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
2015
Better outcome of ablation for sustained outflow-tract ventricular tachycardia when tachycardia is inducible
Choi EK, Kumar S, Nagashima K, Lin KY, Barbhaiya CR, Chinitz JS, Enriquez AD, Helmbold AF, Baldinger SH, Tedrow UB, Koplan BA, Michaud GF, John RM, Epstein LM, Stevenson WG. Better outcome of ablation for sustained outflow-tract ventricular tachycardia when tachycardia is inducible. EP Europace 2015, 17: 1571-1579. PMID: 25840288, DOI: 10.1093/europace/euv064.Peer-Reviewed Original ResearchConceptsPremature ventricular contractionsOvert structural heart diseaseOutflow tract ventricular tachycardiaMultiple VT morphologiesInducible ventricular tachycardiaStructural heart diseaseSustained ventricular tachycardiaVentricular tachycardiaInducible groupHeart diseaseVT morphologiesBetter outcomesInducibility of VTSpontaneous sustained ventricular tachycardiaCatheter ablationOutflow tract regionAblation outcomesMM groupVentricular contractionsGreat vesselsPatientsSM groupTachycardiaPVC morphologyOutcomes“Needle-in-needle” epicardial access: Preliminary observations with a modified technique for facilitating epicardial interventional procedures
Kumar S, Bazaz R, Barbhaiya CR, Enriquez AD, Helmbold AF, Chinitz JS, Baldinger SH, Mahida S, McConville JW, Tedrow UB, John RM, Michaud GF, Stevenson WG. “Needle-in-needle” epicardial access: Preliminary observations with a modified technique for facilitating epicardial interventional procedures. Heart Rhythm 2015, 12: 1691-1697. PMID: 25828599, DOI: 10.1016/j.hrthm.2015.03.045.Peer-Reviewed Original Research
2014
Clinical Impact of Atrial Fibrillation in Patients With the HeartMate II Left Ventricular Assist Device
Enriquez AD, Calenda B, Gandhi PU, Nair AP, Anyanwu AC, Pinney SP. Clinical Impact of Atrial Fibrillation in Patients With the HeartMate II Left Ventricular Assist Device. Journal Of The American College Of Cardiology 2014, 64: 1883-1890. PMID: 25444141, DOI: 10.1016/j.jacc.2014.07.989.Peer-Reviewed Original ResearchConceptsParoxysmal atrial fibrillationAtrial fibrillationHF hospitalizationThromboembolic eventsVentricular assist deviceHeartMate IIHMII LVADAssist deviceImpact of AFCox proportional hazards regressionEffect of AFKaplan-Meier survival analysisHigh INR levelsHeart failure hospitalizationMajor bleeding eventsPersistent atrial fibrillationProportional hazards regressionBleeding eventsHMII implantationINR levelsFailure hospitalizationPatient yearsComposite endpointIndependent predictorsClinical outcomesAvoiding tachycardia alteration or termination during attempted entrainment mapping of atrial tachycardia related to atrial fibrillation ablation
Barbhaiya CR, Kumar S, Ng J, Nagashima K, Choi EK, Enriquez A, Chinitz J, Epstein LM, Tedrow UB, John RM, Stevenson WG, Michaud GF. Avoiding tachycardia alteration or termination during attempted entrainment mapping of atrial tachycardia related to atrial fibrillation ablation. Heart Rhythm 2014, 12: 32-35. PMID: 25194901, DOI: 10.1016/j.hrthm.2014.09.002.Peer-Reviewed Original ResearchCorrelates and Prognosis of Early Recurrence After Catheter Ablation for Ventricular Tachycardia due to Structural Heart Disease
Nagashima K, Choi EK, Tedrow UB, Koplan BA, Michaud GF, John RM, Epstein LM, Tokuda M, Inada K, Kumar S, Lin KY, Barbhaiya CR, Chinitz JS, Enriquez AD, Helmbold AF, Stevenson WG. Correlates and Prognosis of Early Recurrence After Catheter Ablation for Ventricular Tachycardia due to Structural Heart Disease. Circulation Arrhythmia And Electrophysiology 2014, 7: 883-888. PMID: 25136076, DOI: 10.1161/circep.114.001461.Peer-Reviewed Original ResearchMeSH KeywordsAgedAnti-Arrhythmia AgentsCatheter AblationChi-Square DistributionFemaleHeart DiseasesHumansKaplan-Meier EstimateLogistic ModelsMaleMiddle AgedMultivariate AnalysisOdds RatioProportional Hazards ModelsRecurrenceRetrospective StudiesRisk FactorsTachycardia, VentricularTime FactorsTreatment OutcomeConceptsStructural heart diseaseEarly VT recurrenceVentricular tachycardiaEarly recurrenceHeart diseaseVT recurrenceCatheter ablationNew York Heart Association classificationSustained monomorphic ventricular tachycardiaFirst radiofrequency ablationOptimal treatment strategyHigh-risk groupInduced ventricular tachycardiaMonomorphic ventricular tachycardiaVT stormClinical profileMultivariable analysisPrognostic significancePatient groupIndependent correlatesAssociation classificationRadiofrequency ablationRisk groupsTreatment strategiesAcute failure
2013
The Role of Implantable Cardioverter-Defibrillators in Patients With Continuous Flow Left Ventricular Assist Devices
Enriquez AD, Calenda B, Miller MA, Anyanwu AC, Pinney SP. The Role of Implantable Cardioverter-Defibrillators in Patients With Continuous Flow Left Ventricular Assist Devices. Circulation Arrhythmia And Electrophysiology 2013, 6: 668-674. PMID: 23873139, DOI: 10.1161/circep.113.000457.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedArrhythmias, CardiacChi-Square DistributionDefibrillators, ImplantableElectric CountershockFemaleHeart FailureHeart TransplantationHeart-Assist DevicesHumansKaplan-Meier EstimateLogistic ModelsMaleMiddle AgedMultivariate AnalysisNew York CityProportional Hazards ModelsProsthesis DesignRetrospective StudiesRisk FactorsTime FactorsTreatment OutcomeVentricular Function, LeftWaiting ListsYoung AdultConceptsVentricular arrhythmiasActive ICDPost-LVAD ventricular arrhythmiasVentricular assist device supportAssist device supportContinuous-flow LVADHeartMate II LVADEnd of studyImplantable cardioverter defibrillatorVentricular assist deviceAppropriate shocksConsecutive patientsImproved survivalIschemic cardiomyopathySingle centerWorse prognosisMedian lengthMean agePatient populationCardioverter defibrillatorPatientsDevice supportAssist deviceICDLVAD