2011
Physician Procedure Volume and Complications of Cardioverter-Defibrillator Implantation
Freeman JV, Wang Y, Curtis JP, Heidenreich PA, Hlatky MA. Physician Procedure Volume and Complications of Cardioverter-Defibrillator Implantation. Circulation 2011, 125: 57-64. PMID: 22095828, DOI: 10.1161/circulationaha.111.046995.Peer-Reviewed Original ResearchConceptsPhysician procedure volumeProcedure volumeHospital mortalityICD implantationHospital characteristicsPhysician specialtyNational Cardiovascular Data Registry ICD RegistryImplantable cardioverter-defibrillator placementInitial ICD implantationRate of complicationsCardioverter-defibrillator implantationHospital procedure volumeClustering of patientsAnnual procedure volumeOutcomes of proceduresVolume of proceduresHierarchical logistic regressionHospital complicationsComplication rateHospital volumePatient characteristicsProcedural complicationsHighest quartileInverse relationshipComplicationsAge 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 adultsDual-Chamber Implantable Cardioverter-Defibrillator Selection Is Associated With Increased Complication Rates and Mortality Among Patients Enrolled in the NCDR Implantable Cardioverter-Defibrillator Registry
Dewland TA, Pellegrini CN, Wang Y, Marcus GM, Keung E, Varosy PD. Dual-Chamber Implantable Cardioverter-Defibrillator Selection Is Associated With Increased Complication Rates and Mortality Among Patients Enrolled in the NCDR Implantable Cardioverter-Defibrillator Registry. Journal Of The American College Of Cardiology 2011, 58: 1007-1013. PMID: 21867834, DOI: 10.1016/j.jacc.2011.04.039.Peer-Reviewed Original ResearchConceptsDual-chamber ICDHospital mortalityComplication rateDevice implantationDual-chamber implantable cardioverter-defibrillator (ICD) implantationNational Cardiovascular Data Registry ICD RegistryImplantable Cardioverter-Defibrillator RegistrySingle-chamber ICD implantationImplantable cardioverter defibrillator implantationHospital complication ratesSingle-chamber defibrillatorsCardioverter-defibrillator implantationMajority of patientsReal-world populationDual-chamber devicesSingle-chamber devicesLongitudinal cohort designMedical comorbiditiesPeriprocedural complicationsAdverse eventsBaseline characteristicsICD implantationICD indicationICD RegistryICD useImplantable Cardioverter-Defibrillator Registry Risk Score Models for Acute Procedural Complications or Death After Implantable Cardioverter-Defibrillator Implantation
Haines DE, Wang Y, Curtis J. Implantable Cardioverter-Defibrillator Registry Risk Score Models for Acute Procedural Complications or Death After Implantable Cardioverter-Defibrillator Implantation. Circulation 2011, 123: 2069-2076. PMID: 21537001, DOI: 10.1161/circulationaha.110.959676.Peer-Reviewed Original ResearchConceptsImplantable cardioverter defibrillator implantationSimple risk scoreCardioverter-defibrillator implantationAdverse eventsRisk scoreLower riskNew York Heart Association class IIILow-risk subsetPrior valve surgeryAcute procedural complicationsChronic lung diseaseRisk stratification schemaAvailable clinical variablesBlood urea nitrogenIntensity of careRisk score modelLogistic regression modelsHospital complicationsAcute complicationsHospital deathValve surgeryICD implantationPostprocedural complicationsICD RegistryProcedural complications
2010
Regional Variation in the Use of Implantable Cardioverter-Defibrillators for Primary Prevention
Matlock DD, Peterson PN, Heidenreich PA, Lucas FL, Malenka DJ, Wang Y, Curtis JP, Kutner JS, Fisher ES, Masoudi FA. Regional Variation in the Use of Implantable Cardioverter-Defibrillators for Primary Prevention. Circulation Cardiovascular Quality And Outcomes 2010, 4: 114-121. PMID: 21139094, DOI: 10.1161/circoutcomes.110.958264.Peer-Reviewed Original ResearchConceptsPrimary prevention ICDsProportion of patientsTrial inclusion criteriaInclusion criteriaPrimary preventionTrial criteriaPhysician supplyNational Cardiovascular Data RegistryImplantable cardioverter defibrillatorHospital referral regionsRace-adjusted ratesCross-sectional analysisICD implantationICD placementCardioverter defibrillatorReferral regionsData registryPotential overusePatientsICDDeath variesRate ratioService populationGeographic variationRegional variationBLOOD PRESSURE, BUN, CREATININE, CONGESTIVE HEART FAILURE AND CARDIAC ARREST (B2C3 SCORE) PREDICTS PROCEDURE MORTALITY FOR ELECTIVE ICD IMPLANTATION: DATA FROM THE NATIONAL ICD REGISTRY (ICDR®)
Haines D, Curtis J, Wang Y. BLOOD PRESSURE, BUN, CREATININE, CONGESTIVE HEART FAILURE AND CARDIAC ARREST (B2C3 SCORE) PREDICTS PROCEDURE MORTALITY FOR ELECTIVE ICD IMPLANTATION: DATA FROM THE NATIONAL ICD REGISTRY (ICDR®). Journal Of The American College Of Cardiology 2010, 55: a10.e99. DOI: 10.1016/s0735-1097(10)60100-3.Peer-Reviewed Original Research