2022
Differences in Performance on Quality Measures for Thrombectomy‐Capable Stroke Centers Compared With Comprehensive Stroke Centers in 2019 to 2020
Baker D, Schmaltz S, Kolbusz K, Messé S, Jauch E, Schwamm L. Differences in Performance on Quality Measures for Thrombectomy‐Capable Stroke Centers Compared With Comprehensive Stroke Centers in 2019 to 2020. Stroke Vascular And Interventional Neurology 2022, 2 DOI: 10.1161/svin.121.000302.Peer-Reviewed Original ResearchComprehensive stroke centerLarge vessel occlusionMechanical thrombectomyStroke centersSkin punctureCerebral infarctionMedian timeStroke center certificationSymptomatic hemorrhagic complicationsSymptomatic hemorrhagic transformationPercentage of patientsProportion of patientsSuccessful mechanical thrombectomyThrombectomy-capable stroke centersProlonged transport timesWilcoxon rank sum testRank sum testHemorrhagic transformationHemorrhagic complicationsStroke careCenter certificationSigned-rank testCurrent recommendationsPatientsMedian proportion
2021
Association Between Hospital Volumes and Clinical Outcomes for Patients With Nontraumatic Subarachnoid Hemorrhage
Leifer D, Fonarow G, Hellkamp A, Baker D, Hoh B, Prabhakaran S, Schoeberl M, Suter R, Washington C, Williams S, Xian Y, Schwamm L. Association Between Hospital Volumes and Clinical Outcomes for Patients With Nontraumatic Subarachnoid Hemorrhage. Journal Of The American Heart Association 2021, 10: e018373. PMID: 34325522, PMCID: PMC8475679, DOI: 10.1161/jaha.120.018373.Peer-Reviewed Original ResearchConceptsAnnual case volumeComprehensive Stroke Center (CSC) certificationStroke center certificationNational Inpatient SampleSubarachnoid hemorrhageNontraumatic subarachnoid hemorrhageCase volumeHospital mortalityClinical outcomesPoor outcomeCenter certificationSAH casesBetter outcomesVolume thresholdHospital annual case volumeHospital case volumeCases/yearBackground Previous studiesLogistic regression modelsSAH hospitalizationsHospital volumeAneurysm obliterationInpatient SampleOdds ratioImproved outcomes
2019
Stroke Center Certification and Performance: A Longitudinal Analysis of the Northeast Cerebrovascular Consortium Region.
Wira CR, Melluzzo S, Beasley TM, Magdon-Ismail Z, Day D, Madsen TE, McCullough LD, Stein J, Schwamm LH, Gropen T. Stroke Center Certification and Performance: A Longitudinal Analysis of the Northeast Cerebrovascular Consortium Region. The Yale Journal Of Biology And Medicine 2019, 92: 587-596. PMID: 31866774, PMCID: PMC6913814.Peer-Reviewed Original ResearchRecommendations for the Establishment of Stroke Systems of Care: A 2019 Update: A Policy Statement From the American Stroke Association
Adeoye O, Nyström K, Yavagal D, Luciano J, Nogueira R, Zorowitz R, Khalessi A, Bushnell C, Barsan W, Panagos P, Alberts M, Tiner A, Schwamm L, Jauch E. Recommendations for the Establishment of Stroke Systems of Care: A 2019 Update: A Policy Statement From the American Stroke Association. Stroke 2019, 50: e187-e210. PMID: 31104615, DOI: 10.1161/str.0000000000000173.Peer-Reviewed Original ResearchConceptsAmerican Stroke AssociationStroke systemsStroke AssociationStroke center certificationMobile stroke unitEmergency medical servicesHospital dischargeSecondary preventionStroke centersEndovascular therapyStroke unitPrimary preventionCenter certificationNeurocritical careAssociation recommendationsCareBasis of improvementStroke recognitionMedical servicesHealthcare agenciesScientific evidenceHealthcare policyAppropriate facilitiesPreventionSignificant changes
2018
Comparison of Acute Ischemic Stroke Care and Outcomes Between Comprehensive Stroke Centers and Primary Stroke Centers in the United States
Man S, Zhao X, Uchino K, Hussain M, Smith E, Bhatt D, Xian Y, Schwamm L, Shah S, Khan Y, Fonarow G. Comparison of Acute Ischemic Stroke Care and Outcomes Between Comprehensive Stroke Centers and Primary Stroke Centers in the United States. Circulation Cardiovascular Quality And Outcomes 2018, 11: e004512. PMID: 29794035, PMCID: PMC5978771, DOI: 10.1161/circoutcomes.117.004512.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBrain IschemiaCertificationComprehensive Health CareDelivery of Health Care, IntegratedEmergency Service, HospitalEndovascular ProceduresFemaleHospital MortalityHospitalsHumansMaleMiddle AgedOutcome and Process Assessment, Health CarePatient AdmissionPatient TransferQuality ImprovementQuality Indicators, Health CareRecovery of FunctionRegistriesRisk AssessmentRisk FactorsStrokeThrombolytic TherapyTime FactorsTime-to-TreatmentTreatment OutcomeUnited StatesConceptsPrimary stroke centerEmergency department admissionsStroke center certificationAcute ischemic strokeIschemic stroke careStroke centersStroke careDepartment admissionsHospital mortalityHospital outcomesIntravenous tPAIschemic strokeCenter certificationTPA timeComprehensive Stroke Center (CSC) certificationAcute ischemic stroke careMultivariable logistic regression modelAcute reperfusion therapyAcute stroke triageBrain Attack CoalitionDefect-free careComprehensive stroke centerOverall care qualityLogistic regression modelsGuidelines-Stroke
2016
Differences in Acute Ischemic Stroke Quality of Care and Outcomes by Primary Stroke Center Certification Organization
Man S, Cox M, Patel P, Smith E, Reeves M, Saver J, Bhatt D, Xian Y, Schwamm L, Fonarow G. Differences in Acute Ischemic Stroke Quality of Care and Outcomes by Primary Stroke Center Certification Organization. Stroke 2016, 48: 412-419. PMID: 28008094, DOI: 10.1161/strokeaha.116.014426.Peer-Reviewed Original ResearchConceptsHealthcare Facilities Accreditation ProgramPSC certificationStroke patientsJoint CommissionIntravenous tissue-type plasminogen activator useHospital risk-adjusted mortalityAcute ischemic stroke patientsStroke qualityAcute ischemic stroke admissionsCare qualityPrimary stroke center certificationGuidelines-Stroke hospitalsStroke center certificationIschemic stroke patientsIschemic stroke admissionsRisk-adjusted mortalityEvidence-based careSystems of careAccreditation programGuidelines-StrokeHospital outcomesNeedle timeStroke admissionsCenter certificationGroup of hospitalsWhy 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
2013
Comparison of Performance Achievement Award Recognition With Primary Stroke Center Certification for Acute Ischemic Stroke Care
Fonarow G, Liang L, Smith E, Reeves M, Saver J, Xian Y, Hernandez A, Peterson E, Schwamm L, Committee & Investigators G. Comparison of Performance Achievement Award Recognition With Primary Stroke Center Certification for Acute Ischemic Stroke Care. Journal Of The American Heart Association 2013, 2: e000451. PMID: 24125846, PMCID: PMC3835260, DOI: 10.1161/jaha.113.000451.Peer-Reviewed Original ResearchConceptsPrimary stroke center certificationStroke center certificationAcute ischemic strokeHospital characteristicsIschemic strokeCenter certificationAcute ischemic stroke careStroke performance measuresIschemic stroke careAmerican Heart AssociationPSC certificationPatient characteristicsStroke careStroke measuresHeart AssociationCare measuresHigher oddsPatientsHospitalPSC statusStroke qualityHospital certificationStrokeCare
2012
Data quality in the American Heart Association Get With The Guidelines-Stroke (GWTG-Stroke): Results from a National Data Validation Audit
Xian Y, Fonarow G, Reeves M, Webb L, Blevins J, Demyanenko V, Zhao X, Olson D, Hernandez A, Peterson E, Schwamm L, Smith E. Data quality in the American Heart Association Get With The Guidelines-Stroke (GWTG-Stroke): Results from a National Data Validation Audit. American Heart Journal 2012, 163: 392-398.e1. PMID: 22424009, DOI: 10.1016/j.ahj.2011.12.012.Peer-Reviewed Original ResearchConceptsMedical recordsDeep venous thrombosis prophylaxisPrimary stroke center certificationGWTG-Stroke hospitalsHospital academic statusStroke center certificationVenous thrombosis prophylaxisNational Stroke RegistryAmerican Heart AssociationQuality Improvement ProgramIntraclass correlationIschemic stroke volumeGuidelines-StrokeGWTG-StrokeStroke RegistryThrombosis prophylaxisNeedle timeSerum creatinineSymptom onsetHeart AssociationCenter certificationStroke volumeRegistry dataRegistry participationCategorical variables