2024
Trends in Stroke Thrombolysis Care Metrics and Outcomes by Race and Ethnicity, 2003-2021
Man S, Solomon N, Mac Grory B, Alhanti B, Saver J, Smith E, Xian Y, Bhatt D, Schwamm L, Uchino K, Fonarow G. Trends in Stroke Thrombolysis Care Metrics and Outcomes by Race and Ethnicity, 2003-2021. JAMA Network Open 2024, 7: e2352927. PMID: 38324315, PMCID: PMC10851100, DOI: 10.1001/jamanetworkopen.2023.52927.Peer-Reviewed Original ResearchConceptsDoor-to-needleDoor-to-needle timeHispanic patientsWhite patientsAssociated with improvementsThrombolysis rateCohort studyEthnic groupsQuality InitiativeCohort study of patientsCare qualityCare metricsPre-testIschemic strokeEthnic disparitiesRetrospective cohort studyMain OutcomesPatient functionIschemic stroke onsetSecondary outcomesPrimary outcomeStudy of patientsOddsAcute ischemic strokeStroke onset
2016
Sex and Race/Ethnicity Differences in Implantable Cardioverter-Defibrillator Counseling and Use Among Patients Hospitalized With Heart Failure
Hess P, Hernandez A, Bhatt D, Hellkamp A, Yancy C, Schwamm L, Peterson E, Schulte P, Fonarow G, Al-Khatib S. Sex and Race/Ethnicity Differences in Implantable Cardioverter-Defibrillator Counseling and Use Among Patients Hospitalized With Heart Failure. Circulation 2016, 134: 517-526. PMID: 27492903, DOI: 10.1161/circulationaha.115.021048.Peer-Reviewed Original ResearchConceptsHeart failureWhite patientsHispanic patientsBlack patientsGuidelines-Heart Failure programRace/ethnicity differencesRace/ethnicityEligible patientsHospital stayEjection fractionPrimary preventionMinority patientsPatientsICDWomenCounselingMenEthnicity differencesObservational analysisSexFailureEthnicityPrevious studiesStayEthnic minorities
2014
Racial/Ethnic Differences in Process of Care and Outcomes Among Patients Hospitalized With Intracerebral Hemorrhage
Xian Y, Holloway R, Smith E, Schwamm L, Reeves M, Bhatt D, Schulte P, Cox M, Olson D, Hernandez A, Lytle B, Anstrom K, Fonarow G, Peterson E. Racial/Ethnic Differences in Process of Care and Outcomes Among Patients Hospitalized With Intracerebral Hemorrhage. Stroke 2014, 45: 3243-3250. PMID: 25213344, DOI: 10.1161/strokeaha.114.005620.Peer-Reviewed Original ResearchConceptsWhite patientsAsian patientsRace/ethnicityCessation counselingLower oddsDeep venous thrombosis prophylaxisGuidelines-Stroke hospitalsStroke performance measuresVenous thrombosis prophylaxisHospital-level characteristicsMultivariable logistic regressionProcess of careEthnic differencesHospital mortalityThrombosis prophylaxisCause mortalityHospital outcomesSevere strokeDysphagia screeningBlack patientsIntracerebral hemorrhageMedian lengthHigher oddsStroke educationComfort measures
2013
Racial 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 oddsComparison of Ischemic Stroke Outcomes and Patient and Hospital Characteristics by Race/Ethnicity and Socioeconomic Status
Hanchate A, Schwamm L, Huang W, Hylek E. Comparison of Ischemic Stroke Outcomes and Patient and Hospital Characteristics by Race/Ethnicity and Socioeconomic Status. Stroke 2013, 44: 469-476. PMID: 23306327, PMCID: PMC3595403, DOI: 10.1161/strokeaha.112.669341.Peer-Reviewed Original ResearchConceptsRace/ethnicityAcute ischemic strokeInpatient mortalityRisk-adjusted ratesIschemic strokeSocioeconomic statusBlack patientsArea patientsNonfederal acute care hospitalsRisk-adjusted inpatient mortalityIschemic stroke outcomeInpatient mortality rateIschemic stroke admissionsCrude inpatient mortality rateLength of stayPatient's zip codeAcute care hospitalsLonger lengthStroke admissionsStroke outcomeStroke severityCare hospitalDischarge outcomesWhite patientsMechanical ventilation
2012
Predictors of Rapid Brain Imaging in Acute Stroke
Kelly A, Hellkamp A, Olson D, Smith E, Schwamm L. Predictors of Rapid Brain Imaging in Acute Stroke. Stroke 2012, 43: 1279-1284. PMID: 22442169, DOI: 10.1161/strokeaha.111.626374.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedDiabetes MellitusEmergency Service, HospitalFemaleFibrinolytic AgentsGuideline AdherenceHumansMagnetic Resonance ImagingMaleMultivariate AnalysisNeuroimagingPractice Guidelines as TopicRacial GroupsRetrospective StudiesSex FactorsStrokeThrombolytic TherapyTime FactorsTissue Plasminogen ActivatorTomography, X-Ray ComputedConceptsEmergency department arrivalBrain imagingSymptom onsetHealth Stroke Scale scoreFuture quality improvement initiativesGuidelines-Stroke programStroke Scale scoreStroke symptom onsetAcute stroke symptomsHistory of diabetesPeripheral vascular diseaseMultivariable logistic regressionQuality improvement initiativesEffectiveness of thrombolysisOverall imaging rateProsthetic heart valvesPredictive variablesAcute strokeMost patientsHospital clusteringIndependent predictorsStroke symptomsNonwhite raceEmergency departmentVascular disease
2010
Race/Ethnicity, Quality of Care, and Outcomes in Ischemic Stroke
Schwamm L, Reeves M, Pan W, Smith E, Frankel M, Olson D, Zhao X, Peterson E, Fonarow G. Race/Ethnicity, Quality of Care, and Outcomes in Ischemic Stroke. Circulation 2010, 121: 1492-1501. PMID: 20308617, DOI: 10.1161/circulationaha.109.881490.Peer-Reviewed Original ResearchConceptsQuality of careWhite patientsRace/ethnicityHospital mortalityIschemic strokeHispanic patientsBlack patientsDeep vein thrombosis prophylaxisEvidence-based care processesGuidelines-Stroke programStroke performance measuresHospital-level variablesQuality Improvement ProgramRace/ethnicity groupsDischarge antithromboticsIntravenous thrombolysisRecurrent strokeThrombosis prophylaxisDiabetes mellitusStroke careAtrial fibrillationMedian lengthSmoking cessationLipid therapyHigher odds