2023
Outcomes of recurrent stroke in patients with atrial fibrillation according to presumed etiology
Pedreira B, Zachrison K, Singhal A, Yan Z, Oliveira-Filho J, Schwamm L. Outcomes of recurrent stroke in patients with atrial fibrillation according to presumed etiology. Arquivos De Neuro-Psiquiatria 2023, 81: 616-623. PMID: 37336506, PMCID: PMC10371407, DOI: 10.1055/s-0043-1769124.Peer-Reviewed Original ResearchConceptsUndetermined stroke etiologyAtrial fibrillationRecurrent strokeStroke etiologyAF patientsFavorable outcomeAcademic comprehensive stroke centerHealth Stroke Scale scoreMedian National InstitutesSingle-center sampleComprehensive stroke centerRecurrent ischemic strokeStroke Scale scoreHistory of strokePotent risk factorDifferent treatment strategiesHospital mortalitySecondary prophylaxisReperfusion therapyCardioembolic strokeIschemic strokeStroke centersDischarge outcomesRisk factorsTreatment strategies
2019
Corticospinal Tract Injury Estimated From Acute Stroke Imaging Predicts Upper Extremity Motor Recovery After Stroke
Lin D, Cloutier A, Erler K, Cassidy J, Snider S, Ranford J, Parlman K, Giatsidis F, Burke J, Schwamm L, Finklestein S, Hochberg L, Cramer S. Corticospinal Tract Injury Estimated From Acute Stroke Imaging Predicts Upper Extremity Motor Recovery After Stroke. Stroke 2019, 50: 3569-3577. PMID: 31648631, PMCID: PMC6878199, DOI: 10.1161/strokeaha.119.025898.Peer-Reviewed Original ResearchConceptsUpper extremity motor recoveryAcute stroke hospitalizationCST injuryMotor recoveryCorticospinal tractStroke hospitalizationsPremotor cortexPrimary motorUpper extremity Fugl-MeyerAcute Stroke ImagingAcute stroke workupUpper extremity weaknessUpper extremity recoveryCorticospinal tract injuryExtent of injuryStroke standardsExtremity weaknessStroke workupTract injuryIschemic strokeFugl-MeyerInitial impairmentPredictive valueInjuryStroke imagingAssociation Between Time to Treatment With Endovascular Reperfusion Therapy and Outcomes in Patients With Acute Ischemic Stroke Treated in Clinical Practice
Jahan R, Saver J, Schwamm L, Fonarow G, Liang L, Matsouaka R, Xian Y, Holmes D, Peterson E, Yavagal D, Smith E. Association Between Time to Treatment With Endovascular Reperfusion Therapy and Outcomes in Patients With Acute Ischemic Stroke Treated in Clinical Practice. JAMA 2019, 322: 252-263. PMID: 31310296, PMCID: PMC6635908, DOI: 10.1001/jama.2019.8286.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeEndovascular reperfusion therapySymptomatic intracranial hemorrhageLarge vessel occlusionRoutine clinical practiceHospice dischargePuncture timeClinical practiceSubstantial reperfusionIschemic strokeArterial punctureVessel occlusionLarge vessel occlusion acute ischemic strokeMedian pretreatment scoreHealth Stroke ScaleRetrospective cohort studyRandomized clinical trialsHigher likelihoodAssociation of speedAmbulatory statusReperfusion therapyStroke ScaleAdverse eventsCohort studyHospital arrivalComparison of Clinical Care and In-Hospital Outcomes of Asian American and White Patients With Acute Ischemic Stroke
Song S, Liang L, Fonarow G, Smith E, Bhatt D, Matsouaka R, Xian Y, Schwamm L, Saver J. Comparison of Clinical Care and In-Hospital Outcomes of Asian American and White Patients With Acute Ischemic Stroke. JAMA Neurology 2019, 76: 430-439. PMID: 30667466, PMCID: PMC6459126, DOI: 10.1001/jamaneurol.2018.4410.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAsianBrain IschemiaFemaleFibrinolytic AgentsHealthcare DisparitiesHospital MortalityHumansHydroxymethylglutaryl-CoA Reductase InhibitorsIntracranial HemorrhagesLogistic ModelsMaleMiddle AgedMultivariate AnalysisPatient DischargeQuality of Health CareRetrospective StudiesSeverity of Illness IndexStrokeStroke RehabilitationThrombolytic TherapyTime-to-TreatmentTissue Plasminogen ActivatorTreatment OutcomeUnited StatesWhite PeopleConceptsAcute ischemic strokeAsian American patientsIschemic strokeWhite patientsAmerican patientsClinical outcomesHospital mortalityStroke severityAmerican Heart Association/American Stroke AssociationIntravenous tissue plasminogen activator administrationTissue plasminogen activator administrationMultivariable logistic regression modelGreater stroke severityGuidelines-Stroke programGWTG-Stroke hospitalsIntensive statin therapyOverall stroke incidenceIn-Hospital OutcomesSevere ischemic strokeWorse functional outcomeAmerican Stroke AssociationQuality improvement registryLogistic regression modelsRace/ethnicityStatin therapy
2016
Impact of Insurance Status on Outcomes and Use of Rehabilitation Services in Acute Ischemic Stroke: Findings From Get With The Guidelines‐Stroke
Medford‐Davis L, Fonarow G, Bhatt D, Xu H, Smith E, Suter R, Peterson E, Xian Y, Matsouaka R, Schwamm L. Impact of Insurance Status on Outcomes and Use of Rehabilitation Services in Acute Ischemic Stroke: Findings From Get With The Guidelines‐Stroke. Journal Of The American Heart Association 2016, 5: e004282. PMID: 27930356, PMCID: PMC5210352, DOI: 10.1161/jaha.116.004282.Peer-Reviewed Original ResearchMeSH KeywordsAgedAmbulancesAnticholesteremic AgentsAntihypertensive AgentsBrain IschemiaDiabetes MellitusFemaleGuideline AdherenceHospital MortalityHumansHypercholesterolemiaHypertensionHypoglycemic AgentsInsurance CoverageInsurance, HealthLogistic ModelsMaleMedicaidMedically UninsuredMedicareMiddle AgedMultivariate AnalysisOdds RatioPractice Guidelines as TopicSkilled Nursing FacilitiesStrokeStroke RehabilitationTime FactorsUnited StatesConceptsAcute ischemic strokeIschemic strokeInsurance statusHospital mortalityGuidelines-Stroke programIschemic stroke patientsMultivariable logistic regressionPatient insurance statusGovernment-sponsored insuranceSkilled nursing facilitiesGuidelines-StrokeInpatient rehabPostdischarge destinationHospital outcomesPatient demographicsSymptom onsetAcute treatmentControl medicationDiabetes mellitusStroke patientsHospital characteristicsUninsured patientsHigh cholesterolNursing facilitiesPreventative careSex and Age Interactions and Differences in Outcomes After Intracerebral Hemorrhage
James M, Cox M, Xian Y, Smith E, Bhatt D, Schulte P, Hernandez A, Fonarow G, Schwamm L. Sex and Age Interactions and Differences in Outcomes After Intracerebral Hemorrhage. Journal Of Women's Health 2016, 26: 380-388. PMID: 27754758, DOI: 10.1089/jwh.2016.5849.Peer-Reviewed Original ResearchConceptsIntracerebral hemorrhageSex-based interactionsTotal study populationWorse neurological deficitsAge/sexSex differencesAntiplatelet therapyHospital mortalityIschemic strokeNeurological deficitsPatient ageIndependent ambulationICH patientsStroke databaseAtrial fibrillationEarly outcomesPoor outcomeStudy populationCholesterol reducersLogistic regressionWomenTreatment differencesAgeMenHemorrhageWhy 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
2015
Patient Characteristics and Outcomes After Hemorrhagic Stroke in Pregnancy
Leffert LR, Clancy CR, Bateman BT, Cox M, Schulte PJ, Smith EE, Fonarow GC, Schwamm LH, Kuklina EV, George MG. Patient Characteristics and Outcomes After Hemorrhagic Stroke in Pregnancy. Circulation Cardiovascular Quality And Outcomes 2015, 8: s170-s178. PMID: 26515206, DOI: 10.1161/circoutcomes.115.002242.Peer-Reviewed Original ResearchConceptsStroke risk factorsSubarachnoid hemorrhage patientsHemorrhagic strokeRisk factorsHS patientsHospital mortalityHemorrhage patientsDiseases-Ninth Revision codesBlood pressure criteriaGuidelines-Stroke registryPregnancy-related strokeAssociation of pregnancyNonpregnant female patientsConditional logistic regressionFisher's exact testWilcoxon rank sum testRank sum testGuidelines-StrokeSevere preeclampsiaHome dischargeIschemic strokeNonpregnant womenPatient characteristicsRisk patientsIndependent ambulationAssociation of Acute and Chronic Hyperglycemia With Acute Ischemic Stroke Outcomes Post‐Thrombolysis: Findings From Get With The Guidelines‐Stroke
Masrur S, Cox M, Bhatt D, Smith E, Ellrodt G, Fonarow G, Schwamm L. Association of Acute and Chronic Hyperglycemia With Acute Ischemic Stroke Outcomes Post‐Thrombolysis: Findings From Get With The Guidelines‐Stroke. Journal Of The American Heart Association 2015, 4: e002193. PMID: 26408015, PMCID: PMC4845108, DOI: 10.1161/jaha.115.002193.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAgedAged, 80 and overBiomarkersBlood GlucoseBrain IschemiaChi-Square DistributionChronic DiseaseFemaleFibrinolytic AgentsGlycated HemoglobinGuideline AdherenceHospital MortalityHumansHyperglycemiaLength of StayLogistic ModelsMaleMiddle AgedMultivariate AnalysisOdds RatioPractice Guidelines as TopicPractice Patterns, Physicians'RegistriesRetrospective StudiesRisk FactorsStrokeThrombolytic TherapyTime FactorsTissue Plasminogen ActivatorTreatment OutcomeUnited StatesConceptsTissue plasminogen activatorAssociation of acuteAcute ischemic strokeHistory of diabetesWorse clinical outcomesChronic hyperglycemiaClinical outcomesGuidelines-StrokeHospital mortalityAIS patientsBlood glucoseGlucose levelsPlasma glucose levelsBlood glucose levelsAdmission glucoseNondiabetic patientsPost thrombolysisIschemic strokeAcute hyperglycemiaDL increaseAcute correctionPoor outcomeAdverse outcomesOdds ratioHyperglycemiaRacial/Ethnic and Sex Differences in Emergency Medical Services Transport Among Hospitalized US Stroke Patients: Analysis of the National Get With The Guidelines–Stroke Registry
Mochari-Greenberger H, Xian Y, Hellkamp A, Schulte P, Bhatt D, Fonarow G, Saver J, Reeves M, Schwamm L, Smith E. Racial/Ethnic and Sex Differences in Emergency Medical Services Transport Among Hospitalized US Stroke Patients: Analysis of the National Get With The Guidelines–Stroke Registry. Journal Of The American Heart Association 2015, 4: e002099. PMID: 26268882, PMCID: PMC4599467, DOI: 10.1161/jaha.115.002099.Peer-Reviewed Original ResearchMeSH KeywordsAgedAsianBlack or African AmericanChi-Square DistributionEmergency Medical ServicesFemaleHealth Knowledge, Attitudes, PracticeHispanic or LatinoHospitalizationHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisOdds RatioPatient Acceptance of Health CareRegistriesSex FactorsStrokeTransportation of PatientsUnited StatesWhite PeopleConceptsEmergency medical servicesStroke patientsStroke symptomsEMS useRace/ethnicityHospitalized acute stroke patientsEmergency medical services transportWhite womenGuidelines-Stroke registryAcute stroke patientsMultivariable logistic regressionLevel of consciousnessSex differencesGuidelines-StrokeNational GetIschemic strokeStroke outcomePatient characteristicsPotential confoundersMedical historyEMS transportSex disparitiesPatientsHispanic menLogistic regressionReal world effectiveness of warfarin among ischemic stroke patients with atrial fibrillation: observational analysis from Patient-Centered Research into Outcomes Stroke Patients Prefer and Effectiveness Research (PROSPER) study
Xian Y, Wu J, O'Brien E, Fonarow G, Olson D, Schwamm L, Bhatt D, Smith E, Suter R, Hannah D, Lindholm B, Maisch L, Greiner M, Lytle B, Pencina M, Peterson E, Hernandez A. Real world effectiveness of warfarin among ischemic stroke patients with atrial fibrillation: observational analysis from Patient-Centered Research into Outcomes Stroke Patients Prefer and Effectiveness Research (PROSPER) study. The BMJ 2015, 351: h3786. PMID: 26232340, PMCID: PMC4521370, DOI: 10.1136/bmj.h3786.Peer-Reviewed Original ResearchConceptsMajor adverse cardiovascular eventsIschemic stroke patientsCoronary artery diseaseIschemic strokeWarfarin treatmentAtrial fibrillationArtery diseaseStroke patientsRisk of MACEImproved long-term clinical outcomesPrevious coronary artery diseaseLong-term clinical outcomesMore daysAdverse cardiovascular eventsHealth Stroke ScaleRecurrent ischemic strokeTerm clinical outcomesAtrial fibrillation patientsSurvivors of strokeLongitudinal outcomesReal-world effectivenessPatient prefersCardiovascular eventsOral anticoagulantsStroke Program
2014
Hospital Case Volume Is Associated With Mortality in Patients Hospitalized With Subarachnoid Hemorrhage
Prabhakaran S, Fonarow G, Smith E, Liang L, Xian Y, Neely M, Peterson E, Schwamm L. Hospital Case Volume Is Associated With Mortality in Patients Hospitalized With Subarachnoid Hemorrhage. Neurosurgery 2014, 75: 500-508. PMID: 24979097, DOI: 10.1227/neu.0000000000000475.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedFemaleHospital MortalityHospitalsHumansLogistic ModelsMaleOdds RatioRegistriesSubarachnoid HemorrhageConceptsHospital case volumeHospital mortalitySubarachnoid hemorrhageCase volumeSAH volumeSAH patientsHospital characteristicsMedian annual case volumeGuidelines-Stroke registryLarge nationwide registryMultivariable logistic regressionLength of stayAnnual case volumeContemporary national dataIndependent ambulatory statusAmbulatory statusExperienced centersNationwide registryDischarge diagnosisOptimized careImproved outcomesRelevant patientsPatientsHospitalMortalityDeterminants of Early Outcomes in Patients with Acute Ischemic Stroke and Proximal Artery Occlusion
LaBuzetta J, Yoo A, Ali S, Fitzpatrick K, Leslie-Mazwi T, Hirsch J, Schwamm L, Rost N. Determinants of Early Outcomes in Patients with Acute Ischemic Stroke and Proximal Artery Occlusion. Journal Of Stroke And Cerebrovascular Diseases 2014, 23: 2527-2532. PMID: 25238927, PMCID: PMC4256100, DOI: 10.1016/j.jstrokecerebrovasdis.2014.03.020.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, IntravenousAgedAged, 80 and overArterial Occlusive DiseasesBrain IschemiaCombined Modality TherapyEndovascular ProceduresFemaleFibrinolytic AgentsHumansInjections, Intra-ArterialLogistic ModelsMaleMiddle AgedPatient DischargeProspective StudiesRegional Blood FlowStrokeStroke RehabilitationTime FactorsTissue Plasminogen ActivatorTreatment OutcomeConceptsIntra-arterial therapyProximal artery occlusionArtery occlusionIndependent predictorsAIS patientsPoststroke outcomesFavorable outcomeAcute ischemic stroke patientsIntravenous tissue plasminogen activatorInstitutional stroke databaseAcute ischemic strokeIschemic stroke patientsOnly independent predictorTissue plasminogen activatorEligible patientsHospital mortalityTPA administrationIschemic strokeStroke databaseAtrial fibrillationEarly outcomesPrespecified protocolStroke patientsPatient subgroupsUnfavorable outcomeImpact of an Expanded Hospital Recognition Program for Heart Failure Quality of Care
Heidenreich P, Zhao X, Hernandez A, Yancy C, Schwamm L, Albert N, Fonarow G. Impact of an Expanded Hospital Recognition Program for Heart Failure Quality of Care. Journal Of The American Heart Association 2014, 3: e000950. PMID: 25208954, PMCID: PMC4323821, DOI: 10.1161/jaha.114.000950.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCardiology Service, HospitalChi-Square DistributionCombined Modality TherapyDelivery of Health CareFemaleGuideline AdherenceHeart FailureHumansLogistic ModelsMaleMiddle AgedOdds RatioPractice Guidelines as TopicPractice Patterns, Physicians'Process Assessment, Health CareProgram EvaluationQuality ImprovementQuality Indicators, Health CareTime FactorsTreatment OutcomeUnited StatesConceptsBaseline useGuidelines-Heart Failure programImplantable cardioverter-defibrillator (ICD) useHeart Failure QualityInfluenza vaccination ratesSignificant greater increaseQuality of careHospital-level performanceTime 6 monthsHeart failureVaccination ratesCare measuresDefibrillator useHospitalHospital recognitionQuality measuresGreater increaseRate of increaseCareAdditional recognitionImpact of centralising acute stroke services in English metropolitan areas on mortality and length of hospital stay: difference-in-differences analysis
Morris S, Hunter R, Ramsay A, Boaden R, McKevitt C, Perry C, Pursani N, Rudd A, Schwamm L, Turner S, Tyrrell P, Wolfe C, Fulop N. Impact of centralising acute stroke services in English metropolitan areas on mortality and length of hospital stay: difference-in-differences analysis. The BMJ 2014, 349: g4757. PMID: 25098169, PMCID: PMC4122734, DOI: 10.1136/bmj.g4757.Peer-Reviewed Original ResearchMeSH KeywordsAgedEnglandFemaleFollow-Up StudiesHumansLength of StayLogistic ModelsMaleRisk AdjustmentStrokeUrban Health ServicesConceptsAcute stroke servicesAcute stroke careHospital stayHyperacute careStroke servicesStroke careHospital Episode Statistics databaseSymptoms of strokePatient-level dataSignificant declineIschemic strokeHospital admissionStayPatientsAbsolute reductionMortalityStrokeMortality dataCareStatistics databaseMonth periodGreater ManchesterAdmissionDaysRisk
2013
Variable Selection and Prediction Using a Nested, Matched Case-Control Study: Application to Hospital Acquired Pneumonia in Stroke Patients
Qian J, Payabvash S, Kemmling A, Lev MH, Schwamm LH, Betensky RA. Variable Selection and Prediction Using a Nested, Matched Case-Control Study: Application to Hospital Acquired Pneumonia in Stroke Patients. Biometrics 2013, 70: 153-163. PMID: 24320930, PMCID: PMC3954429, DOI: 10.1111/biom.12113.Peer-Reviewed Original ResearchConceptsMassachusetts General HospitalCase-control studyStroke patientsAcute ischemic stroke patientsBrain regionsMatched Case-Control StudyHospital-Acquired PneumoniaIschemic stroke patientsLarge prospective studiesUnconditional logistic regressionCase-control designSpecific brain regionsAcquired PneumoniaAcute infarctionClinical featuresProspective studyClinical variablesGeneral HospitalEpidemiologic studiesPatientsModern imagingLarger studyLogistic regressionAppropriate statistical analysisHAP studiesRelationship of Race/Ethnicity With Door‐to‐Balloon Time and Mortality in Patients Undergoing Primary Percutaneous Coronary Intervention for ST‐Elevation Myocardial Infarction: Findings From Get With the Guidelines–Coronary Artery Disease
Cavender M, Rassi A, Fonarow G, Cannon C, Peacock W, Laskey W, Hernandez A, Peterson E, Cox M, Grau‐Sepulveda M, Schwamm L, Bhatt D. Relationship of Race/Ethnicity With Door‐to‐Balloon Time and Mortality in Patients Undergoing Primary Percutaneous Coronary Intervention for ST‐Elevation Myocardial Infarction: Findings From Get With the Guidelines–Coronary Artery Disease. Clinical Cardiology 2013, 36: 749-756. PMID: 24085713, PMCID: PMC6649362, DOI: 10.1002/clc.22213.Peer-Reviewed Original ResearchMeSH KeywordsAgedBlack or African AmericanChi-Square DistributionFemaleGuideline AdherenceHealth Services AccessibilityHealthcare DisparitiesHispanic or LatinoHospital MortalityHumansLinear ModelsLogistic ModelsMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionOdds RatioPercutaneous Coronary InterventionPractice Guidelines as TopicProspective StudiesRegistriesRisk FactorsTime FactorsTime-to-TreatmentTreatment OutcomeUnited StatesWhite PeopleConceptsPrimary percutaneous coronary interventionPrimary PCIST-elevation myocardial infarctionDTB timeMedian DTB timeRace/ethnicityPercutaneous coronary interventionCoronary interventionArtery diseaseBalloon timeMyocardial infarctionGuidelines-Coronary Artery DiseaseProportion of patientsAfrican American raceAfrican AmericansAfrican American femalesDifferent races/ethnicitiesHospital mortalityD2B timeHispanic patientsHispanic ethnicityLower oddsAmerican racePatientsCrude differencesHospital Acquired Pneumonia Is Linked to Right Hemispheric Peri-Insular Stroke
Kemmling A, Lev MH, Payabvash S, Betensky RA, Qian J, Masrur S, Schwamm LH. Hospital Acquired Pneumonia Is Linked to Right Hemispheric Peri-Insular Stroke. PLOS ONE 2013, 8: e71141. PMID: 23951094, PMCID: PMC3737185, DOI: 10.1371/journal.pone.0071141.Peer-Reviewed Original ResearchConceptsHemispheric infarctsBrain regionsConsecutive acute stroke patientsConditional logistic regression modelsHospital-Acquired PneumoniaRight hemispheric infarctAcute stroke patientsInsular cortex volumeVolume-based variablesSpecific brain regionsLogistic regression modelsAcquired PneumoniaControl patientsMajor complicationsBrainstem strokeImmune suppressionInfarct sizeStroke patientsAutonomic modulationClinical variablesAdmission imagingInfarct locationUnivariate analysisImmune mechanismsCortex volumeRisk-Standardizing Survival for In-Hospital Cardiac Arrest to Facilitate Hospital Comparisons
Chan P, Berg R, Spertus J, Schwamm L, Bhatt D, Fonarow G, Heidenreich P, Nallamothu B, Tang F, Merchant R, Investigators A. Risk-Standardizing Survival for In-Hospital Cardiac Arrest to Facilitate Hospital Comparisons. Journal Of The American College Of Cardiology 2013, 62: 601-609. PMID: 23770167, PMCID: PMC3769937, DOI: 10.1016/j.jacc.2013.05.051.Peer-Reviewed Original ResearchRacial and Ethnic Differences in Outcomes in Older Patients With Acute Ischemic Stroke
Qian F, Fonarow G, Smith E, Xian Y, Pan W, Hannan E, Shaw B, Glance L, Peterson E, Eapen Z, Hernandez A, Schwamm L, Bhatt D. Racial and Ethnic Differences in Outcomes in Older Patients With Acute Ischemic Stroke. Circulation Cardiovascular Quality And Outcomes 2013, 6: 284-292. PMID: 23680966, DOI: 10.1161/circoutcomes.113.000211.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overBlack or African AmericanBrain IschemiaEthnicityFemaleHealth Status DisparitiesHealthcare DisparitiesHispanic or LatinoHumansLogistic ModelsMaleMedicareMultivariate AnalysisOdds RatioPatient ReadmissionRacial GroupsRegistriesRisk FactorsSeverity of Illness IndexStrokeTime FactorsTreatment OutcomeUnited StatesWhite PeopleConceptsAcute ischemic strokeLong-term outcomesRace/ethnicityCause rehospitalizationOlder patientsIschemic strokeUnadjusted mortalityHispanic patientsGuidelines-Stroke programGuidelines-Stroke registryHealth Stroke ScaleOlder Medicare beneficiariesAmerican Heart AssociationAsian American patientsYears of ageStroke ScaleStroke severityHigher median scoresAsian patientsHeart AssociationHospital characteristicsAmerican patientsUS CentersPrognostic variablesLower odds