2021
Impact of insurance status on ICD implantation practice patterns: Insights from the NCDR ICD registry
Ahmed I, Merchant FM, Curtis JP, Parzynski CS, Lampert R. Impact of insurance status on ICD implantation practice patterns: Insights from the NCDR ICD registry. American Heart Journal 2021, 235: 44-53. PMID: 33503408, DOI: 10.1016/j.ahj.2021.01.016.Peer-Reviewed Original ResearchConceptsOptimal medical therapyInsurance statusNCDR ICD RegistryMedical therapyComplication rateICD RegistryUninsured patientsCardiac resynchronization therapy defibrillatorPrivate insurancePropensity-weighted analysisSingle-chamber devicesPrimary preventionMean ageICD implantsPractice patternsTreatment weightingImplantation practicePatientsInverse probabilityTherapyInsurance coverageFurther studiesRegistryMedicareStatus
2020
Trends in Use and In-Hospital Outcomes of Subcutaneous Implantable Cardioverter Defibrillators in Patients Undergoing Long-Term Dialysis
Pun PH, Parzynski CS, Friedman DJ, Sanders G, Curtis JP, Al-Khatib SM. Trends in Use and In-Hospital Outcomes of Subcutaneous Implantable Cardioverter Defibrillators in Patients Undergoing Long-Term Dialysis. Clinical Journal Of The American Society Of Nephrology 2020, 15: 1622-1630. PMID: 32967922, PMCID: PMC7646229, DOI: 10.2215/cjn.07920520.Peer-Reviewed Original ResearchConceptsHospital cardiac arrestSubcutaneous ICDTransvenous ICDICD implantsHospital outcomesICD recipientsICD RegistryCardiac arrestHigh riskNational Cardiovascular Data Registry ICD RegistryFirst-time ICD recipientsPropensity score-weighted analysisImplantable cardioverter defibrillator implantationSubcutaneous implantable cardioverter defibrillatorIn-Hospital OutcomesShort-term complicationsCardioverter-defibrillator implantationLong-term dialysisVascular access siteImplantable cardioverter defibrillatorCause deathHospital complicationsHospital stayDefibrillator implantationUS patients
2016
Trends and In-Hospital Outcomes Associated With Adoption of the Subcutaneous Implantable Cardioverter Defibrillator in the United States
Friedman DJ, Parzynski CS, Varosy PD, Prutkin JM, Patton KK, Mithani A, Russo AM, Curtis JP, Al-Khatib SM. Trends and In-Hospital Outcomes Associated With Adoption of the Subcutaneous Implantable Cardioverter Defibrillator in the United States. JAMA Cardiology 2016, 1: 900-911. PMID: 27603935, PMCID: PMC5112106, DOI: 10.1001/jamacardio.2016.2782.Peer-Reviewed Original ResearchConceptsSubcutaneous implantable cardioverter defibrillatorPropensity-matched analysisS-ICDHospital outcomesImplantable cardioverter defibrillatorICD implantsComplication rateICD RegistryDFT testingS-ICDsCardioverter defibrillatorNational Cardiovascular Data Registry ICD RegistryHospital complication ratesIn-Hospital OutcomesPrior cardiac arrestLow complication rateS-ICD implantationUse of ICDsSC-ICDICD implantationCardiac arrestMean ageRetrospective analysisMAIN OUTCOMEPatients
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 registry
2013
Temporal Trends in Quality of Care Among Recipients of Implantable Cardioverter-Defibrillators
Dodson JA, Lampert R, Wang Y, Hammill SC, Varosy P, Curtis JP. Temporal Trends in Quality of Care Among Recipients of Implantable Cardioverter-Defibrillators. Circulation 2013, 129: 580-586. PMID: 24192798, PMCID: PMC3946506, DOI: 10.1161/circulationaha.113.003747.Peer-Reviewed Original ResearchConceptsOptimal medical therapyCardiac resynchronization therapyAdverse eventsEligible patientsQuality of careICD RegistryPotential confoundersNew York Heart Association class III/IVClass III/IVAngiotensin-converting enzyme inhibitorAngiotensin receptor blockersVentricular ejection fractionNew ICD implantsImplantable cardioverter defibrillatorHierarchical logistic regressionCRT eligibilityReceptor blockersEjection fractionMedical therapyResynchronization therapyICD implantsObservational studyCardioverter defibrillatorΒ-blockersPatients
2011
Non–Evidence-Based ICD Implantations in the United States
Al-Khatib SM, Hellkamp A, Curtis J, Mark D, Peterson E, Sanders GD, Heidenreich PA, Hernandez AF, Curtis LH, Hammill S. Non–Evidence-Based ICD Implantations in the United States. JAMA 2011, 305: 43-49. PMID: 21205965, PMCID: PMC3432303, DOI: 10.1001/jama.2010.1915.Peer-Reviewed Original ResearchMeSH KeywordsAgedCardiologyCohort StudiesCoronary Artery BypassDeath, Sudden, CardiacDefibrillators, ImplantableEvidence-Based MedicineFemaleGuideline AdherenceHeart FailureHospital MortalityHumansMaleMiddle AgedMyocardial InfarctionPatient SelectionPractice Patterns, Physicians'Primary PreventionRegistriesRetrospective StudiesTreatment OutcomeUnited StatesConceptsICD implantsHospital outcomesNational Cardiovascular Data Registry ICD RegistryCoronary artery bypass graft surgerySevere heart failure symptomsArtery bypass graft surgeryBypass graft surgeryHeart failure symptomsRetrospective cohort studyYear of procedureEvidence-based criteriaGraft surgeryHospital deathCohort studyICD implantationHeart failurePostprocedure complicationsPrimary preventionMyocardial infarctionRecent diagnosisFailure symptomsPhysician specialtyPractice guidelinesMAIN OUTCOMEHigh risk