2022
Longitudinal Outcomes of Subcutaneous or Transvenous Implantable Cardioverter-Defibrillators in Older Patients
Friedman DJ, Qin L, Parzynski C, Heist EK, Russo AM, Ranasinghe I, Zeitler EP, Minges KE, Akar JG, Freeman JV, Curtis JP, Al-Khatib SM. Longitudinal Outcomes of Subcutaneous or Transvenous Implantable Cardioverter-Defibrillators in Older Patients. Journal Of The American College Of Cardiology 2022, 79: 1050-1059. PMID: 35300816, DOI: 10.1016/j.jacc.2021.12.033.Peer-Reviewed Original ResearchConceptsOlder patientsCause readmissionS-ICDNational Cardiovascular Data Registry ICD RegistryDevice removalTransvenous implantable cardioverter defibrillatorTV-ICD patientsRisk of deathS-ICD patientsService Medicare beneficiariesAnderson-Gill modelsImplantable cardioverter defibrillatorRepresentative national cohortCompeting-risks modelTV-ICDCardiovascular readmissionCause mortalityICD implantationYounger patientsICD RegistryNonfatal outcomesTransvenous ICDAtrial fibrillationNational cohortCardioverter defibrillator
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
QRS Duration, Bundle-Branch Block Morphology, and Outcomes Among Older Patients With Heart Failure Receiving Cardiac Resynchronization Therapy
Peterson PN, Greiner MA, Qualls LG, Al-Khatib SM, Curtis JP, Fonarow GC, Hammill SC, Heidenreich PA, Hammill BG, Piccini JP, Hernandez AF, Curtis LH, Masoudi FA. QRS Duration, Bundle-Branch Block Morphology, and Outcomes Among Older Patients With Heart Failure Receiving Cardiac Resynchronization Therapy. JAMA 2013, 310: 617-626. PMID: 23942680, DOI: 10.1001/jama.2013.8641.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overBundle-Branch BlockCardiac Resynchronization TherapyCardiac Resynchronization Therapy DevicesCardiovascular DiseasesCohort StudiesElectrocardiographyFee-for-Service PlansFemaleHeart FailureHumansMaleMedicarePatient ReadmissionRetrospective StudiesRiskTreatment OutcomeUnited StatesConceptsLeft bundle branch blockCRT-D implantationCardiac resynchronization therapyHeart failure readmissionQRS durationCause mortalityICD RegistryResynchronization therapyUnadjusted ratesMedicare beneficiariesNational Cardiovascular Data Registry ICD RegistryClinical practiceBundle branch block morphologyCause readmission rateRetrospective cohort studyLonger QRS durationBundle branch blockService Medicare beneficiariesCause readmissionCohort studyCRT-defibrillatorOlder patientsReadmission ratesHeart failureClinical trials
2011
Operator Experience and Carotid Stenting Outcomes in Medicare Beneficiaries
Nallamothu BK, Gurm HS, Ting HH, Goodney PP, Rogers MA, Curtis JP, Dimick JB, Bates ER, Krumholz HM, Birkmeyer JD. Operator Experience and Carotid Stenting Outcomes in Medicare Beneficiaries. JAMA 2011, 306: 1338-1343. PMID: 21954477, PMCID: PMC3208144, DOI: 10.1001/jama.2011.1357.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overAtherosclerosisCarotid StenosisCenters for Medicare and Medicaid Services, U.S.Clinical CompetenceFee-for-Service PlansFemaleHospital MortalityHumansInsurance CoverageMaleMedicarePhysiciansQuality of Health CareRetrospective StudiesStentsStrokeTime FactorsTreatment OutcomeUnited StatesConceptsAnnual operator volumeCarotid stentingOperator volumeMedicare beneficiariesNational coverage decisionHigh riskOperator experienceStudy periodThirty-day mortalityEmbolic protection devicesHigh-volume operatorsLow-volume operatorsService Medicare beneficiariesLow annual volumeMultivariable adjustmentOlder patientsRate of failureClinical trialsCoverage decisionsObservational studyMAIN OUTCOMEPatientsClinical practiceStentingMore procedures