2022
Trends in 1-Year Recurrent Ischemic Stroke in the US Medicare Fee-for-Service Population
Leifheit EC, Wang Y, Goldstein LB, Lichtman JH. Trends in 1-Year Recurrent Ischemic Stroke in the US Medicare Fee-for-Service Population. Stroke 2022, 53: 3338-3347. PMID: 36214126, PMCID: PMC11059192, DOI: 10.1161/strokeaha.122.039438.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCohort StudiesFee-for-Service PlansFemaleHumansIschemic StrokeMaleMedicareStrokeUnited StatesConceptsRecurrent ischemic strokeIschemic strokeRecurrence rateMedicare beneficiariesRecurrent stroke rateSecondary stroke preventionPoor general healthHigh-risk populationHigh recurrence rateService Medicare beneficiariesUS Medicare feeHighest sextileRecurrent strokeStroke preventionStroke recurrenceClinical characteristicsCohort studyGeneral healthPrincipal diagnosisStroke rateUninsured adultsCox modelMedicare feeHigh recurrenceTesting ratesTrends in 10-Year Outcomes Among Medicare Beneficiaries Who Survived an Acute Myocardial Infarction
Wang Y, Leifheit EC, Krumholz HM. Trends in 10-Year Outcomes Among Medicare Beneficiaries Who Survived an Acute Myocardial Infarction. JAMA Cardiology 2022, 7: 613-622. PMID: 35507330, PMCID: PMC9069341, DOI: 10.1001/jamacardio.2022.0662.Peer-Reviewed Original ResearchMeSH KeywordsAgedFee-for-Service PlansFemaleHospitalizationHumansMaleMedicareMyocardial InfarctionUnited StatesConceptsRecurrent acute myocardial infarctionAcute myocardial infarctionHealth priority areasLong-term outcomesCause mortalityHazard ratioWhite patientsMyocardial infarctionMedicare feeMedicare-MedicaidService beneficiariesInitial acute myocardial infarctionTen-year mortalityShort-term outcomesDemographic subgroupsEligible patientsPatient characteristicsAMI survivorsAcute periodMean ageRecurrence rateSubgroup analysisMAIN OUTCOMEMortality riskAMI admissions
2018
Racial/Ethnic Disparities in Mortality Among Medicare Beneficiaries in the FL‐PR CReSD Study
Gardener H, Leifheit EC, Lichtman JH, Wang Y, Wang K, Gutierrez CM, Ciliberti‐Vargas M, Dong C, Oluwole S, Robichaux M, Romano JG, Rundek T, Sacco RL, Investigators and Collaborators T. Racial/Ethnic Disparities in Mortality Among Medicare Beneficiaries in the FL‐PR CReSD Study. Journal Of The American Heart Association 2018, 8: e009649. PMID: 30587062, PMCID: PMC6405703, DOI: 10.1161/jaha.118.009649.Peer-Reviewed Original ResearchConceptsRacial/Ethnic DisparitiesQuality Improvement ProgramMedicare beneficiariesRace/ethnicityEthnic disparitiesBlack stroke patientsAcute stroke careElderly Medicare beneficiariesService Medicare beneficiariesHospital mortalityClinical characteristicsIschemic strokeStroke outcomeStroke careStroke patientsMixed logistic modelPrimary diagnosisHospitalReadmissionMortalityConclusions DisparitiesEthnic differencesE-SDOutcomesPatients
2017
Carotid Endarterectomy and Carotid Artery Stenting in the US Medicare Population, 1999-2014
Lichtman JH, Jones MR, Leifheit EC, Sheffet AJ, Howard G, Lal BK, Howard VJ, Wang Y, Curtis J, Brott TG. Carotid Endarterectomy and Carotid Artery Stenting in the US Medicare Population, 1999-2014. JAMA 2017, 318: 1035-1046. PMID: 28975306, PMCID: PMC5818799, DOI: 10.1001/jama.2017.12882.Peer-Reviewed Original ResearchConceptsVascular risk factorsCarotid endarterectomyCarotid arteryHospital mortalityCause mortalityRevascularization ratesIschemic strokeMyocardial infarctionRisk factorsMedicare beneficiariesSerial cross-sectional analysisUnderwent carotid arteryNumber of patientsUS national trendsService Medicare beneficiariesCross-sectional analysisSymptomatic patientsSymptomatic statusUnique patientsCarotid stenosisEndarterectomyMedicare inpatientMAIN OUTCOMEMedicare feePatients
2013
Preventable Readmissions Within 30 Days of Ischemic Stroke Among Medicare Beneficiaries
Lichtman JH, Leifheit-Limson EC, Jones SB, Wang Y, Goldstein LB. Preventable Readmissions Within 30 Days of Ischemic Stroke Among Medicare Beneficiaries. Stroke 2013, 44: 3429-3435. PMID: 24172581, PMCID: PMC3905749, DOI: 10.1161/strokeaha.113.003165.Peer-Reviewed Original ResearchConceptsPreventable readmission ratesIschemic strokePrevention Quality IndicatorsPreventable readmissionsReadmission ratesHealthcare ResearchQuality's Prevention Quality IndicatorsHospital Inpatient Quality Reporting ProgramCauses of readmissionThirty-day readmissionHigh-risk patientsPatient-level factorsRandom effects logistic regressionIschemic stroke dischargesQuality Reporting ProgramCause readmissionHospital readmissionComorbid conditionsPreventable causePrimary diagnosisReadmissionMedicare feeMedicare beneficiariesService beneficiariesMultivariate analysis
2011
30-Day Mortality and Readmission After Hemorrhagic Stroke Among Medicare Beneficiaries in Joint Commission Primary Stroke Center-Certified and Noncertified Hospitals
Lichtman JH, Jones SB, Leifheit-Limson EC, Wang Y, Goldstein LB. 30-Day Mortality and Readmission After Hemorrhagic Stroke Among Medicare Beneficiaries in Joint Commission Primary Stroke Center-Certified and Noncertified Hospitals. Stroke 2011, 42: 3387-3391. PMID: 22033986, PMCID: PMC3292255, DOI: 10.1161/strokeaha.111.622613.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overFee-for-Service PlansFemaleHospital MortalityHospitalizationHospitalsHumansIntracranial HemorrhagesMaleMedicareRiskStrokeUnited StatesConceptsSubarachnoid hemorrhageIntracerebral hemorrhageReadmission ratesHemorrhagic strokeMedicare beneficiariesJoint Commission Primary Stroke CentersLower risk-adjusted mortality ratesCox proportional hazards regressionRisk-adjusted readmission ratesRisk-adjusted mortality ratesIschemic stroke patientsPrimary discharge diagnosisPrimary stroke centerProportional hazards regressionService Medicare beneficiariesEffects of careHospital mortalityStroke centersStroke patientsDischarge diagnosisHazards regressionMortality rateBetter outcomesHospitalPatients