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 ResearchConceptsRecurrent 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 rates
2018
Outcomes after carotid endarterectomy among elderly dual Medicare-Medicaid-eligible patients.
Leifheit EC, Wang Y, Howard G, Howard VJ, Goldstein LB, Brott TG, Lichtman JH. Outcomes after carotid endarterectomy among elderly dual Medicare-Medicaid-eligible patients. Neurology 2018, 91: e1553-e1558. PMID: 30266891, PMCID: PMC6205687, DOI: 10.1212/wnl.0000000000006380.Peer-Reviewed Original ResearchConceptsCarotid endarterectomyDual-eligible patientsRelative annual reductionService Medicare beneficiariesDual-eligible statusYears of ageDual-eligible beneficiariesEligible patientsCause mortalityCause readmissionClinical characteristicsIschemic strokeAdjusted analysisStudy cohortWorse outcomesMedicaid coverageMedicare beneficiariesDual eligiblesPatientsMedicaid benefitsMedicare-MedicaidMedicareOutcomesEndarterectomyHigh rate
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