2020
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
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 data
2019
Cardiac 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 delayPatients
2016
Association Between a Prolonged PR Interval and Outcomes of Cardiac Resynchronization Therapy
Friedman DJ, Bao H, Spatz ES, Curtis JP, Daubert JP, Al-Khatib SM. Association Between a Prolonged PR Interval and Outcomes of Cardiac Resynchronization Therapy. Circulation 2016, 134: 1617-1628. PMID: 27760795, PMCID: PMC5418126, DOI: 10.1161/circulationaha.116.022913.Peer-Reviewed Original ResearchConceptsHeart failure hospitalizationFailure hospitalizationPR intervalImplantable cardioverter defibrillatorNational Cardiovascular Data Registry ICD RegistryCardiac resynchronization therapy candidatesIncident heart failure hospitalizationReal-world comparative effectivenessCRT-eligible patientsReceipt of CRTChronic kidney diseaseCardiac resynchronization therapyCRT-D patientsCoronary artery diseaseProlonged PR intervalComparative effectiveness analysisMore comorbiditiesArtery diseaseDiabetes mellitusICD recipientsICD RegistryResynchronization therapyAtrial arrhythmiasKidney diseaseCardioverter defibrillator
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 endpoints