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 ResearchMeSH KeywordsAgedArrhythmias, CardiacDeath, Sudden, CardiacDefibrillators, ImplantableFemaleHumansMaleMedicareRetrospective StudiesTreatment OutcomeUnited StatesConceptsOlder 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
2020
Utilization Effects of the Affordable Care Act on Implantable Cardioverter-Defibrillator Therapy
Madias C, Parzynski CS, Burrows A, Minges KE, Curtis JP, Doukky R. Utilization Effects of the Affordable Care Act on Implantable Cardioverter-Defibrillator Therapy. Journal Of The American College Of Cardiology 2020, 75: 1714-1717. PMID: 32273036, DOI: 10.1016/j.jacc.2020.02.023.Peer-Reviewed Original Research
2019
Outcomes and costs of remote patient monitoring among patients with implanted cardiac defibrillators: An economic model based on the PREDICT RM database
Hummel JP, Leipold RJ, Amorosi SL, Bao H, Deger KA, Jones PW, Kansal AR, Ott LS, Stern S, Stein K, Curtis JP, Akar JG. Outcomes and costs of remote patient monitoring among patients with implanted cardiac defibrillators: An economic model based on the PREDICT RM database. Journal Of Cardiovascular Electrophysiology 2019, 30: 1066-1077. PMID: 30938894, PMCID: PMC6850124, DOI: 10.1111/jce.13934.Peer-Reviewed Original ResearchAgedAged, 80 and overArrhythmias, CardiacCost-Benefit AnalysisDatabases, FactualDeath, Sudden, CardiacDefibrillators, ImplantableElectric CountershockFemaleHealth Care CostsHumansMaleMedicareModels, EconomicPatient ReadmissionPredictive Value of TestsQuality-Adjusted Life YearsRegistriesRemote Sensing TechnologyTelemetryTime FactorsTreatment OutcomeUnited States
2017
Temporal Trends in and Factors Associated With Use of Single- Versus Dual-Coil Implantable Cardioverter-Defibrillator Leads Data From the NCDR ICD Registry
Pokorney SD, Parzynski CS, Daubert JP, Hegland DD, Varosy PD, Curtis JP, Al-Khatib SM. Temporal Trends in and Factors Associated With Use of Single- Versus Dual-Coil Implantable Cardioverter-Defibrillator Leads Data From the NCDR ICD Registry. JACC Clinical Electrophysiology 2017, 3: 612-619. PMID: 29759435, DOI: 10.1016/j.jacep.2016.11.014.Peer-Reviewed Original ResearchMeSH KeywordsArrhythmias, CardiacDefibrillators, ImplantableFemaleHospitalsHumansMaleMiddle AgedPractice Patterns, Physicians'RegistriesUnited StatesConceptsDual-coil ICD leadsICD RegistryNational Cardiovascular Data Registry ICD RegistryICD leadHospital-level factorsDual-coil leadsNCDR ICD RegistrySingle-coil leadsDual-coil ICDHigh-use groupPatient characteristicsPatient factorsPatient groupPatient outcomesImplantable cardioverterMore ICDsLower mortalityPre-specified groupsHospitalICDStatistical differenceUse of SingleTemporal trendsSignificant differencesRegistry
2014
In-Hospital Complications Associated With Reoperations of Implantable Cardioverter Defibrillators
Steckman DA, Varosy PD, Parzynski CS, Masoudi FA, Curtis JP, Sauer WH, Nguyen DT. In-Hospital Complications Associated With Reoperations of Implantable Cardioverter Defibrillators. The American Journal Of Cardiology 2014, 114: 419-426. PMID: 24927972, DOI: 10.1016/j.amjcard.2014.05.010.Peer-Reviewed Original ResearchConceptsHospital complicationsComplication rateRepeat proceduresLead extractionICD proceduresMultivariable adjusted odds ratiosNational Cardiovascular Data RegistryInitial implantImplantable cardioverter-defibrillator (ICD) proceduresHierarchical multivariable logistic regressionHospital adverse eventsAdjusted odds ratioHigh complication rateMultivariable logistic regressionLarge national cohortImplantable cardioverter defibrillatorHospital deathAdverse eventsICD implantationPatient characteristicsNational cohortOdds ratioProcedural outcomesCardioverter defibrillatorHigh risk
2013
Prevalence, Correlates, and Temporal Trends in Antiarrhythmic Drug Use at Discharge After Implantable Cardioverter Defibrillator Placement (from the National Cardiovascular Data Registry [NCDR])
Dev S, Peterson PN, Wang Y, Curtis JP, Varosy PD, Masoudi FA. Prevalence, Correlates, and Temporal Trends in Antiarrhythmic Drug Use at Discharge After Implantable Cardioverter Defibrillator Placement (from the National Cardiovascular Data Registry [NCDR]). The American Journal Of Cardiology 2013, 113: 314-320. PMID: 24216126, DOI: 10.1016/j.amjcard.2013.09.023.Peer-Reviewed Original ResearchConceptsImplantable cardioverter defibrillatorAntiarrhythmic drug useAntiarrhythmic drugsMedian odds ratioHospital dischargeOdds ratioSecondary prevention implantable cardioverter defibrillatorDrug useClass III antiarrhythmic drugsImplantable cardioverter-defibrillator placementMultivariate logistic regression modelHospital-level variationClass III agentsLocal treatment patternsLogistic regression modelsFacility-level variablesAntiarrhythmic useICD implantationICD recipientsICD RegistryHospital variationICD placementTreatment patternsDevice shocksAntiarrhythmic agentsPatient, Physician, and Procedural Factors Influencing the Use of Defibrillation Testing during Initial Implantable Cardioverter Defibrillator Insertion: Findings from the NCDR®
RUSSO AM, WANG Y, AL‐KHATIB S, CURTIS JP, LAMPERT R. Patient, Physician, and Procedural Factors Influencing the Use of Defibrillation Testing during Initial Implantable Cardioverter Defibrillator Insertion: Findings from the NCDR®. Pacing And Clinical Electrophysiology 2013, 36: 1522-1531. PMID: 23981009, DOI: 10.1111/pace.12248.Peer-Reviewed Original ResearchConceptsHospital adverse eventsDFT testingAdverse eventsImplantable cardioverter-defibrillator insertionLeft ventricular ejection fractionCardiac resynchronization therapy devicesPrimary prevention indicationVentricular ejection fractionResynchronization therapy devicesProspective randomized dataImplantable cardioverter defibrillator (ICD) technologyDefibrillation threshold testingPatterns of practiceMore comorbiditiesPrevention indicationDefibrillator insertionEjection fractionHeart failureAtrial arrhythmiasDefibrillation testingIndependent associationProcedural characteristicsTeaching hospitalDefibrillator technologyImplant procedureSafety of Pacemaker Implantation in Nonagenarians
Mandawat A, Curtis JP, Mandawat A, Njike VY, Lampert R. Safety of Pacemaker Implantation in Nonagenarians. Circulation 2013, 127: 1453-1465. PMID: 23513066, DOI: 10.1161/circulationaha.113.001434.Peer-Reviewed Original ResearchMeSH KeywordsAge DistributionAgedAged, 80 and overArrhythmias, CardiacComorbidityCross-Sectional StudiesFemaleHealth Care CostsHospital MortalityHumansLength of StayLinear ModelsLogistic ModelsMaleMultivariate AnalysisOutcome and Process Assessment, Health CarePacemaker, ArtificialPredictive Value of TestsUnited StatesConceptsLength of stayYears of ageSevere comorbiditiesPacemaker implantationUtilization Project Nationwide Inpatient SampleInitial pacemaker implantationCase-mix variationMantel-Haenszel testStepwise linear regression modelHospital mortalityUnadjusted mortalityComplication rateMultivariable analysisUnadjusted outcomesInpatient SampleHealthcare costsPatientsComorbiditiesHierarchical logistic modelsStayNonagenariansMortalityAgeOutcomesComplicationsThe National ICD Registry Report: Version 2.1 including leads and pediatrics for years 2010 and 2011
Kremers MS, Hammill SC, Berul CI, Koutras C, Curtis JS, Wang Y, Beachy J, Meisnere L, Del M. Conyers, Reynolds MR, Heidenreich PA, Al-Khatib SM, Pina IL, Blake K, Walsh M, Wilkoff BL, Shalaby A, Masoudi FA, Rumsfeld J. The National ICD Registry Report: Version 2.1 including leads and pediatrics for years 2010 and 2011. Heart Rhythm 2013, 10: e59-e65. PMID: 23403056, DOI: 10.1016/j.hrthm.2013.01.035.Peer-Reviewed Original ResearchAdolescentAgedArrhythmias, CardiacChildChild, PreschoolDefibrillators, ImplantableElectrodes, ImplantedEquipment FailureEquipment SafetyFemaleFollow-Up StudiesHumansMaleMiddle AgedMonitoring, PhysiologicRegistriesRetrospective StudiesRisk AssessmentSurvival RateTime FactorsTreatment OutcomeUnited States
2011
Age Differences in Primary Prevention Implantable Cardioverter‐Defibrillator Use in U.S. Individuals
Tsai V, Goldstein MK, Hsia HH, Wang Y, Curtis J, Heidenreich PA, Registry O. Age Differences in Primary Prevention Implantable Cardioverter‐Defibrillator Use in U.S. Individuals. Journal Of The American Geriatrics Society 2011, 59: 1589-1595. PMID: 21883101, DOI: 10.1111/j.1532-5415.2011.03542.x.Peer-Reviewed Original ResearchConceptsICD RegistryICD useNonarrhythmic deathHigh riskImplantable cardioverter-defibrillator (ICD) useHigh comorbid burdenPrior myocardial infarctionRisk of deathHigh-risk individualsRisk stratification systemOlder U.S. adultsYounger age groupsComorbid burdenICD implantationEjection fractionICD recipientsPrimary preventionRetrospective studyMyocardial infarctionMortality riskLower riskAge groupsU.S. adultsYounger groupOlder adults
2010
Acute Lead Dislodgements and In-Hospital Mortality in Patients Enrolled in the National Cardiovascular Data Registry Implantable Cardioverter Defibrillator Registry
Cheng A, Wang Y, Curtis JP, Varosy PD. Acute Lead Dislodgements and In-Hospital Mortality in Patients Enrolled in the National Cardiovascular Data Registry Implantable Cardioverter Defibrillator Registry. Journal Of The American College Of Cardiology 2010, 56: 1651-1656. PMID: 21050975, DOI: 10.1016/j.jacc.2010.06.037.Peer-Reviewed Original ResearchConceptsNational Cardiovascular Data Registry Implantable Cardioverter Defibrillator RegistryImplantable Cardioverter-Defibrillator RegistryLead dislodgementAcute dislodgementHospital deathAdverse eventsNew York Heart Association functional class IV heart failureAtrial fibrillation/flutterCardiac resynchronization therapy-defibrillator deviceClass IV heart failureCommon adverse eventsIn-Hospital MortalityLow ejection fractionChronic lung diseaseMore comorbiditiesCardiac tamponadeMultivariate adjustmentEjection fractionHeart failureNonischemic cardiomyopathyAtrial fibrillationCerebrovascular diseaseCardiac arrestLung diseasePotential confoundersReview of the Registry's Fourth Year, Incorporating Lead Data and Pediatric ICD Procedures, and Use as a National Performance Measure
Hammill SC, Kremers MS, Stevenson LW, Heidenreich PA, Lang CM, Curtis JP, Wang Y, Berul CI, Kadish AH, Al-Khatib SM, Pina IL, Walsh MN, Mirro MJ, Lindsay BD, Reynolds MR, Pontzer K, Blum L, Masoudi F, Rumsfeld J, Brindis RG. Review of the Registry's Fourth Year, Incorporating Lead Data and Pediatric ICD Procedures, and Use as a National Performance Measure. Heart Rhythm 2010, 7: 1340-1345. PMID: 20647056, DOI: 10.1016/j.hrthm.2010.07.015.Peer-Reviewed Original Research
2009
Review of the ICD Registry's Third Year, Expansion to include Lead Data and Pediatric ICD Procedures, and Role for Measuring Performance
Hammill SC, Kremers MS, Kadish AH, Stevenson LW, Heidenreich PA, Lindsay BD, Mirro MJ, Radford MJ, McKay C, Wang Y, Lang CM, Pontzer K, Rumsfeld J, Phurrough SE, Curtis JP, Brindis RG. Review of the ICD Registry's Third Year, Expansion to include Lead Data and Pediatric ICD Procedures, and Role for Measuring Performance. Heart Rhythm 2009, 6: 1397-1401. PMID: 19716099, DOI: 10.1016/j.hrthm.2009.07.015.Peer-Reviewed Original Research
2008
Publicly Reporting Implantable Cardioverter Defibrillator Outcomes
Hammill SC, Curtis J. Publicly Reporting Implantable Cardioverter Defibrillator Outcomes. Circulation Arrhythmia And Electrophysiology 2008, 1: 235-237. PMID: 19808414, DOI: 10.1161/circep.108.819300.Commentaries, Editorials and Letters
2007
Impact of Delay in Door-to-Needle Time on Mortality in Patients With ST-Segment Elevation Myocardial Infarction
McNamara RL, Herrin J, Wang Y, Curtis JP, Bradley EH, Magid DJ, Rathore SS, Nallamothu BK, Peterson ED, Blaney ME, Frederick P, Krumholz HM. Impact of Delay in Door-to-Needle Time on Mortality in Patients With ST-Segment Elevation Myocardial Infarction. The American Journal Of Cardiology 2007, 100: 1227-1232. PMID: 17920362, PMCID: PMC2715362, DOI: 10.1016/j.amjcard.2007.05.043.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overArrhythmias, CardiacCaliforniaCohort StudiesEmergency Service, HospitalEmergency TreatmentFemaleFibrinolytic AgentsHospital MortalityHumansMaleMedical RecordsMyocardial InfarctionOutcome Assessment, Health CareRegistriesRetrospective StudiesThrombolytic TherapyTime and Motion StudiesTime FactorsConceptsST-segment elevation myocardial infarctionElevation myocardial infarctionNeedle timeFibrinolytic therapyMyocardial infarctionHospital mortalitySymptom onsetOdds ratioReperfusion strategyAdjunctive medicationsHospital arrivalShorter doorTimely administrationNational registryRepresentative cohortPatientsMortalityInfarctionTherapyIndependent effectsCohortMinutesSmaller centersOnsetImpact of delayPreventing tomorrow's sudden cardiac death today Part I: Current data on risk stratification for sudden cardiac death
Al-Khatib SM, Sanders GD, Bigger JT, Buxton AE, Califf RM, Carlson M, Curtis A, Curtis J, Fain E, Gersh BJ, Gold MR, Haghighi-Mood A, Hammill SC, Healey J, Hlatky M, Hohnloser S, Kim RJ, Lee K, Mark D, Mianulli M, Mitchell B, Prystowsky EN, Smith J, Steinhaus D, Zareba W, conference F. Preventing tomorrow's sudden cardiac death today Part I: Current data on risk stratification for sudden cardiac death. American Heart Journal 2007, 153: 941-950. PMID: 17540194, DOI: 10.1016/j.ahj.2007.03.003.Peer-Reviewed Original ResearchConceptsSudden cardiac deathRisk stratificationCardiac deathHeart diseasePrevention of SCDLeft ventricular ejection fractionDuke Clinical Research InstituteOvert heart diseaseVentricular ejection fractionStructural heart diseaseHeart Rhythm SocietyClinical Research InstituteImplantable cardioverter defibrillatorCurrent dataEjection fractionSuch patientsSCD eventsCardioverter defibrillatorUS FoodDrug AdministrationPredictive valuePatientsDuke CenterClinical cardiologyEffective prevention