2011
Implantable 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
1999
Comparing AMI Mortality Among Hospitals in Patients 65 Years of Age and Older
Krumholz H, Chen J, Wang Y, Radford M, Chen Y, Marciniak T. Comparing AMI Mortality Among Hospitals in Patients 65 Years of Age and Older. Circulation 1999, 99: 2986-2992. PMID: 10368115, DOI: 10.1161/01.cir.99.23.2986.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionMyocardial infarctionWhite blood cell countPatients 65 yearsSystolic blood pressureCongestive heart failureMedical chart reviewReceiver-operating characteristic curveBlood cell countRisk-adjusted outcomesYears of ageAdministrative billing codesRisk-adjustment modelsHospital outcomesSerum creatinineChart reviewDerivation cohortHeart failurePatient characteristicsBlood pressureCardiac arrestValidation cohortCandidate predictor variablesAMI mortalityBilling codes