2016
Reassessment of Cardiac Function and Implantable Cardioverter-Defibrillator Use Among Medicare Patients With Low Ejection Fraction After Myocardial Infarction
Pokorney SD, Miller AL, Chen AY, Thomas L, Fonarow GC, de Lemos JA, Al-Khatib SM, Velazquez EJ, Peterson ED, Wang TY. Reassessment of Cardiac Function and Implantable Cardioverter-Defibrillator Use Among Medicare Patients With Low Ejection Fraction After Myocardial Infarction. Circulation 2016, 135: 38-47. PMID: 27881561, DOI: 10.1161/circulationaha.116.022359.Peer-Reviewed Original ResearchMeSH KeywordsAgedDatabases, FactualDefibrillators, ImplantableFemaleHeart VentriclesHumansMagnetic Resonance ImagingMaleMedicareMyocardial InfarctionMyocardial RevascularizationProportional Hazards ModelsRegistriesRetrospective StudiesStroke VolumeSurvival RateTomography, X-Ray ComputedUltrasonographyUnited StatesConceptsLow ejection fractionEjection fractionICD implantationMyocardial infarctionMI admissionsRevascularization statusImplantable cardioverter-defibrillator (ICD) useACTION Registry-GWTGICD implantation ratesMultivariable Cox modelPost-MI patientsYears of ageImplantation rateCardiac functionMedicare patientsCox modelPatientsAdmissionHigher likelihoodInfarctionImplantationAssociationYearsStatusICD
2015
Outcomes of Anatomical versus Functional Testing for Coronary Artery Disease
Douglas PS, Hoffmann U, Patel MR, Mark DB, Al-Khalidi HR, Cavanaugh B, Cole J, Dolor RJ, Fordyce CB, Huang M, Khan MA, Kosinski AS, Krucoff MW, Malhotra V, Picard MH, Udelson JE, Velazquez EJ, Yow E, Cooper LS, Lee KL. Outcomes of Anatomical versus Functional Testing for Coronary Artery Disease. New England Journal Of Medicine 2015, 372: 1291-1300. PMID: 25773919, PMCID: PMC4473773, DOI: 10.1056/nejmoa1415516.Peer-Reviewed Original ResearchConceptsObstructive coronary artery diseaseCoronary artery diseaseCTA groupSymptomatic patientsArtery diseaseComposite primary end pointPrimary end-point eventEnd pointRadiation exposureInvasive cardiac catheterizationMajor procedural complicationsPrimary end pointSecondary end pointsEnd-point eventsCumulative radiation exposureMedian followChest painUnstable anginaCardiac catheterizationMore patientsProcedural complicationsClinical outcomesRandomized trialsAnatomical testingMean age