2019
Acute Kidney Injury Among Older Patients Undergoing Coronary Angiography for Acute Myocardial Infarction: The SILVER-AMI Study
Dodson JA, Hajduk A, Curtis J, Geda M, Krumholz HM, Song X, Tsang S, Blaum C, Miller P, Parikh CR, Chaudhry SI. Acute Kidney Injury Among Older Patients Undergoing Coronary Angiography for Acute Myocardial Infarction: The SILVER-AMI Study. The American Journal Of Medicine 2019, 132: e817-e826. PMID: 31170374, PMCID: PMC6891160, DOI: 10.1016/j.amjmed.2019.05.022.Peer-Reviewed Original ResearchMeSH KeywordsActivities of Daily LivingAcute Kidney InjuryAge FactorsAgedAged, 80 and overCohort StudiesCoronary AngiographyDatabases, FactualFemaleGeriatric AssessmentHospital MortalityHospitalizationHumansKaplan-Meier EstimateLogistic ModelsMaleMyocardial InfarctionOdds RatioPrognosisProportional Hazards ModelsRisk AssessmentSeverity of Illness IndexSurvival AnalysisConceptsAcute kidney injuryAcute myocardial infarctionAge-related conditionsKidney injuryBody mass indexCoronary angiographyRisk factorsMyocardial infarctionOlder patientsMean ageAcute kidney injury risk factorsAcute Myocardial Infarction StudyAcute myocardial infarction cohortOlder adultsGlobal Outcomes criteriaMyocardial Infarction StudyInjury risk factorsParticipants' mean ageSILVER-AMI StudyMultivariable adjustmentComorbid diseasesHeart failureIndependent predictorsGeriatric conditionsMass index
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 endpointsUse of Remote Monitoring Is Associated With Lower Risk of Adverse Outcomes Among Patients With Implanted Cardiac Defibrillators
Akar JG, Bao H, Jones PW, Wang Y, Varosy PD, Masoudi FA, Stein KM, Saxon LA, Normand SL, Curtis JP. Use of Remote Monitoring Is Associated With Lower Risk of Adverse Outcomes Among Patients With Implanted Cardiac Defibrillators. Circulation Arrhythmia And Electrophysiology 2015, 8: 1173-1180. PMID: 26092577, DOI: 10.1161/circep.114.003030.Peer-Reviewed Original ResearchConceptsImplantable cardioverter defibrillatorInitial implantable cardioverter defibrillatorCause mortalityLower riskAdverse outcomesNational Cardiovascular Data Registry ICD RegistryRemote patient monitoringSocial Security Death Master FileCause rehospitalization rateRisk of rehospitalizationImplanted cardiac defibrillatorsDeath Master FileCardiomyopathy pathogenesisCause rehospitalizationICD RegistryRehospitalization ratesMultivariable analysisStudy cohortVital statusService patientsCardioverter defibrillatorCox modelMedicare populationMedicare feePatientsDoes Age Influence Cardiac Resynchronization Therapy Use and Outcome?
Heidenreich PA, Tsai V, Bao H, Curtis J, Goldstein M, Curtis L, Hernandez A, Peterson P, Turakhia MP, Masoudi FA. Does Age Influence Cardiac Resynchronization Therapy Use and Outcome? JACC Heart Failure 2015, 3: 497-504. PMID: 25982109, DOI: 10.1016/j.jchf.2015.01.012.Peer-Reviewed Original ResearchConceptsLeft ventricular ejection fractionICD implantationOlder patientsTrial criteriaNew York Heart Association functional class IIIAge groupsSocial Security Death IndexPatients age 85Receipt of CRTFunctional class IIICardiac resynchronization therapyVentricular ejection fractionClinical trial criteriaDifferent age groupsPatient ageEjection fractionICD RegistryImproved survivalPrimary outcomeResynchronization therapyTherapy useDeath IndexMean ageClinical trialsRegistry data
2014
Prevalence of Guideline-Directed Medical Therapy Among Patients Receiving Cardiac Resynchronization Therapy Defibrillator Implantation in the National Cardiovascular Data Registry During the Years 2006 to 2008
Schneider PM, Pellegrini CN, Wang Y, Fein AS, Reynolds MR, Curtis JP, Masoudi FA, Varosy PD. Prevalence of Guideline-Directed Medical Therapy Among Patients Receiving Cardiac Resynchronization Therapy Defibrillator Implantation in the National Cardiovascular Data Registry During the Years 2006 to 2008. The American Journal Of Cardiology 2014, 113: 2052-2056. PMID: 24793671, PMCID: PMC4346333, DOI: 10.1016/j.amjcard.2014.03.049.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAged, 80 and overAngiotensin-Converting Enzyme InhibitorsCardiac Resynchronization TherapyCombined Modality TherapyDeath, Sudden, CardiacDefibrillators, ImplantableFemaleFollow-Up StudiesHeart FailureHumansMaleMiddle AgedPractice Guidelines as TopicPrevalenceRegistriesRetrospective StudiesRisk AssessmentSurvival AnalysisTreatment OutcomeUnited StatesVentricular Dysfunction, LeftConceptsGuideline-directed medical therapyCardiac resynchronization therapyImplantable Cardioverter-Defibrillator RegistryAngiotensin II receptor inhibitorΒ-blockersMedical therapyClass IReceptor inhibitorsNational Cardiovascular Data Registry Implantable Cardioverter Defibrillator RegistryCardiac resynchronization therapy defibrillator implantationLeft ventricular systolic dysfunctionSevere heart failure symptomsAngiotensin-converting enzyme inhibitorNational Cardiovascular Data RegistryClass I indicationsCRT-D implantationHeart failure symptomsVentricular systolic dysfunctionProportion of patientsSelection of patientsReal-world patientsAngiotensin-converting enzymePrevalence of guidelinesContemporaneous guidelinesQuality improvement targetsRisk Stratification for Long-Term Mortality After Percutaneous Coronary Intervention
Wu C, Camacho FT, King SB, Walford G, Holmes DR, Stamato NJ, Berger PB, Sharma S, Curtis JP, Venditti FJ, Jacobs AK, Hannan EL. Risk Stratification for Long-Term Mortality After Percutaneous Coronary Intervention. Circulation Cardiovascular Interventions 2014, 7: 80-87. PMID: 24425588, PMCID: PMC4121885, DOI: 10.1161/circinterventions.113.000475.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionCox proportional hazards modelLong-term mortalityProportional hazards modelSimple risk scoreRisk of deathRisk scoreHazards modelCoronary interventionVital statusRisk factorsCoronary artery bypass graft surgeryArtery bypass graft surgeryExtreme body mass indexPoint-based risk scorePreprocedural risk factorsSimplified risk scoreUnstable hemodynamic stateBypass graft surgeryLow ejection fractionNational Death IndexBody mass indexPatients' vital statusSeparate risk factorsMultivessel disease
2013
Survival of Patients Receiving a Primary Prevention Implantable Cardioverter-Defibrillator in Clinical Practice vs Clinical Trials
Al-Khatib SM, Hellkamp A, Bardy GH, Hammill S, Hall WJ, Mark DB, Anstrom KJ, Curtis J, Al-Khalidi H, Curtis LH, Heidenreich P, Peterson ED, Sanders G, Clapp-Channing N, Lee KL, Moss AJ. Survival of Patients Receiving a Primary Prevention Implantable Cardioverter-Defibrillator in Clinical Practice vs Clinical Trials. JAMA 2013, 309: 55-62. PMID: 23280225, PMCID: PMC3638257, DOI: 10.1001/jama.2012.157182.Peer-Reviewed Original ResearchConceptsPrimary prevention ICDsPrimary prevention clinical trialsTrial-eligible patientsSurvival of patientsPrevention clinical trialsClinical trialsICD RegistrySCD-HeFTClinical practiceRegistry patientsMADIT-IISimilar patientsNational Cardiovascular Data Registry ICD RegistryPrimary prevention implantable cardioverter defibrillatorsSurvival rateImplantable cardioverter-defibrillator therapyMADIT II criteriaMADIT II patientsSCD-HeFT criteriaCardioverter-defibrillator therapyClinical trial patientsLarge national registryRandomized clinical trialsProportional hazards modelImplantable cardioverter defibrillator
2011
Influence of Age on Perioperative Complications Among Patients Undergoing Implantable Cardioverter-Defibrillators for Primary Prevention in the United States
Tsai V, Goldstein MK, Hsia HH, Wang Y, Curtis J, Heidenreich PA. Influence of Age on Perioperative Complications Among Patients Undergoing Implantable Cardioverter-Defibrillators for Primary Prevention in the United States. Circulation Cardiovascular Quality And Outcomes 2011, 4: 549-556. PMID: 21878667, DOI: 10.1161/circoutcomes.110.959205.Peer-Reviewed Original ResearchConceptsAdverse eventsICD RegistryPrimary prevention ICD recipientsEnd pointImplantable cardioverter defibrillator recipientsPatients 85 yearsPrimary prevention patientsMinor adverse eventsPrimary end pointSecondary end pointsMajor adverse eventsCongestive heart failureCoronary artery diseaseLength of stayInfluence of ageHospital mortalityICD trialsPerioperative complicationsPeriprocedural complicationsArtery diseaseHeart failureICD recipientsRenal diseaseIncreased oddsAtrial fibrillation
2010
Differences in Patient Survival After Acute Myocardial Infarction by Hospital Capability of Performing Percutaneous Coronary Intervention: Implications for Regionalization
Chen J, Krumholz HM, Wang Y, Curtis JP, Rathore SS, Ross JS, Normand SL, Schreiner GC, Mulvey G, Nallamothu BK. Differences in Patient Survival After Acute Myocardial Infarction by Hospital Capability of Performing Percutaneous Coronary Intervention: Implications for Regionalization. JAMA Internal Medicine 2010, 170: 433-439. PMID: 20212179, PMCID: PMC2900156, DOI: 10.1001/archinternmed.2009.538.Peer-Reviewed Original ResearchConceptsRisk-standardized mortality ratesNon-PCI hospitalsPercutaneous coronary interventionAcute myocardial infarctionHospital referral regionsPCI hospitalsHealth care regionCoronary interventionAMI patientsMyocardial infarctionCare regionLower risk-standardized mortality ratesSame hospital referral regionService beneficiaries 65 yearsBeneficiaries 65 yearsMagnitude of benefitPatient survivalAMI careReferral regionsOutcome differencesMedicare feeMortality rateHospitalHospital capabilitiesInfarction
2008
Delay in Presentation and Reperfusion Therapy in ST-Elevation Myocardial Infarction
Ting HH, Bradley EH, Wang Y, Nallamothu BK, Gersh BJ, Roger VL, Lichtman JH, Curtis JP, Krumholz HM. Delay in Presentation and Reperfusion Therapy in ST-Elevation Myocardial Infarction. The American Journal Of Medicine 2008, 121: 316-323. PMID: 18374691, PMCID: PMC2373574, DOI: 10.1016/j.amjmed.2007.11.017.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAngioplasty, Balloon, CoronaryEarly DiagnosisElectrocardiographyEmergency Medical ServicesEmergency Service, HospitalFemaleFollow-Up StudiesHospital MortalityHumansMaleMiddle AgedMultivariate AnalysisMyocardial InfarctionMyocardial RevascularizationOdds RatioProbabilityRegistriesRetrospective StudiesRisk FactorsSurvival AnalysisThrombolytic TherapyTime FactorsTreatment OutcomeConceptsST-elevation myocardial infarctionReperfusion therapyHospital presentationBalloon timeSymptom onsetLonger doorMyocardial infarctionDrug timePrimary reperfusion therapyCohort studyLate presentersNeedle timeNational registryPatientsReduced likelihoodTherapyInfarctionLong delayPresentationOnsetHoursAssociationMinutesRegistry
2007
Preventing tomorrow's sudden cardiac death today Part II: Translating sudden cardiac death risk assessment strategies into practice and policy
Sanders GD, Al-Khatib SM, Berliner E, Bigger JT, Buxton AE, Califf RM, Carlson M, Curtis AB, Curtis JP, Domanski M, Fain E, Gersh BJ, Gold MR, Goldberger J, Haghighi-Mood A, Hammill SC, Harder J, Healey J, Hlatky MA, Hohnloser SH, Lee KL, Mark DB, Mitchell B, Phurrough S, Prystowsky E, Smith JM, Stockbridge N, Temple R, conference F. Preventing tomorrow's sudden cardiac death today Part II: Translating sudden cardiac death risk assessment strategies into practice and policy. American Heart Journal 2007, 153: 951-959. PMID: 17540195, DOI: 10.1016/j.ahj.2007.03.002.Peer-Reviewed Original ResearchConceptsSudden cardiac deathCardiac deathClinical practicePrevention of SCDRisk assessment strategiesDuke Clinical Research InstituteClinical Research InstituteSCD preventionClinical cardiovascular medicineRisk stratificationHigh riskCurrent evidenceClinical strategiesDuke CenterCardiovascular medicineHealth policyPreventionFuture evidenceRiskDeathFurther testingGroup of individualsAssessment strategiesLevel of riskProfessional societies
2004
The Prognostic Value of Vasodilator Myocardial Perfusion Imaging in Octogenarians
Curtis JP, Ko DT, Wang Y, Wackers FJ, Foody JM. The Prognostic Value of Vasodilator Myocardial Perfusion Imaging in Octogenarians. The American Journal Of Geriatric Cardiology 2004, 13: 239-245. PMID: 15365286, DOI: 10.1111/j.1076-7460.2004.03126.x.Peer-Reviewed Original ResearchConceptsMyocardial perfusion imagingPerfusion imagingVasodilator myocardial perfusion imagingAbnormal myocardial perfusion imagingTomography myocardial perfusion imagingMortality of octogenariansSPECT myocardial perfusion imagingLarge perfusion defectsSingle photon emissionStress defectsAggressive managementCrude mortalityMultivariable analysisPrognostic valuePerfusion defectsCardiac diseaseOctogenariansDefect reversibilityMortalitySPECT imagingStrongest predictorPhoton emissionImagingPatientsDiseaseAssociation Between Functional Status and Use and Effectiveness of Beta‐Blocker Prophylaxis in Elderly Survivors of Acute Myocardial Infarction
Vitagliano G, Curtis JP, Concato J, Feinstein AR, Radford MJ, Krumholz HM. Association Between Functional Status and Use and Effectiveness of Beta‐Blocker Prophylaxis in Elderly Survivors of Acute Myocardial Infarction. Journal Of The American Geriatrics Society 2004, 52: 495-501. PMID: 15066062, DOI: 10.1111/j.1532-5415.2004.52153.x.Peer-Reviewed Original ResearchMeSH KeywordsActivities of Daily LivingAcute DiseaseAdrenergic beta-AntagonistsAge FactorsAgedAged, 80 and overCross-Sectional StudiesDrug PrescriptionsDrug UtilizationFemaleGeriatric AssessmentHumansLogistic ModelsMaleMultivariate AnalysisMyocardial InfarctionPatient DischargePatient SelectionPractice Patterns, Physicians'Proportional Hazards ModelsRetrospective StudiesSurvival AnalysisTreatment OutcomeUnited StatesConceptsAcute myocardial infarctionHospital dischargeFunctional impairmentElderly patientsMyocardial infarctionAcute myocardial infarction survivorsBeta-blocker prescriptionBeta-blocker prophylaxisBeta-blocker treatmentRetrospective cohort studySimilar survival benefitMain outcome measuresMyocardial infarction survivorsAcute care hospitalsEligible patientsCohort studySurvival benefitCare hospitalFunctional statusNational cohortInfarction survivorsOutcome measuresElderly survivorsPatientsCognitive impairment
2003
The association of left ventricular ejection fraction, mortality, and cause of death in stable outpatients with heart failure
Curtis JP, Sokol SI, Wang Y, Rathore SS, Ko DT, Jadbabaie F, Portnay EL, Marshalko SJ, Radford MJ, Krumholz HM. The association of left ventricular ejection fraction, mortality, and cause of death in stable outpatients with heart failure. Journal Of The American College Of Cardiology 2003, 42: 736-742. PMID: 12932612, DOI: 10.1016/s0735-1097(03)00789-7.Peer-Reviewed Original ResearchMeSH KeywordsAgedCause of DeathFemaleHeart FailureHumansMaleMiddle AgedOutpatientsPredictive Value of TestsPrognosisStroke VolumeSurvival AnalysisConceptsLeft ventricular ejection fractionVentricular ejection fractionHeart failureCause of deathLVEF groupHF patientsMultivariable adjustmentEjection fractionStable outpatientsAssociation of LVEFHigher left ventricular ejection fractionLow left ventricular ejection fractionDigitalis Investigation Group trialHigh LVEF groupStable HF patientsPrognostic importanceAbsolute riskPrognostic indicatorSinus rhythmGroup trialsMortality ratePatientsMortalityDeathOutpatientsAssociation of Serum Digoxin Concentration and Outcomes in Patients With Heart Failure
Rathore SS, Curtis JP, Wang Y, Bristow MR, Krumholz HM. Association of Serum Digoxin Concentration and Outcomes in Patients With Heart Failure. JAMA 2003, 289: 871-878. PMID: 12588271, DOI: 10.1001/jama.289.7.871.Peer-Reviewed Original ResearchConceptsSerum digoxin concentrationHigh serum digoxin concentrationsLeft ventricular ejection fractionVentricular ejection fractionHeart failureMortality rateDIG trialDigoxin therapyEjection fractionDigoxin concentrationsDepressed left ventricular systolic functionDigitalis Investigation Group trialHigher absolute mortality rateLeft ventricular systolic functionOverall mortality benefitVentricular systolic functionCause mortality ratesAbsolute mortality ratesLower mortality rateCause mortalityMultivariable adjustmentMortality benefitSystolic functionClinical outcomesSerum concentrations