2023
Left ventricular lead implantation failure in an unselected nationwide cohort
Friedman D, Qin L, Freeman J, Singh J, Curtis J, Piccini J, Al-Khatib S, Jackson K. Left ventricular lead implantation failure in an unselected nationwide cohort. Heart Rhythm 2023, 20: 1420-1428. PMID: 37406870, DOI: 10.1016/j.hrthm.2023.06.023.Peer-Reviewed Original ResearchImplant failureIndependent predictorsSleep apneaBlack raceFemale sexQRS durationHispanic ethnicityNational Cardiovascular Data Registry ICD RegistryYounger ageLeft bundle branch blockCoronary sinus dissectionPredictors of LVUnselected nationwide cohortVentricular lead implantationCardiac resynchronization therapy (CRT) proceduresObstructive sleep apneaImplant failure rateSignificant independent predictorsBundle branch blockCoronary sinus accessCRT implantationDiaphragmatic stimulationNationwide cohortEjection fractionICD RegistryVariation 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
2022
Survival Probability and Survival Benefit Associated With Primary Prevention Implantable Cardioverter‐Defibrillator Generator Changes
Bilchick KC, Wang Y, Curtis JP, Shadman R, Dardas TF, Anand I, Lund LH, Dahlström U, Sartipy U, Levy WC. Survival Probability and Survival Benefit Associated With Primary Prevention Implantable Cardioverter‐Defibrillator Generator Changes. Journal Of The American Heart Association 2022, 11: e023743. PMID: 35766293, PMCID: PMC9333379, DOI: 10.1161/jaha.121.023743.Peer-Reviewed Original ResearchConceptsSeattle Heart Failure ModelHeart failure modelHeart failure patientsResynchronization therapyGenerator changeSurvival benefitWorse survivalFailure patientsNational Cardiovascular Data Registry ICD RegistryGC survivalSurvival Benefit AssociatedPrimary prevention indicationVentricular ejection fractionAnnual mortalityICD therapyConclusions PatientsPrevention indicationEjection fractionICD RegistryImproved survivalPrimary preventionPatient deathGreater effect sizeLVEFPatientsLongitudinal 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 defibrillatorTrends in Use of Single- vs Dual-Chamber Implantable Cardioverter-Defibrillators Among Patients Without a Pacing Indication, 2010-2018
Borne RT, Varosy P, Lan Z, Masoudi FA, Curtis JP, Matlock DD, Peterson PN. Trends in Use of Single- vs Dual-Chamber Implantable Cardioverter-Defibrillators Among Patients Without a Pacing Indication, 2010-2018. JAMA Network Open 2022, 5: e223429. PMID: 35315917, PMCID: PMC8941353, DOI: 10.1001/jamanetworkopen.2022.3429.Peer-Reviewed Original ResearchConceptsDual-chamber ICDFirst-time ICD implantationPacing indicationICD implantationMedian odds ratioPatient characteristicsOdds ratioAtrial leadNational Cardiovascular Data Registry ICD RegistryCardiac resynchronization therapy indicationDual-chamber ICD implantationMulticenter cross-sectional studyBradycardia pacing indicationSingle-chamber ICDHospital-level variationHigh procedural riskCross-sectional studyLow-value practicesImplantable cardioverter defibrillatorLow-value careCochran-Armitage trend testImplantable cardioverter-defibrillator systemsDual-chamber devicesCardioverter-defibrillator systemsReal-world practice
2021
Risk and predictors of mortality after implantable cardioverter-defibrillator implantation in patients with sarcoid cardiomyopathy
Higgins AY, Annapureddy AR, Wang Y, Minges KE, Bellumkonda L, Lampert R, Rosenfeld LE, Jacoby DL, Curtis JP, Miller EJ, Freeman JV. Risk and predictors of mortality after implantable cardioverter-defibrillator implantation in patients with sarcoid cardiomyopathy. American Heart Journal 2021, 246: 21-31. PMID: 34968442, DOI: 10.1016/j.ahj.2021.12.011.Peer-Reviewed Original ResearchConceptsNon-ischemic cardiomyopathyAtrial fibrillation/flutterChronic lung diseaseCardiac sarcoidosisHeart failureCS patientsNICM patientsICD implantationLung diseaseNew York Heart Association class III heart failureNational Cardiovascular Data Registry ICD RegistryNYHA class IV heart failureClass III heart failureClass IV heart failureImplantable cardioverter defibrillator implantationKaplan-Meier survival curvesCox proportional hazards modelPredictors of mortalityCardioverter-defibrillator implantationVentricular ejection fractionMultivariable logistic regressionPrior ventricular arrhythmiasProportional hazards modelRate of deathTime of implantationLongitudinal Outcomes Associated With Non-Evidence-Based Implantable Cardioverter-Defibrillators Among Medicare Beneficiaries (From the National Cardiovascular Data Registry)
Daimee UA, Aslam F, Parzynski CS, Desai NR, Curtis JP. Longitudinal Outcomes Associated With Non-Evidence-Based Implantable Cardioverter-Defibrillators Among Medicare Beneficiaries (From the National Cardiovascular Data Registry). The American Journal Of Cardiology 2021, 155: 64-71. PMID: 34315569, DOI: 10.1016/j.amjcard.2021.06.020.Peer-Reviewed Original ResearchConceptsPrimary prevention ICD implantationRisk of mortalityICD implantationHeart failureICD RegistryMortality riskNational Cardiovascular Data Registry ICD RegistryPivotal randomized clinical trialsHospital adverse eventsSevere heart failureRecent myocardial infarctionCause hospital readmissionRandomized clinical trialsSimilar mortality riskLongitudinal outcomesImplantable cardioverter defibrillatorGreater mortality riskCause hospitalizationCause mortalityCoronary revascularizationAdverse eventsHospital readmissionICD recipientsDevice implantationPrimary preventionDefibrillation Safety Margin Testing in Patients With Congenital Heart Disease Results From the NCDR
Prutkin JM, Wang Y, Escudero CA, Stephenson EA, Minges KE, Curtis JP, Hsu JC. Defibrillation Safety Margin Testing in Patients With Congenital Heart Disease Results From the NCDR. JACC Clinical Electrophysiology 2021, 7: 1145-1154. PMID: 33933411, DOI: 10.1016/j.jacep.2021.02.019.Peer-Reviewed Original ResearchConceptsCongenital heart diseaseLowest successful energyHospital stayNational Cardiovascular Data Registry ICD RegistryImplantable cardioverter-defibrillator insertionVentricular septal defectTetralogy of FallotHeart disease resultHospital complicationsHospital deathHospital outcomesMultivariable adjustmentEbstein's anomalyICD RegistryICD recipientsSeptal defectCommon ventricleHeart diseaseRetrospective analysisLower oddsGreat vesselsICD proceduresDisease resultsSuccessful energyICD generatorUse 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
2020
Association Between Industry Payments to Physicians and Device Selection in ICD Implantation
Annapureddy AR, Henien S, Wang Y, Minges KE, Ross JS, Spatz ES, Desai NR, Peterson PN, Masoudi FA, Curtis JP. Association Between Industry Payments to Physicians and Device Selection in ICD Implantation. JAMA 2020, 324: 1755-1764. PMID: 33141208, PMCID: PMC7610190, DOI: 10.1001/jama.2020.17436.Peer-Reviewed Original ResearchConceptsCRT-D implantationCRT-D devicesCross-sectional studyNational Cardiovascular Data Registry ICD RegistryFirst-time ICDFirst-time implantationProportion of patientsEntire study cohortDevice selectionProportion of devicesICD implantationICD RegistryPrimary outcomeCardiac resynchronizationStudy cohortPatient groupMAIN OUTCOMEPatientsPhysiciansICDAbsolute differenceImplantationManufacturer CHigher total paymentsAssociationMortality and readmission in non-ischemic compared with ischemic cardiomyopathies after implantable cardioverter-defibrillator implantation
Freeman J, Bjerre J, Parzynski C, Minges K, Ahmad T, Desai N, Enriquez A, Spatz E, Friedman D, Curtis J, Hlatky M, Higgins A. Mortality and readmission in non-ischemic compared with ischemic cardiomyopathies after implantable cardioverter-defibrillator implantation. European Heart Journal 2020, 41: ehaa946.0788. DOI: 10.1093/ehjci/ehaa946.0788.Peer-Reviewed Original ResearchNon-ischemic cardiomyopathyImplantable cardioverter defibrillator implantationPrimary prevention ICDsCardioverter-defibrillator implantationIschemic cardiomyopathyICM patientsNational Cardiovascular Data Registry ICD RegistryCox proportional hazards regression modelPrimary prevention ICD implantationLeft ventricular ejection fractionProportional hazards regression modelsOne-year mortalityHeart failure readmissionVentricular ejection fractionKaplan-Meier curvesHazards regression modelsRisk of mortalityMedian followCause readmissionICD implantationEjection fractionHeart failureHospital readmissionICD RegistryPatient subgroupsTrends in Use and In-Hospital Outcomes of Subcutaneous Implantable Cardioverter Defibrillators in Patients Undergoing Long-Term Dialysis
Pun PH, Parzynski CS, Friedman DJ, Sanders G, Curtis JP, Al-Khatib SM. Trends in Use and In-Hospital Outcomes of Subcutaneous Implantable Cardioverter Defibrillators in Patients Undergoing Long-Term Dialysis. Clinical Journal Of The American Society Of Nephrology 2020, 15: 1622-1630. PMID: 32967922, PMCID: PMC7646229, DOI: 10.2215/cjn.07920520.Peer-Reviewed Original ResearchConceptsHospital cardiac arrestSubcutaneous ICDTransvenous ICDICD implantsHospital outcomesICD recipientsICD RegistryCardiac arrestHigh riskNational Cardiovascular Data Registry ICD RegistryFirst-time ICD recipientsPropensity score-weighted analysisImplantable cardioverter defibrillator implantationSubcutaneous implantable cardioverter defibrillatorIn-Hospital OutcomesShort-term complicationsCardioverter-defibrillator implantationLong-term dialysisVascular access siteImplantable cardioverter defibrillatorCause deathHospital complicationsHospital stayDefibrillator implantationUS patientsComparison 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 subgroupsComparison of left ventricular lead upgrade vs continued medical care among patients eligible for cardiac resynchronization therapy at the time of defibrillator generator replacement: Predictors of left ventricular lead upgrade and associations with long-term outcomes
Hyman MC, Bao H, Curtis JP, Minges K, Schaller RD, Birgersdotter-Green U, Marchlinski FE, Hsu JC. Comparison of left ventricular lead upgrade vs continued medical care among patients eligible for cardiac resynchronization therapy at the time of defibrillator generator replacement: Predictors of left ventricular lead upgrade and associations with long-term outcomes. Heart Rhythm 2020, 17: 1878-1886. PMID: 32497762, DOI: 10.1016/j.hrthm.2020.05.032.Peer-Reviewed Original ResearchConceptsCardiac resynchronization therapyCRT-eligible patientsCRT upgradeResynchronization therapyClinical outcomesNational Cardiovascular Data Registry ICD RegistryGenerator replacementPeriprocedural complication rateLeft ventricular leadSubpopulation of patientsLong-term outcomesICD generator replacementHierarchical logistic regression modelsLogistic regression modelsSecondary endpointsCause mortalityPrimary endpointComplication rateICD RegistryProcedural complicationsMedical managementICD populationNational registryVentricular leadClaims dataPeriprocedural Risk and Survival Associated With Implantable Cardioverter-Defibrillator Placement in Older Patients With Advanced Heart Failure
Fudim M, Ali-Ahmed F, Parzynski CS, Ambrosy AP, Friedman DJ, Pokorney SD, Curtis JP, Fonarow GC, Masoudi FA, Hernandez AF, Al-Khatib SM. Periprocedural Risk and Survival Associated With Implantable Cardioverter-Defibrillator Placement in Older Patients With Advanced Heart Failure. JAMA Cardiology 2020, 5: 643-651. PMID: 32211811, PMCID: PMC7097837, DOI: 10.1001/jamacardio.2020.0391.Peer-Reviewed Original ResearchConceptsAdvanced heart failureAdvanced HF populationHeart transplant listingPeriprocedural complication rateHeart failureSudden cardiac deathComparator groupVentricular assist deviceInotrope useTransplant listingCardiac deathComplication rateHF populationPrimary preventionCardiac arrestNew York Heart Association class IV symptomsNational Cardiovascular Data Registry ICD RegistryAssist deviceLeft ventricular ejection fractionImplantable cardioverter-defibrillator placementAdvanced HF groupClass IV symptomsFirst-time ICDLeft ventricular assist deviceNYHA class IIPrevalence, predictors and complications with defibrillation threshold testing in pediatric patients: Results from the NCDR
Prutkin JM, Wang Y, Escudero CA, Stephenson EA, Minges KE, Curtis JP, Hsu JC. Prevalence, predictors and complications with defibrillation threshold testing in pediatric patients: Results from the NCDR. International Journal Of Cardiology 2020, 305: 44-49. PMID: 31980272, DOI: 10.1016/j.ijcard.2020.01.027.Peer-Reviewed Original ResearchConceptsInadequate defibrillation safety marginDefibrillation safety marginDFT testingDefibrillation threshold testingHospital complicationsPediatric patientsHospital stayICD recipientsNational Cardiovascular Data Registry ICD RegistryThreshold testingLowest successful energyProlonged hospital stayRisk of complicationsTransvenous ICD implantationHospital dischargeICD implantationMultivariable adjustmentICD RegistryPediatric populationRetrospective analysisLower oddsComplicationsPatientsTesting useLittle data
2019
Analysis of Temporal Trends and Variation in the Use of Defibrillation Testing in Contemporary Practice
Borne RT, Randolph T, Wang Y, Curtis JP, Peterson PN, Masoudi FA, Sandhu A, Zipse MM, Thomas K, Kutyifa V, Desai NR, Cha YM, Hsu JC, Russo AM. Analysis of Temporal Trends and Variation in the Use of Defibrillation Testing in Contemporary Practice. JAMA Network Open 2019, 2: e1913553. PMID: 31626314, PMCID: PMC6813586, DOI: 10.1001/jamanetworkopen.2019.13553.Peer-Reviewed Original ResearchConceptsNational Cardiovascular Data Registry ICD RegistryMedian odds ratioDefibrillation testingLow testing ratesTesting ratesHigher testing ratesICD RegistryFirst-time ICD implantationImplantable cardioverter defibrillator implantationMulticenter cross-sectional studyAdvanced heart failureCardioverter-defibrillator implantationIschemic heart diseaseCross-sectional studyICD implantationHeart failureICD placementVentricular arrhythmiasMean ageHeart diseaseVentricular tachycardiaOdds ratioHigher oddsMAIN OUTCOMEFirst calendar quarterAssociation of Physician Specialty With Long-Term Implantable Cardioverter-Defibrillator Complication and Reoperations Rates
Chui PW, Wang Y, Ranasinghe I, Mitiku TY, Seto AH, Rosman L, Lampert R, Minges KE, Enriquez AD, Curtis JP. Association of Physician Specialty With Long-Term Implantable Cardioverter-Defibrillator Complication and Reoperations Rates. Circulation Cardiovascular Quality And Outcomes 2019, 12: e005374. PMID: 31185734, PMCID: PMC7412734, DOI: 10.1161/circoutcomes.118.005374.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overClinical CompetenceDefibrillators, ImplantableElectric CountershockFee-for-Service PlansFemaleHumansIncidenceMaleMedicarePostoperative ComplicationsPractice Patterns, Physicians'RegistriesReoperationRisk AssessmentRisk FactorsSpecializationTime FactorsTreatment OutcomeUnited StatesConceptsLong-term device-related complicationsDevice-related complicationsICD implantationLong-term outcomesPhysician specialtyGeneral cardiologistsThoracic surgeonsHigh riskNational Cardiovascular Data Registry ICD RegistryLong-term adverse outcomesImplantable cardioverter defibrillator implantationPhysician specialty trainingCardioverter-defibrillator implantationCumulative incidence rateCase-mix adjusted ratesReoperation rateBackground PatientsConclusions PatientsICD RegistryPrimary outcomeAdverse outcomesIncidence rateInterventional cardiologistsAdjusted ratesReoperationAssociation of body mass index with cardiac resynchronization therapy intention and left ventricular lead implantation failure: insights from the NCDR implantable cardioverter-defibrillator registry
Nishimura M, Marcus GM, Varosy PD, Bao H, Wang Y, Curtis JP, Hsu JC. Association of body mass index with cardiac resynchronization therapy intention and left ventricular lead implantation failure: insights from the NCDR implantable cardioverter-defibrillator registry. Journal Of Interventional Cardiac Electrophysiology 2019, 57: 279-288. PMID: 31004224, DOI: 10.1007/s10840-019-00550-x.Peer-Reviewed Original ResearchConceptsBody mass indexLV lead placementLead placementImplantation failureMass indexExtreme obesityBody habitusHigher oddsNational Cardiovascular Data Registry ICD RegistryImplantable Cardioverter-Defibrillator RegistrySuccessful LV lead placementPatient body mass indexWorld Health Organization classificationBackgroundCardiac resynchronization therapyNormal weight patientsVentricular lead placementCRT-D therapyPatient body habitusHierarchical logistic regressionEligible patientsWeight patientsMultivariable adjustmentClinical characteristicsDefibrillator implantationBiventricular pacing
2018
Outcomes following implantable cardioverter-defibrillator generator replacement in patients with recovered left ventricular systolic function: The National Cardiovascular Data Registry
Thomas IC, Wang Y, See VY, Minges KE, Curtis JP, Hsu JC. Outcomes following implantable cardioverter-defibrillator generator replacement in patients with recovered left ventricular systolic function: The National Cardiovascular Data Registry. Heart Rhythm 2018, 16: 733-740. PMID: 30414460, DOI: 10.1016/j.hrthm.2018.11.005.Peer-Reviewed Original ResearchConceptsLV ejection fractionNational Cardiovascular Data Registry ICD RegistryReduced LV ejection fractionICD generator replacementLeft ventricular systolic functionVentricular systolic functionHF readmissionSystolic functionGenerator replacementAdverse outcomesImplantable Cardioverter-Defibrillator Generator ReplacementNational Cardiovascular Data RegistryLV systolic functionEjection fractionICD RegistryPeriprocedural eventsPrognostic associationAmerican CollegeHigh riskData registryLower riskMedicare beneficiariesPatientsReadmissionClinical encounters