2023
Association Between Claims‐Defined Frailty and Outcomes Following 30 Versus 12 Months of Dual Antiplatelet Therapy After Percutaneous Coronary Intervention: Findings From the EXTEND‐DAPT Study
Faridi K, Strom J, Kundi H, Butala N, Curtis J, Gao Q, Song Y, Zheng L, Tamez H, Shen C, Secemsky E, Yeh R. Association Between Claims‐Defined Frailty and Outcomes Following 30 Versus 12 Months of Dual Antiplatelet Therapy After Percutaneous Coronary Intervention: Findings From the EXTEND‐DAPT Study. Journal Of The American Heart Association 2023, 12: e029588. PMID: 37449567, PMCID: PMC10382113, DOI: 10.1161/jaha.123.029588.Peer-Reviewed Original ResearchConceptsExtended duration dual antiplatelet therapyDuration dual antiplatelet therapyNet adverse clinical eventsDual antiplatelet therapyAdverse clinical eventsPercutaneous coronary interventionCoronary interventionClinical eventsNonfrail patientsAntiplatelet therapyFrail patientsClaims dataMonths of DAPTClaims-based indexYears of ageMajor bleedingCause mortalityMultivariable adjustmentOlder patientsDAPT studyResults PatientsBackground FrailtyMyocardial infarctionClinical trialsMedicare claims
2022
Temporal trends and long-term outcomes among recipients of cardiac resynchronization therapy with defibrillator in the United States, 2011–2015: Insights from the National Cardiovascular Data Registry
Darden D, Peterson PN, Xin X, Munir MB, Minges KE, Goldenberg I, Poole JE, Feld GK, Birgersdotter-Green U, Curtis JP, Hsu JC. Temporal trends and long-term outcomes among recipients of cardiac resynchronization therapy with defibrillator in the United States, 2011–2015: Insights from the National Cardiovascular Data Registry. Heart Rhythm O2 2022, 3: 405-414. PMID: 36097450, PMCID: PMC9463686, DOI: 10.1016/j.hroo.2022.03.004.Peer-Reviewed Original ResearchLong-term outcomesGuideline-concordant recommendationsHeart failure hospitalizationCardiac resynchronization therapyFailure hospitalizationCause hospitalizationCardiovascular hospitalizationResynchronization therapyNational Cardiovascular Data RegistryCRT-D implantationYear of implantHospital procedural complicationsHospital complicationsHospital outcomesMultivariable adjustmentPatient characteristicsProcedural complicationsDefibrillator recipientsHospitalizationData registryLower riskMedicare beneficiariesMedicare dataOutcomesRecipients
2021
Sex Differences in Procedural Outcomes Among Patients Undergoing Left Atrial Appendage Occlusion
Darden D, Duong T, Du C, Munir MB, Han FT, Reeves R, Saw J, Zeitler EP, Al-Khatib SM, Russo AM, Minges KE, Curtis JP, Freeman JV, Hsu JC. Sex Differences in Procedural Outcomes Among Patients Undergoing Left Atrial Appendage Occlusion. JAMA Cardiology 2021, 6: 1275-1284. PMID: 34379072, PMCID: PMC8358791, DOI: 10.1001/jamacardio.2021.3021.Peer-Reviewed Original ResearchConceptsHospital adverse eventsMajor adverse eventsAdverse eventsAtrial appendage occlusionMajor bleedingPericardial effusionAppendage occlusionAtrial fibrillationSex differencesCongestive heart failureCoronary artery diseaseAdjusted logistic regression analysisParoxysmal atrial fibrillationLogistic regression analysisMultivariable adjusted logistic regression analysesPrior strokeUncontrolled hypertensionHospital outcomesHospital stayMultivariable adjustmentProlonged hospitalBaseline characteristicsCohort studySelect patientsArtery diseaseDefibrillation 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 generator
2020
Sex Differences in 1‐Year Health Status Following Percutaneous Coronary Intervention in Patients Without Acute Myocardial Infarction: Results From the China PEACE Prospective Study
Zheng X, Dreyer RP, Curtis JP, Liu S, Xu X, Bai X, Li X, Zhang H, Wang S, Masoudi FA, Spertus JA, Li J, Krumholz HM, Group F. Sex Differences in 1‐Year Health Status Following Percutaneous Coronary Intervention in Patients Without Acute Myocardial Infarction: Results From the China PEACE Prospective Study. Journal Of The American Heart Association 2020, 9: e014421. PMID: 32131687, PMCID: PMC7335522, DOI: 10.1161/jaha.119.014421.Peer-Reviewed Original ResearchConceptsPercutaneous coronary interventionAcute myocardial infarctionSAQ Summary ScoreCoronary interventionHealth status outcomesMyocardial infarctionHealth statusSummary scoresSAQ qualityAngina frequencyStatus outcomesPercutaneous coronary intervention studiesSAQ angina frequency scoreAngina frequency scoreCoronary Intervention StudyMarginal clinical significanceSAQ angina frequencyCardiac risk factorsChinese tertiary hospitalBackground Sex differencesSex differencesMultivariable adjustmentDiabetes mellitusTertiary hospitalLife scoresPrevalence, 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
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 indexCardiac Resynchronization Defibrillator Therapy for Nonspecific Intraventricular Conduction Delay Versus Right Bundle Branch Block
Kawata H, Bao H, Curtis JP, Minges KE, Mitiku T, Birgersdotter-Green U, Feld GK, Hsu JC. Cardiac Resynchronization Defibrillator Therapy for Nonspecific Intraventricular Conduction Delay Versus Right Bundle Branch Block. Journal Of The American College Of Cardiology 2019, 73: 3082-3099. PMID: 31221257, DOI: 10.1016/j.jacc.2019.04.025.Peer-Reviewed Original ResearchConceptsNonspecific intraventricular conduction delayRight bundle branch blockCardiac resynchronization therapyCRT-D implantationCRT-eligible patientsBundle branch blockQRS durationHazard ratioBranch blockBetter outcomesCardiac resynchronization defibrillator therapyMultivariable adjusted hazard ratiosAdjusted hazard ratioIntraventricular conduction delayCareful patient selectionEligible patientsDefibrillator therapyMultivariable adjustmentResynchronization therapyClinical outcomesPatient selectionConduction abnormalitiesRegistry dataConduction delayPatientsAssociation 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
2017
Coronary Venous Dissection from Left Ventricular Lead Placement During Cardiac Resynchronization Therapy With Defibrillator Implantation and Associated in-Hospital Adverse Events (from the NCDR ICD Registry)
Hsu JC, Varosy PD, Bao H, Dewland TA, Curtis JP, Marcus GM. Coronary Venous Dissection from Left Ventricular Lead Placement During Cardiac Resynchronization Therapy With Defibrillator Implantation and Associated in-Hospital Adverse Events (from the NCDR ICD Registry). The American Journal Of Cardiology 2017, 121: 55-61. PMID: 29102348, DOI: 10.1016/j.amjcard.2017.09.019.Peer-Reviewed Original ResearchConceptsCRT-D recipientsVentricular lead placementHospital adverse eventsVenous dissectionMultivariable adjustmentAdverse eventsMajor complicationsLead placementGreater oddsPrevious coronary artery bypass graftImplantable Cardioverter-Defibrillator RegistryLeft ventricular lead placementCoronary artery bypass graftHierarchical multivariable logistic regressionHospital clinical outcomesArtery bypass graftCardiac resynchronization therapyMultivariable logistic regressionBundle branch blockHospital complicationsHospital mortalityHospital deathHospital stayDefibrillator implantationProlonged hospitalization
2014
Procedure timing as a predictor of inhospital adverse outcomes from implantable cardioverter-defibrillator implantation: Insights from the National Cardiovascular Data Registry
Hsu JC, Varosy PD, Parzynski CS, Chaudhry SI, Dewland TA, Curtis JP, Marcus GM. Procedure timing as a predictor of inhospital adverse outcomes from implantable cardioverter-defibrillator implantation: Insights from the National Cardiovascular Data Registry. American Heart Journal 2014, 169: 45-52.e3. PMID: 25497247, DOI: 10.1016/j.ahj.2014.10.006.Peer-Reviewed Original ResearchConceptsHospital stayAdverse eventsICD recipientsWeekends/holidaysInhospital deathGreater oddsNational Cardiovascular Data Registry ICD RegistryFirst-time ICD recipientsImplantable cardioverter defibrillator implantationNational Cardiovascular Data RegistryImplantable cardioverter-defibrillator (ICD) proceduresImplantable cardioverter defibrillator recipientsHierarchical multivariable logistic regressionInhospital adverse outcomesCardioverter-defibrillator implantationProlonged hospital stayMultivariable logistic regressionReal-world populationAfternoon/eveningTotal complicationsMultivariable adjustmentAdverse outcomesHospital characteristicsICD implantsData registryClinical Effectiveness of Cardiac Resynchronization Therapy Versus Medical Therapy Alone Among Patients With Heart Failure
Khazanie P, Hammill BG, Qualls LG, Fonarow GC, Hammill SC, Heidenreich PA, Al-Khatib SM, Piccini JP, Masoudi FA, Peterson PN, Curtis JP, Hernandez AF, Curtis LH. Clinical Effectiveness of Cardiac Resynchronization Therapy Versus Medical Therapy Alone Among Patients With Heart Failure. Circulation Heart Failure 2014, 7: 926-934. PMID: 25227768, PMCID: PMC4244212, DOI: 10.1161/circheartfailure.113.000838.Peer-Reviewed Original ResearchConceptsAcute Decompensated Heart Failure National RegistryImplantable Cardioverter-Defibrillator RegistryHeart failureMedical therapyCardiovascular readmissionCause readmissionQRS durationNational Cardiovascular Data Registry Implantable Cardioverter Defibrillator RegistryLeft ventricular ejection fractionCox proportional hazards modelHistorical control cohortOptimal medical therapyCardiac resynchronization therapyVentricular ejection fractionProportional hazards modelMultivariable adjustmentEjection fractionICD RegistryResynchronization therapyClinical effectivenessControl cohortNational registryClinical trialsLower riskHazards model
2013
Cardiac Perforation From Implantable Cardioverter-Defibrillator Lead Placement
Hsu JC, Varosy PD, Bao H, Dewland TA, Curtis JP, Marcus GM. Cardiac Perforation From Implantable Cardioverter-Defibrillator Lead Placement. Circulation Cardiovascular Quality And Outcomes 2013, 6: 582-590. PMID: 24002030, DOI: 10.1161/circoutcomes.113.000299.Peer-Reviewed Original ResearchConceptsPredictors of perforationCardiac perforationICD recipientsMajor complicationsGreater oddsImplantable cardioverter defibrillator lead placementHigher left ventricular ejection fractionFirst-time ICD recipientsLeft ventricular ejection fractionHierarchical multivariable logistic regressionHeart failure classICD lead implantationAssociated adverse eventsVentricular ejection fractionMultivariable logistic regressionLength of stayBundle branch blockCardiac bypass surgeryHospital mortalityHospital deathHospital stayBypass surgeryFeared complicationMultivariable adjustmentAdverse events
2011
Operator Experience and Carotid Stenting Outcomes in Medicare Beneficiaries
Nallamothu BK, Gurm HS, Ting HH, Goodney PP, Rogers MA, Curtis JP, Dimick JB, Bates ER, Krumholz HM, Birkmeyer JD. Operator Experience and Carotid Stenting Outcomes in Medicare Beneficiaries. JAMA 2011, 306: 1338-1343. PMID: 21954477, PMCID: PMC3208144, DOI: 10.1001/jama.2011.1357.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overAtherosclerosisCarotid StenosisCenters for Medicare and Medicaid Services, U.S.Clinical CompetenceFee-for-Service PlansFemaleHospital MortalityHumansInsurance CoverageMaleMedicarePhysiciansQuality of Health CareRetrospective StudiesStentsStrokeTime FactorsTreatment OutcomeUnited StatesConceptsAnnual operator volumeCarotid stentingOperator volumeMedicare beneficiariesNational coverage decisionHigh riskOperator experienceStudy periodThirty-day mortalityEmbolic protection devicesHigh-volume operatorsLow-volume operatorsService Medicare beneficiariesLow annual volumeMultivariable adjustmentOlder patientsRate of failureClinical trialsCoverage decisionsObservational studyMAIN OUTCOMEPatientsClinical practiceStentingMore procedures
2009
Association of Door-to-Balloon Time and Mortality in Patients ≥65 Years With ST-Elevation Myocardial Infarction Undergoing Primary Percutaneous Coronary Intervention
Rathore SS, Curtis JP, Nallamothu BK, Wang Y, Foody JM, Kosiborod M, Masoudi FA, Havranek EP, Krumholz HM. Association of Door-to-Balloon Time and Mortality in Patients ≥65 Years With ST-Elevation Myocardial Infarction Undergoing Primary Percutaneous Coronary Intervention. The American Journal Of Cardiology 2009, 104: 1198-1203. PMID: 19840562, PMCID: PMC2790921, DOI: 10.1016/j.amjcard.2009.06.034.Peer-Reviewed Original ResearchConceptsPrimary percutaneous coronary interventionPrimary PCIST-elevation myocardial infarctionPercutaneous coronary interventionBalloon timeMyocardial infarctionCoronary interventionAssociation of doorMinutes of admissionSecond-degree fractional polynomialsLogistic regression analysisFractional polynomial modelsMultivariable adjustmentLonger doorMedian doorCurrent guidelinesPatientsMortalityInfarctionRegression analysisFractional polynomialsAssociationInterventionMinutesTreatment
2006
Socioeconomic status, treatment, and outcomes among elderly patients hospitalized with heart failure: Findings from the National Heart Failure Project
Rathore SS, Masoudi FA, Wang Y, Curtis JP, Foody JM, Havranek EP, Krumholz HM. Socioeconomic status, treatment, and outcomes among elderly patients hospitalized with heart failure: Findings from the National Heart Failure Project. American Heart Journal 2006, 152: 371-378. PMID: 16875925, PMCID: PMC2790269, DOI: 10.1016/j.ahj.2005.12.002.Peer-Reviewed Original ResearchConceptsLeft ventricular systolic function assessmentHigh SES patientsVentricular systolic function assessmentHeart failureSES patientsSystolic function assessmentYear of dischargeQuality of careSocioeconomic statusMultivariable adjustmentFunction assessmentEnzyme inhibitorsNational Heart Failure ProjectHeart Failure ProjectPrescription of angiotensinLow SES patientsPatients' socioeconomic statusAssociation of SESYear of admissionMedical record dataHierarchical logistic regression modelsLow socioeconomic statusLogistic regression modelsPatient sElderly patients
2005
Anemia and Outcomes in Patients With Heart Failure: A Study From the National Heart Care Project
Kosiborod M, Curtis JP, Wang Y, Smith GL, Masoudi FA, Foody JM, Havranek EP, Krumholz HM. Anemia and Outcomes in Patients With Heart Failure: A Study From the National Heart Care Project. JAMA Internal Medicine 2005, 165: 2237-2244. PMID: 16246989, DOI: 10.1001/archinte.165.19.2237.Peer-Reviewed Original ResearchConceptsHeart failureLower hematocrit levelsIndependent predictorsHematocrit levelsComorbid illnessesHigh riskCare ProjectMultivariable logistic regression analysisPatients 65 yearsPrincipal discharge diagnosisAcute care hospitalsLogistic regression analysisLow hematocrit valuesCause mortalityHF patientsMultiple comorbiditiesMultivariable adjustmentOlder patientsCare hospitalClinical factorsHospital readmissionComorbid conditionsDischarge diagnosisSevere anemiaAdverse outcomesPrior Aspirin Use and Outcomes in Elderly Patients Hospitalized With Acute Myocardial Infarction
Portnay EL, Foody JM, Rathore SS, Wang Y, Masoudi FA, Curtis JP, Krumholz HM. Prior Aspirin Use and Outcomes in Elderly Patients Hospitalized With Acute Myocardial Infarction. Journal Of The American College Of Cardiology 2005, 46: 967-974. PMID: 16168277, PMCID: PMC2790536, DOI: 10.1016/j.jacc.2005.06.049.Peer-Reviewed Original ResearchConceptsPrior aspirin useCondition-specific readmissionAspirin useMyocardial infarctionCause readmissionMedicare beneficiariesSix-month mortalityAcute myocardial infarctionElderly patientsMultivariable adjustmentPrognostic significanceHigh riskReadmissionLower riskLower mortalityPatientsOne monthMortalityMonthsInfarctionOne-thirdNational sampleRiskMarkersAssociation
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 ResearchConceptsLeft 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