2022
Estimated Population Access to Acute Stroke and Telestroke Centers in the US, 2019
Zachrison K, Cash R, Adeoye O, Boggs K, Schwamm L, Mehrotra A, Camargo C. Estimated Population Access to Acute Stroke and Telestroke Centers in the US, 2019. JAMA Network Open 2022, 5: e2145824. PMID: 35138392, PMCID: PMC8829668, DOI: 10.1001/jamanetworkopen.2021.45824.Peer-Reviewed Original ResearchMeSH KeywordsCritical CareCross-Sectional StudiesEmergency Medical ServicesHealth Services AccessibilityHumansStrokeTelemedicineUnited States
2021
Associations of Medicaid Expansion With Access to Care, Severity, and Outcomes for Acute Ischemic Stroke
McGee B, Seagraves K, Smith E, Xian Y, Zhang S, Alhanti B, Matsouaka R, Reeves M, Schwamm L, Fonarow G. Associations of Medicaid Expansion With Access to Care, Severity, and Outcomes for Acute Ischemic Stroke. Circulation Cardiovascular Quality And Outcomes 2021, 14: e007940. PMID: 34587752, DOI: 10.1161/circoutcomes.121.007940.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeLow-income cohortSkilled nursing facilitiesIschemic strokeMedicaid expansionStroke admissionsNonexpansion statesNursing facilitiesLow-income US populationHigh stroke burdenPrimary stroke preventionOdds of dischargeIschemic stroke admissionsExpansion statesSeverity of presentationLevel of disabilityReceipt of rehabilitationHealth insurance statusHealth insurance coverageHospital mortalityUninsured hospitalizationsStroke preventionDischarge dispositionStroke burdenStroke outcomeAccess to Mechanical Thrombectomy for Ischemic Stroke in the United States
Kamel H, Parikh N, Chatterjee A, Kim L, Saver J, Schwamm L, Zachrison K, Nogueira R, Adeoye O, Díaz I, Ryan A, Pandya A, Navi B. Access to Mechanical Thrombectomy for Ischemic Stroke in the United States. Stroke 2021, 52: 2554-2561. PMID: 33980045, PMCID: PMC8316281, DOI: 10.1161/strokeaha.120.033485.Peer-Reviewed Original ResearchConceptsIschemic strokeMechanical thrombectomyUnadjusted logistic regression modelsNonfederal emergency departmentsAcute ischemic strokeLarge cerebral vesselsAcute care hospitalsMultiple sensitivity analysesLogistic regression modelsStandard descriptive statisticsIntravenous thrombolysisStroke severityUrban patientsCare hospitalSuch patientsInterhospital transferRural patientsStroke careEmergency departmentPopulation-wide dataCerebral vesselsThrombectomyCalendar year 2016PatientsPrimary analysis
2018
Evaluation of the Experience of Spoke Hospitals in an Academic Telestroke Network
Gadhia R, Schwamm L, Viswanathan A, Whitney C, Moreno A, Zachrison K. Evaluation of the Experience of Spoke Hospitals in an Academic Telestroke Network. Telemedicine Journal And E-Health 2018, 25: 584-590. PMID: 30256724, DOI: 10.1089/tmj.2018.0133.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 differencesInsurance 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
Emergency Medical Service Hospital Prenotification Is Associated With Improved Evaluation and Treatment of Acute Ischemic Stroke
Lin C, Peterson E, Smith E, Saver J, Liang L, Xian Y, Olson D, Shah B, Hernandez A, Schwamm L, Fonarow G. Emergency Medical Service Hospital Prenotification Is Associated With Improved Evaluation and Treatment of Acute Ischemic Stroke. Circulation Cardiovascular Quality And Outcomes 2012, 5: 514-522. PMID: 22787065, DOI: 10.1161/circoutcomes.112.965210.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBrain IschemiaCommunicationEmergency Medical ServicesEmergency Service, HospitalFemaleFibrinolytic AgentsGuideline AdherenceHealth Services AccessibilityHospitalsHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisOutcome and Process Assessment, Health CarePractice Guidelines as TopicQuality ImprovementRegistriesStrokeThrombolytic TherapyTime FactorsTime-to-TreatmentTissue Plasminogen ActivatorTreatment OutcomeUnited StatesConceptsAcute ischemic strokeTissue plasminogen activatorNeedle timeEMS prenotificationHospital prenotificationIschemic strokeEligible patientsShorter doorIntravenous tissue plasminogen activatorClustering of patientsShorter symptom onsetQuality of careGuidelines-StrokeTPA useSymptom onsetPotential strokeStroke treatmentPatientsPoisson regressionStrokeTreatment ratesIncoming patientsGreater likelihoodPrenotificationMinutesCare and Outcomes of Asian-American Acute Myocardial Infarction Patients
Qian F, Ling F, Deedwania P, Hernandez A, Fonarow G, Cannon C, Peterson E, Peacock W, Kaltenbach L, Laskey W, Schwamm L, Bhatt D. Care and Outcomes of Asian-American Acute Myocardial Infarction Patients. Circulation Cardiovascular Quality And Outcomes 2012, 5: 126-133. PMID: 22235068, DOI: 10.1161/circoutcomes.111.961987.Peer-Reviewed Original ResearchConceptsGuidelines-Coronary Artery Disease programAcute myocardial infarctionAMI patientsDisease programsBalloon timeWhite patientsAcute myocardial infarction patientsAMI performance measuresDefect-free careHospital mortality rateEvidence-based careAmerican Heart AssociationMyocardial infarction patientsAsian American patientsUnited States CentersHospital mortalityCessation counselingUnadjusted mortalityHeart failureHeart AssociationInfarction patientsMyocardial infarctionHigh prevalenceClinical careMortality rate