasesGuidelines-Stroke programPercent of patientsSecondary prevention treatmentHours of onsetMultivariable logistic regressionTissue plasminogen activatorUnited States hospitalsQuality improvement effortsGWTG-StrokeHospital mortalityDischarge homeHospital deathHospital outcomesStroke recurrenceComorbid diseasesIschemic stroke
2008
Hospital Treatment of Patients With Ischemic Stroke or Transient Ischemic Attack Using the “Get With The Guidelines” Program
LaBresh K, Reeves M, Frankel M, Albright D, Schwamm L. Hospital Treatment of Patients With Ischemic Stroke or Transient Ischemic Attack Using the “Get With The Guidelines” Program. JAMA Internal Medicine 2008, 168: 411-417. PMID: 18299497, DOI: 10.1001/archinternmed.2007.101.Peer-Reviewed Original ResearchConceptsTransient ischemic attackIschemic strokeThrombolytic medicationIschemic attackAntithrombotic medicationLow-density lipoprotein levelsDeep venous thrombosisHours of onsetSecondary prevention measuresTreatment of patientsDiabetes mellitus treatmentMeasures of careEvidence-based interventionsQuality improvement measuresEligible patientsGuidelines-StrokeCessation counselingVenous thrombosisLipoprotein levelsStroke careAcute careAnticoagulation agentsAtrial fibrillationCerebrovascular diseaseHospital treatment
2006
The Paul Coverdell National Acute Stroke Registry Initial Results from Four Prototypes
Reeves M, Broderick J, Frankel M, LaBresh K, Schwamm L, Moomaw C, Weiss P, Katzan I, Arora S, Heinrich J, Hickenbottom S, Karp H, Malarcher A, Mensah G, Reeves M. The Paul Coverdell National Acute Stroke Registry Initial Results from Four Prototypes. American Journal Of Preventive Medicine 2006, 31: s202-s209. PMID: 17178304, DOI: 10.1016/j.amepre.2006.08.007.Peer-Reviewed Original ResearchConceptsRecombinant tissue plasminogen activatorTissue plasminogen activatorStroke admissionsPaul Coverdell National Acute Stroke RegistryNational Acute Stroke RegistryPlasminogen activatorAcute stroke admissionsAcute Stroke RegistrySmoking cessation counselingPercent of patientsTransient ischemic attackAcute stroke careAcute stroke patientsPercent of admissionsHours of onsetIschemic stroke admissionsHealthcare system levelQuality improvement interventionsYears of ageAntithrombotic treatmentIschemic attackLipid testingStroke RegistryEligible subjectsIschemic stroke
2005
Acute Stroke Care in the US
Reeves M, Arora S, Broderick J, Frankel M, Heinrich J, Hickenbottom S, Karp H, LaBresh K, Malarcher A, Mensah G, Moomaw C, Schwamm L, Weiss P. Acute Stroke Care in the US. Stroke 2005, 36: 1232-1240. PMID: 15890989, DOI: 10.1161/01.str.0000165902.18021.5b.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overBrain IschemiaCerebral HemorrhageFemaleFibrinolytic AgentsGeorgiaHospital RecordsHumansInfusions, IntravenousIschemic Attack, TransientMaleMassachusettsMichiganMiddle AgedOhioPilot ProjectsProspective StudiesQuality ControlRecombinant ProteinsRegistriesRetrospective StudiesStrokeThrombolytic TherapyTime FactorsTissue Plasminogen ActivatorTreatment OutcomeUnited StatesConceptsRecombinant tissue plasminogen activatorAcute stroke careStroke careStroke admissionsPaul Coverdell National Acute Stroke RegistryIntravenous recombinant tissue plasminogen activatorNational Acute Stroke RegistryHealth care system levelsAcute stroke admissionsAcute Stroke RegistryTransient ischemic attackAcute stroke patientsHours of onsetIschemic stroke admissionsMinutes of arrivalSecondary prevention practicesAge 60 yearsQuality improvement interventionsTissue plasminogen activatorIschemic attackCessation counselingStroke RegistryIschemic strokeIntracerebral hemorrhageStroke patients
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
1998
Regional Ischemia and Ischemic Injury in Patients With Acute Middle Cerebral Artery Stroke as Defined by Early Diffusion-Weighted and Perfusion-Weighted MRI
Rordorf G, Koroshetz W, Copen W, Cramer S, Schaefer P, Budzik R, Schwamm L, Buonanno F, Sorensen A, Gonzalez G. Regional Ischemia and Ischemic Injury in Patients With Acute Middle Cerebral Artery Stroke as Defined by Early Diffusion-Weighted and Perfusion-Weighted MRI. Stroke 1998, 29: 939-943. PMID: 9596239, DOI: 10.1161/01.str.29.5.939.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAdultAgedAged, 80 and overArterial Occlusive DiseasesBrain IschemiaCerebral ArteriesCerebral InfarctionCerebrovascular CirculationCerebrovascular DisordersDiffusionFemaleHumansMagnetic Resonance AngiographyMagnetic Resonance ImagingMaleMiddle AgedPerfusionReperfusion InjuryConceptsPerfusion-weighted imagingMiddle cerebral artery strokeDiffusion-weighted imagingCerebral blood volumeMCA strokeArtery strokeMR angiographyCBV abnormalityRegional ischemiaAcute middle cerebral artery strokeInitial diffusion-weighted imagingAcute stroke syndromeDistal branch occlusionDWI lesion volumeInitial DWI lesionMCA stem occlusionGroup 2 patientsMRI techniquesFinal infarct sizeFinal infarct volumeHours of onsetIntravenous contrast bolusAbnormal tissue perfusionProgression of infarctionPerfusion-Weighted MRI