2021
Relation of Cardiovascular Risk Factors to Mortality and Cardiovascular Events in Hospitalized Patients With Coronavirus Disease 2019 (from the Yale COVID-19 Cardiovascular Registry)
Pareek M, Singh A, Vadlamani L, Eder M, Pacor J, Park J, Ghazizadeh Z, Heard A, Cruz-Solbes AS, Nikooie R, Gier C, Ahmed ZV, Freeman JV, Meadows J, Smolderen KGE, Lampert R, Velazquez EJ, Ahmad T, Desai NR. Relation of Cardiovascular Risk Factors to Mortality and Cardiovascular Events in Hospitalized Patients With Coronavirus Disease 2019 (from the Yale COVID-19 Cardiovascular Registry). The American Journal Of Cardiology 2021, 146: 99-106. PMID: 33539857, PMCID: PMC7849530, DOI: 10.1016/j.amjcard.2021.01.029.Peer-Reviewed Original ResearchConceptsCardiovascular risk factorsCoronavirus disease 2019Risk factorsHigher troponin TCardiovascular diseaseCardiovascular eventsHospitalized patientsLaboratory findingsMental statusDisease 2019Multivariable binary logistic regression analysisTroponin TMajor adverse cardiovascular eventsPre-existing cardiovascular diseaseHigher C-reactive proteinCOVID-19 positive patientsPredictors of MACEPrevious ventricular arrhythmiaUse of P2YAdverse cardiovascular eventsProspective cohort studyTertiary care centerC-reactive proteinBinary logistic regression analysisPoor prognostic marker
2020
Comparison of Mortality and Readmission in Non-Ischemic Versus Ischemic Cardiomyopathy After Implantable Cardioverter-Defibrillator Implantation
Higgins AY, Bjerre J, Parzynski CS, Minges KE, Ahmad T, Desai NR, Enriquez A, Spatz ES, Friedman DJ, Curtis JP, Hlatky MA, Freeman JV. Comparison of Mortality and Readmission in Non-Ischemic Versus Ischemic Cardiomyopathy After Implantable Cardioverter-Defibrillator Implantation. The American Journal Of Cardiology 2020, 133: 116-125. PMID: 32862971, DOI: 10.1016/j.amjcard.2020.07.035.Peer-Reviewed Original ResearchConceptsNon-ischemic cardiomyopathyImplantable cardioverter defibrillator implantationCardioverter-defibrillator implantationICM patientsIschemic cardiomyopathyNational Cardiovascular Data Registry ICD RegistryCox proportional hazards regression modelPrimary prevention ICD implantationLeft ventricular ejection fractionProportional hazards regression modelsPrimary prevention ICDsRetrospective cohort studyVentricular ejection fractionKaplan-Meier curvesHazards regression modelsRisk of mortalityComparison of mortalityMedian followCohort studyICD implantationEjection fractionHeart failureHospital readmissionICD RegistryPatient subgroupsEffect of Temporary Interruption of Warfarin Due to an Intervention on Downstream Time in Therapeutic Range in Patients With Atrial Fibrillation (from ORBIT AF)
Madhavan M, Holmes DN, Piccini JP, Freeman JV, Fonarow GC, Hylek EM, Kowey PR, Mahaffey KW, Pieper K, Peterson ED, Chan PS, Allen LA, Singer DE, Naccarelli GV, Reiffel JA, Steinberg BA, Gersh BJ, Investigators O. Effect of Temporary Interruption of Warfarin Due to an Intervention on Downstream Time in Therapeutic Range in Patients With Atrial Fibrillation (from ORBIT AF). The American Journal Of Cardiology 2020, 132: 66-71. PMID: 32826041, DOI: 10.1016/j.amjcard.2020.07.006.Peer-Reviewed Original ResearchConceptsInternational normalized ratioFirst therapeutic international normalized ratioTherapeutic international normalized ratioTherapeutic rangeAtrial fibrillationMajor bleedingTemporary interruptionAF patientsSubtherapeutic international normalized ratioBetter Informed TreatmentLow therapeutic rangeProportional hazards modelOutcomes RegistryNormalized ratioHigh incidenceLower riskHazards modelPatientsInformed TreatmentWarfarinSubsequent outcomesMonthsAnticoagulationRank testWeeks
2017
Long-term morbidity and mortality after implantable cardioverter-defibrillator implantation with procedural complication: A report from the National Cardiovascular Data Registry
Kipp R, Hsu JC, Freeman J, Curtis J, Bao H, Hoffmayer KS. Long-term morbidity and mortality after implantable cardioverter-defibrillator implantation with procedural complication: A report from the National Cardiovascular Data Registry. Heart Rhythm 2017, 15: 847-854. PMID: 28987459, DOI: 10.1016/j.hrthm.2017.09.043.Peer-Reviewed Original ResearchConceptsCause mortalityMedicare beneficiariesICD implantationProcedural complicationsHospital characteristicsMultivariable Cox proportional hazards regression analysisNational Cardiovascular Data Registry ICD RegistryCox proportional hazards regression analysisFirst-time ICD recipientsImplantable cardioverter defibrillator implantationNational Cardiovascular Data RegistryProportional hazards regression analysisKaplan-Meier survival analysisLong-term morbidityPredictors of mortalityCardioverter-defibrillator implantationOccurrence of complicationsRetrospective registry studyAcute procedural complicationsHazards regression analysisLong-term outcomesRisk of mortalityMortality 3 yearsIndex hospitalizationRegistry study
2016
Cost-Effectiveness of Percutaneous Closure of the Left Atrial Appendage in Atrial Fibrillation Based on Results From PROTECT AF Versus PREVAIL
Freeman JV, Hutton DW, Barnes GD, Zhu RP, Owens DK, Garber AM, Go AS, Hlatky MA, Heidenreich PA, Wang PJ, Al-Ahmad A, Turakhia MP. Cost-Effectiveness of Percutaneous Closure of the Left Atrial Appendage in Atrial Fibrillation Based on Results From PROTECT AF Versus PREVAIL. Circulation Arrhythmia And Electrophysiology 2016, 9: e003407. PMID: 27307517, PMCID: PMC4911813, DOI: 10.1161/circep.115.003407.Peer-Reviewed Original ResearchConceptsLAA closureLeft atrial appendageQuality-adjusted life yearsPROTECT AFAtrial fibrillationPercutaneous closureWatchman deviceAtrial appendageLife yearsTrial dataWATCHMAN LAA closure devicePROTECT AF trialIncremental cost-effectiveness ratioMajor adverse eventsPrevention of strokeAtrial appendage closureProspective Randomized EvaluationLAA closure deviceLong-term trial resultsQuality-adjusted survivalCost-effectiveness ratioCost-effectiveness resultsMedical anticoagulationAF trialAdverse events
2012
Effectiveness of Implantable Cardioverter Defibrillators and Cardiac Resynchronization Therapy in Heart Failure
Freeman JV, Masoudi FA. Effectiveness of Implantable Cardioverter Defibrillators and Cardiac Resynchronization Therapy in Heart Failure. Heart Failure Clinics 2012, 9: 59-77. PMID: 23168318, DOI: 10.1016/j.hfc.2012.09.006.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedCardiac Resynchronization TherapyComparative Effectiveness ResearchDefibrillators, ImplantableDisease ManagementFemaleHeart FailureHumansMaleMeta-Analysis as TopicMiddle AgedObservationOutcome and Process Assessment, Health CarePatient SelectionPractice Guidelines as TopicRandomized Controlled Trials as TopicSecondary PreventionSeverity of Illness IndexSex FactorsSurvival RateConceptsCardiac resynchronization therapyTrial dataResynchronization therapyQRS morphologyNYHA class IV patientsCardiac devicesBenefit of ICDSingle-chamber ICDClass IV patientsHigh-volume hospitalsOptimal medical managementEffective treatment modalityPrior ventricular arrhythmiasProlonged QRS complexRecent trial dataRecent trial resultsImplantable cardioverter defibrillatorQuality of lifeHF hospitalizationSymptomatic HFHF symptomsICD therapySevere comorbiditiesIV patientsMortality benefit
2010
The Relation Between Hospital Procedure Volume and Complications of Cardioverter-Defibrillator Implantation From the Implantable Cardioverter-Defibrillator Registry
Freeman JV, Wang Y, Curtis JP, Heidenreich PA, Hlatky MA. The Relation Between Hospital Procedure Volume and Complications of Cardioverter-Defibrillator Implantation From the Implantable Cardioverter-Defibrillator Registry. Journal Of The American College Of Cardiology 2010, 56: 1133-1139. PMID: 20863954, DOI: 10.1016/j.jacc.2010.07.007.Peer-Reviewed Original ResearchConceptsAdverse eventsProcedure volumeImplantable Cardioverter-Defibrillator RegistryHospital adverse outcomesInitial ICD implantationCardioverter-defibrillator implantationHigh-volume hospitalsLow-volume hospitalsPatients' clinical characteristicsBetter clinical outcomesHospital procedure volumeVolume-outcome relationshipNCDR ICD RegistryClinical characteristicsICD implantationICD RegistryProcedural complicationsClinical outcomesAdverse outcomesHospital characteristicsBiventricular ICDsImplant volumeHospitalRepresentative populationICD