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 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
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
2015
Sex Differences in Cardiac Risk Factors, Perceived Risk, and Health Care Provider Discussion of Risk and Risk Modification Among Young Patients With Acute Myocardial Infarction The VIRGO Study
Leifheit-Limson EC, D’Onofrio G, Daneshvar M, Geda M, Bueno H, Spertus JA, Krumholz HM, Lichtman JH. Sex Differences in Cardiac Risk Factors, Perceived Risk, and Health Care Provider Discussion of Risk and Risk Modification Among Young Patients With Acute Myocardial Infarction The VIRGO Study. Journal Of The American College Of Cardiology 2015, 66: 1949-1957. PMID: 26515996, PMCID: PMC4628727, DOI: 10.1016/j.jacc.2015.08.859.Peer-Reviewed Original ResearchConceptsCardiac risk factorsAcute myocardial infarctionHealth care provider discussionsRisk modificationRisk factorsHeart diseaseHealth care providersProvider discussionsVIRGO StudyYounger patientsMyocardial infarctionCare providersSignificant cardiac risk factorsYoung AMI patientsPatients age 18Heart disease riskRisk factor prevalenceSelf-perceived riskModified Poisson regressionSex differencesFactor prevalenceAMI patientsCardiac riskSpanish hospitalsProvider feedback
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
2012
30-Day Risk-Standardized Mortality and Readmission Rates After Ischemic Stroke in Critical Access Hospitals
Lichtman JH, Leifheit-Limson EC, Jones SB, Wang Y, Goldstein LB. 30-Day Risk-Standardized Mortality and Readmission Rates After Ischemic Stroke in Critical Access Hospitals. Stroke 2012, 43: 2741-2747. PMID: 22935397, PMCID: PMC3547601, DOI: 10.1161/strokeaha.112.665646.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesRisk-standardized readmission ratesAnnual hospital volumeIschemic strokeReadmission ratesHospital volumeVolume quartileHighest risk-standardized mortality ratesPoor short-term outcomeMedicare beneficiaries 65 yearsService Medicare beneficiaries 65 yearsHighest volume quartileHospital volume quartilesPrimary discharge diagnosisLow-volume hospitalsShort-term outcomesBeneficiaries 65 years
2010
The Role of Social Support in Health Status and Depressive Symptoms After Acute Myocardial Infarction
Leifheit-Limson EC, Reid KJ, Kasl SV, Lin H, Jones PG, Buchanan DM, Parashar S, Peterson PN, Spertus JA, Lichtman JH. The Role of Social Support in Health Status and Depressive Symptoms After Acute Myocardial Infarction. Circulation Cardiovascular Quality And Outcomes 2010, 3: 143-150. PMID: 20160162, PMCID: PMC3016989, DOI: 10.1161/circoutcomes.109.899815.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngina PectorisChi-Square DistributionDepressionEvidence-Based MedicineFemaleHealth StatusHealth Status IndicatorsHumansLinear ModelsMaleMiddle AgedMyocardial InfarctionPoisson DistributionProspective StudiesQuality of LifeRegistriesRisk AssessmentRisk FactorsSex FactorsSocial SupportTime FactorsUnited StatesWomen's HealthWomen's Health ServicesConceptsAcute myocardial infarctionLow social supportDisease-specific qualityDepressive symptomsMyocardial infarctionHealth statusPhysical functioningLower disease-specific qualitySocial supportBaseline health statusBaseline depressive symptomsWorse health statusRisk of anginaLower physical functioningMyocardial infarction recoverySex-stratified associationsLower mental functioningSex-stratified analysesMore depressive symptomsFirst yearClinical factorsProspective studyNonsignificant trendSymptomsInfarction