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 ResearchConceptsRecurrent 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
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 analysisPrevalence of Traditional Cardiac Risk Factors and Secondary Prevention Among Patients Hospitalized for Acute Myocardial Infarction (AMI): Variation by Age, Sex, and Race
Leifheit-Limson EC, Spertus JA, Reid KJ, Jones SB, Vaccarino V, Krumholz HM, Lichtman JH. Prevalence of Traditional Cardiac Risk Factors and Secondary Prevention Among Patients Hospitalized for Acute Myocardial Infarction (AMI): Variation by Age, Sex, and Race. Journal Of Women's Health 2013, 22: 659-666. PMID: 23841468, DOI: 10.1089/jwh.2012.3962.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAged, 80 and overBlack or African AmericanBody Mass IndexCounselingDiabetes Mellitus, Type 2FemaleHospitalizationHumansHypercholesterolemiaHypertensionLife StyleMaleMiddle AgedMyocardial InfarctionObesityPrevalenceProspective StudiesRisk FactorsSecondary PreventionSex FactorsSmokingSmoking CessationSocioeconomic FactorsWhite PeopleConceptsCardiac risk factorsAcute myocardial infarctionSecondary prevention effortsTraditional cardiac risk factorsLipid-lowering medicationsRisk factorsWhite patientsAMI patientsMyocardial infarctionPrevention effortsGreater risk factor burdenMultiple cardiac risk factorsRisk factor burdenYoung black patientsYoung white patientsSecondary prevention strategiesRisk factor prevalenceHigh-risk subgroupsMultiple risk factorsBlack womenAge-sex groupsOlder patientsSecondary preventionYounger patientsFactor prevalence
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 yearsChanges in social support within the early recovery period and outcomes after acute myocardial infarction
Leifheit-Limson EC, Reid KJ, Kasl SV, Lin H, Buchanan DM, Jones PG, Peterson PN, Parashar S, Spertus JA, Lichtman JH. Changes in social support within the early recovery period and outcomes after acute myocardial infarction. Journal Of Psychosomatic Research 2012, 73: 35-41. PMID: 22691557, PMCID: PMC3374926, DOI: 10.1016/j.jpsychores.2012.04.006.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionDisease-specific qualityDepressive symptomsMyocardial infarctionEarly recoveryGeneral mental functioningLower disease-specific qualitySocial supportRisk-adjusted analysisBaseline depressive symptomsEarly recovery periodMore depressive symptomsRepeated-measures regressionFirst yearMental functioningBaseline outcome levelsClinical factorsAMI patientsPoor outcomeProspective studyBetter outcomesHealth statusPatientsSociodemographic characteristicsGreater risk
2011
Adherence to Risk Factor Management Instructions after Acute Myocardial Infarction: The Role of Emotional Support and Depressive Symptoms
Leifheit-Limson EC, Kasl SV, Lin H, Buchanan DM, Peterson PN, Spertus JA, Lichtman JH. Adherence to Risk Factor Management Instructions after Acute Myocardial Infarction: The Role of Emotional Support and Depressive Symptoms. Annals Of Behavioral Medicine 2011, 43: 198-207. PMID: 22037964, PMCID: PMC3374717, DOI: 10.1007/s12160-011-9311-z.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionPoor adherenceMyocardial infarctionManagement adherenceDepressive symptomsNon-depressed patientsEmotional supportLow emotional supportClinical factorsAMI patientsStratified analysisMixed-effects regressionBaseline supportPatientsGreater riskLongitudinal associationsAdherenceSignificant predictorsInfarctionSymptomsFirst yearFurther investigationAssociationDepressionSignificant relationship
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