2023
Variation in hospital use of cardiac resynchronization therapy-defibrillator among eligible patients and association with clinical outcomes
Chui P, Lan Z, Freeman J, Enriquez A, Khera R, Akar J, Masoudi F, Ong E, Curtis J. Variation in hospital use of cardiac resynchronization therapy-defibrillator among eligible patients and association with clinical outcomes. Heart Rhythm 2023, 20: 1000-1008. PMID: 36963741, DOI: 10.1016/j.hrthm.2023.03.022.Peer-Reviewed Original ResearchConceptsEligible patientsICD RegistryCardiac resynchronizationNational Cardiovascular Data Registry ICD RegistryCRT-D implantationCRT-D useHospital-level outcomesStrong guideline recommendationsHospital-level variationPatient-level outcomesIntraclass correlation coefficientQuality improvement effortsHospital mortalityGuideline indicationsReadmission ratesSelect patientsClinical outcomesGuideline recommendationsHospital variationHospital ratesUse of CRTHospital levelHospital usePatientsCase mix
2021
Use and Outcomes of Dual Chamber or Cardiac Resynchronization Therapy Defibrillators Among Older Patients Requiring Ventricular Pacing in the National Cardiovascular Data Registry Implantable Cardioverter Defibrillator Registry
Borne RT, Masoudi FA, Curtis JP, Zipse MM, Sandhu A, Hsu JC, Peterson PN. Use and Outcomes of Dual Chamber or Cardiac Resynchronization Therapy Defibrillators Among Older Patients Requiring Ventricular Pacing in the National Cardiovascular Data Registry Implantable Cardioverter Defibrillator Registry. JAMA Network Open 2021, 4: e2035470. PMID: 33496796, PMCID: PMC7838925, DOI: 10.1001/jamanetworkopen.2020.35470.Peer-Reviewed Original ResearchConceptsCardiac resynchronization therapyHeart failure hospitalizationClass I indicationsUse of CRTFailure hospitalizationMedian odds ratioCohort studyOlder patientsVentricular pacingImplant ratesNational Cardiovascular Data Registry Implantable Cardioverter Defibrillator RegistryNational Cardiovascular Data Registry ICD RegistryReduced left ventricular ejection fractionMultivariable Cox proportional hazards modelsFrequent right ventricular pacingImplantable Cardioverter-Defibrillator RegistryPrior heart failure hospitalizationLeft ventricular ejection fractionImplantable cardioverter defibrillator implantationThird-degree atrioventricular blockCardiac resynchronization therapy defibrillatorCox proportional hazards modelBradycardia pacing indicationFirst-time implantationFrequent RV pacing
2017
Use of Cardiac Resynchronization Therapy Among Eligible Patients Receiving an Implantable Cardioverter Defibrillator: Insights From the National Cardiovascular Data Registry Implantable Cardioverter Defibrillator Registry
Marzec LN, Peterson PN, Bao H, Curtis JP, Masoudi FA, Varosy PD, Bradley SM. Use of Cardiac Resynchronization Therapy Among Eligible Patients Receiving an Implantable Cardioverter Defibrillator: Insights From the National Cardiovascular Data Registry Implantable Cardioverter Defibrillator Registry. JAMA Cardiology 2017, 2: 561-565. PMID: 28122073, PMCID: PMC5814986, DOI: 10.1001/jamacardio.2016.5388.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAtrial FibrillationBlack or African AmericanBundle-Branch BlockCardiac Resynchronization TherapyCardiac Resynchronization Therapy DevicesCerebrovascular DisordersCohort StudiesComorbidityDefibrillators, ImplantableDiabetes MellitusEthnicityFemaleHealth Facility SizeHeart FailureHospitalsHospitals, TeachingHumansHypertensionInsurance, HealthLung DiseasesMaleMedicaidMedicareMiddle AgedMortalityMyocardial IschemiaPractice Patterns, Physicians'RegistriesRegression AnalysisRetrospective StudiesUnited StatesWhite PeopleConceptsUse of CRTCardiac resynchronization therapyCRT-D useImplantable cardioverter defibrillatorGuideline-eligible patientsDevice implantationEligible patientsResynchronization therapyCardioverter defibrillatorNational Cardiovascular Data Registry Implantable Cardioverter Defibrillator RegistryNational Cardiovascular Data Registry ICD RegistryHeart failure-related eventsImplantable Cardioverter-Defibrillator RegistryCRT-D groupMulticenter retrospective cohortRisk-standardized ratesHospital-level variationCRT-D devicesHierarchical multivariable modelNonprivate insuranceRetrospective cohortSelect patientsICD RegistryGuideline recommendationsICD placement
2015
Comparative Effectiveness of CRT-D Versus Defibrillator Alone in HF Patients With Moderate-to-Severe Chronic Kidney Disease
Friedman DJ, Singh JP, Curtis JP, Tang WHW, Bao H, Spatz ES, Hernandez AF, Patel UD, Al-Khatib SM. Comparative Effectiveness of CRT-D Versus Defibrillator Alone in HF Patients With Moderate-to-Severe Chronic Kidney Disease. Journal Of The American College Of Cardiology 2015, 66: 2618-2629. PMID: 26670062, DOI: 10.1016/j.jacc.2015.09.097.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCardiac Resynchronization TherapyComorbidityComparative Effectiveness ResearchDefibrillators, ImplantableElectric CountershockFemaleGlomerular Filtration RateHeart FailureHospitalizationHumansMaleMedicareProportional Hazards ModelsRenal Insufficiency, ChronicSeverity of Illness IndexSurvival AnalysisTreatment OutcomeUnited StatesConceptsSevere chronic kidney diseaseChronic kidney diseaseCardiac resynchronization therapyCRT-eligible patientsHF hospitalizationKidney diseaseNational Cardiovascular Data Registry ICD RegistryUse of CRTComparative effectivenessInverse probability-weighted analysisReal-world comparative effectivenessEnd-stage renal diseaseCox proportional hazards modelCRT-D useHeart failure hospitalizationAcceptable complication rateDevice-related complicationsProportional hazards modelFine-Gray modelCKD classCKD stageFailure hospitalizationHF patientsPrimary endpointSecondary endpoints
2008
Ethnic and racial disparities in cardiac resynchronization therapy
Farmer SA, Kirkpatrick JN, Heidenreich PA, Curtis JP, Wang Y, Groeneveld PW. Ethnic and racial disparities in cardiac resynchronization therapy. Heart Rhythm 2008, 6: 325-331. PMID: 19251206, DOI: 10.1016/j.hrthm.2008.12.018.Peer-Reviewed Original ResearchConceptsCardiac resynchronization therapyHispanic patientsResynchronization therapyWhite patientsNational Cardiovascular Data Registry ICD RegistryMultivariate logistic regression modelAdvanced heart failureTreatment of patientsEthnic differencesLogistic regression modelsICD RegistryHeart failureRegistry participantsGuideline useInclusion criteriaUse of CRTEligibility criteriaPatientsMultivariate analysisRacial disparitiesTherapyOutcome variablesSubstantial proportionRacial differencesRegression models