2021
Telehealth Disparities: The Authors Reply
Rodriguez J, Bates D, Samal L, Saadi A, Schwamm L. Telehealth Disparities: The Authors Reply. Health Affairs 2021, 40: 1340-1340. PMID: 34339238, DOI: 10.1377/hlthaff.2021.01041.Peer-Reviewed Original ResearchDisparities In Telehealth Use Among California Patients With Limited English Proficiency
Rodriguez J, Saadi A, Schwamm L, Bates D, Samal L. Disparities In Telehealth Use Among California Patients With Limited English Proficiency. Health Affairs 2021, 40: 487-495. PMID: 33646862, DOI: 10.1377/hlthaff.2020.00823.Peer-Reviewed Original ResearchMeSH KeywordsCaliforniaCommunication BarriersHealthcare DisparitiesHumansLanguageLimited English ProficiencyTelemedicineConceptsLimited English proficiencyTelehealth useCalifornia Health Interview SurveyEmergency department useMultivariable logistic regressionHealth Interview SurveyHealth care accessCalifornia patientsDepartment useCare accessPatientsClinical teamCare deliveryTelehealth servicesLogistic regressionInterview SurveyLower ratesTelehealthEnglish proficiencyLanguage barriersClinicians
2020
Trends Among Rural and Urban Medicare Beneficiaries in Care Delivery and Outcomes for Acute Stroke and Transient Ischemic Attacks, 2008-2017
Wilcock A, Zachrison K, Schwamm L, Uscher-Pines L, Zubizarreta J, Mehrotra A. Trends Among Rural and Urban Medicare Beneficiaries in Care Delivery and Outcomes for Acute Stroke and Transient Ischemic Attacks, 2008-2017. JAMA Neurology 2020, 77: 863-871. PMID: 32364573, PMCID: PMC7358912, DOI: 10.1001/jamaneurol.2020.0770.Peer-Reviewed Original ResearchConceptsTransient ischemic attackAcute ischemic strokeIschemic attackAcute strokeStroke centersRural-urban disparitiesResidential zip codeIschemic strokeEnd-stage kidney diseaseRural-Urban Commuting Area codesDescriptive observational studyHealth care centersUrban Medicare beneficiariesQuality of careTraditional MedicareNeurologist evaluationOutcome patientsUrban patientsStroke careNeurology consultationKidney diseaseMean ageCare centerStroke systemsObservational study
2019
Comparison 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
2018
Rates, Characteristics, and Outcomes of Patients Transferred to Specialized Stroke Centers for Advanced Care
Ali S, Fonarow G, Liang L, Xian Y, Smith E, Bhatt D, Schwamm L. Rates, Characteristics, and Outcomes of Patients Transferred to Specialized Stroke Centers for Advanced Care. Circulation Cardiovascular Quality And Outcomes 2018, 11: e003359. PMID: 30354551, DOI: 10.1161/circoutcomes.116.003359.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCentralized Hospital ServicesDisability EvaluationFemaleHealthcare DisparitiesHospital MortalityHumansMaleMiddle AgedPatient AdmissionPatient TransferRecovery of FunctionRegistriesRetrospective StudiesRisk AssessmentRisk FactorsStrokeTime FactorsTime-to-TreatmentTreatment OutcomeUnited StatesConceptsSpecialized stroke centersStroke centersHospital mortalityAIS casesPrevious stroke/transient ischemic attackStroke/transient ischemic attackHealth Stroke Scale scoreHigher median National InstitutesWorse short-term outcomesAcute ischemic stroke careGuidelines-Stroke registryMedian National InstitutesOutcomes of patientsStroke Scale scoreTransient ischemic attackShort-term outcomesIschemic stroke careTransfer of patientsMidwest teaching hospitalInstitutional mortality ratesIschemic attackMultivariable adjustmentBaseline characteristicsRankin ScaleClinical outcomes
2017
Regional Variation in 30-Day Ischemic Stroke Outcomes for Medicare Beneficiaries Treated in Get With The Guidelines–Stroke Hospitals
Thompson M, Zhao X, Bekelis K, Gottlieb D, Fonarow G, Schulte P, Xian Y, Lytle B, Schwamm L, Smith E, Reeves M. Regional Variation in 30-Day Ischemic Stroke Outcomes for Medicare Beneficiaries Treated in Get With The Guidelines–Stroke Hospitals. Circulation Cardiovascular Quality And Outcomes 2017, 10: e003604. PMID: 28798017, DOI: 10.1161/circoutcomes.117.003604.Peer-Reviewed Original ResearchMeSH KeywordsAdministrative Claims, HealthcareAgedBrain IschemiaDatabases, FactualFee-for-Service PlansFemaleGuideline AdherenceHealth ResourcesHealthcare DisparitiesHospitalsHumansInsurance BenefitsMaleMedicarePatient ReadmissionPractice Guidelines as TopicProcess Assessment, Health CareQuality Indicators, Health CareRegistriesRisk FactorsStrokeTime FactorsTreatment OutcomeUnited StatesConceptsReadmission ratesHospital characteristicsHRR levelHealthcare resourcesGuidelines-Stroke hospitalsGuidelines-Stroke registryHealthcare resource dataIschemic stroke outcomeThirty-day mortalityIschemic stroke mortalityHospital referral region levelStroke outcomeHospital factorsPatient characteristicsStroke mortalityCare measuresMedicare beneficiariesMedicare feeMortalityDartmouth AtlasPatientsRegional variationHealth careOutcomesReadmission
2016
Why 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
2014
Authors' Reply
Cavender M, Rassi A, Schwamm L, Fonarow G, Cannon C, Peacock W, Laskey W, Hernandez A, Peterson E, Cox M, Grau‐Sepulveda M, Bhatt D. Authors' Reply. Clinical Cardiology 2014, 37: 323-323. PMID: 24596074, PMCID: PMC6649478, DOI: 10.1002/clc.22265.Peer-Reviewed Original Research
2013
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
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 differencesRacial 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 oddsInsurance Status and Outcome after Intracerebral Hemorrhage: Findings from Get With The Guidelines-Stroke
James M, Grau-Sepulveda M, Olson D, Smith E, Hernandez A, Peterson E, Schwamm L, Bhatt D, Fonarow G. Insurance Status and Outcome after Intracerebral Hemorrhage: Findings from Get With The Guidelines-Stroke. Journal Of Stroke And Cerebrovascular Diseases 2013, 23: 283-292. PMID: 23537567, DOI: 10.1016/j.jstrokecerebrovasdis.2013.02.016.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCerebral HemorrhageChi-Square DistributionFemaleGuideline AdherenceHealth Services AccessibilityHealthcare DisparitiesHumansInsurance CoverageInsurance, HealthLogistic ModelsMaleMedicaidMedically UninsuredMedicareMiddle AgedMultivariate AnalysisOdds RatioPatient DischargePractice Guidelines as TopicPractice Patterns, Physicians'Private SectorQuality of Health CareRegistriesRetrospective StudiesRisk FactorsTreatment OutcomeUnited StatesConceptsInsurance statusIntracerebral hemorrhageCare measuresOdds ratioND groupHospital mortality rateProspective stroke registryPrivate insurance groupHigher mortality riskHigher odds ratioEvidence-based qualityInsurance groupsHospital-specific variablesGuidelines-StrokeHospital outcomesStroke RegistryDischarge destinationIndependent ambulationComorbid conditionsStroke databaseAdjusted analysisICH patientsFunctional statusCare indicatorsMedicare patients
2012
Age and Gender Differences in Quality of Care and Outcomes for Patients with ST-segment Elevation Myocardial Infarction
Bangalore S, Fonarow G, Peterson E, Hellkamp A, Hernandez A, Laskey W, Peacock W, Cannon C, Schwamm L, Bhatt D, Committee and Investigators G. Age and Gender Differences in Quality of Care and Outcomes for Patients with ST-segment Elevation Myocardial Infarction. The American Journal Of Medicine 2012, 125: 1000-1009. PMID: 22748404, DOI: 10.1016/j.amjmed.2011.11.016.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAged, 80 and overCohort StudiesFemaleGuideline AdherenceHealthcare DisparitiesHospital MortalityHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionOutcome and Process Assessment, Health CarePractice Guidelines as TopicPrognosisQuality Indicators, Health CareRegistriesRisk FactorsSex FactorsUnited StatesConceptsST-segment elevation myocardial infarctionElevation myocardial infarctionQuality of careYounger patientsMyocardial infarctionHospital outcomesOlder patientsST-segment elevation myocardial infarction casesGuidelines-Coronary Artery Disease registryTraditional cardiovascular risk factorsCoronary Artery Disease registryCardiovascular risk factorsAmerican Heart AssociationMyocardial infarction casesOlder counterpartsYounger cohortsTime trend analysisHospital mortalityHospital deathHeart AssociationRisk factorsWorse outcomesInfarction casesThrombolytic timeDisease RegistryPredictors of Increased Intravenous Tissue Plasminogen Activator Use Among Hospitals Participating in the Massachusetts Primary Stroke Service Program
Rost N, Smith E, Pervez M, Mello P, Dreyer P, Schwamm L. Predictors of Increased Intravenous Tissue Plasminogen Activator Use Among Hospitals Participating in the Massachusetts Primary Stroke Service Program. Circulation Cardiovascular Quality And Outcomes 2012, 5: 314-320. PMID: 22534407, PMCID: PMC3361890, DOI: 10.1161/circoutcomes.111.962829.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overEmergency Service, HospitalFemaleFibrinolytic AgentsHealthcare DisparitiesHumansInfusions, IntravenousLinear ModelsLogistic ModelsMaleMassachusettsMiddle AgedMultivariate AnalysisOdds RatioPatient SelectionPractice Guidelines as TopicQuality ImprovementRegional Medical ProgramsRetrospective StudiesRisk AssessmentRisk FactorsStrokeThrombolytic TherapyTime FactorsTissue Plasminogen ActivatorTreatment OutcomeConceptsIntravenous tissue plasminogen activator useTissue plasminogen activator useAcute ischemic strokeTPA useIschemic strokeOlder acute ischemic stroke patientsAcute ischemic stroke patientsGuidelines-Stroke programStroke center designationIschemic stroke patientsRate of thrombolysisQuality improvement initiativesEmergency medical servicesStroke onsetSymptom onsetStroke patientsTreatment disparitiesCenter designationPatientsHospitalMassachusetts DepartmentImprovement initiativesMedical servicesOverall rateFurther studies
2009
Regional Implementation of the Stroke Systems of Care Model
Gropen T, Magdon-Ismail Z, Day D, Melluzzo S, Schwamm L. Regional Implementation of the Stroke Systems of Care Model. Stroke 2009, 40: 1793-1802. PMID: 19299641, DOI: 10.1161/strokeaha.108.531053.Peer-Reviewed Original ResearchMeSH KeywordsEmergency Medical ServicesEvidence-Based MedicineGuidelines as TopicHealth EducationHealth PersonnelHealth Planning SupportHealthcare DisparitiesHumansModels, TheoreticalNew EnglandPatient AdvocacyRegional Medical ProgramsRural PopulationSocioeconomic FactorsStrokeStroke RehabilitationUrban PopulationConceptsStroke systemsCare modelStroke careStroke-related death ratesEmergency medical services dispatchAcute stroke protocolSecondary prevention strategiesContinuum of careEvidence-based interventionsPublic health officialsStroke centersStroke protocolStroke patientsCare measuresStroke resourcesPrevention strategiesHealth professionalsCare deliveryRehabilitation servicesOrder setsDeath rateHealth officialsCareSignificant disparitiesWriting group