2014
Transfer Rates From Nonprocedure Hospitals After Initial Admission and Outcomes Among Elderly Patients With Acute Myocardial Infarction
Barreto-Filho JA, Wang Y, Rathore SS, Spatz ES, Ross JS, Curtis JP, Nallamothu BK, Normand SL, Krumholz HM. Transfer Rates From Nonprocedure Hospitals After Initial Admission and Outcomes Among Elderly Patients With Acute Myocardial Infarction. JAMA Internal Medicine 2014, 174: 213-222. PMID: 24296747, DOI: 10.1001/jamainternmed.2013.11944.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionCoronary artery bypass graft surgeryArtery bypass graft surgeryRisk-standardized mortality ratesBypass graft surgeryPercutaneous coronary interventionLength of stayMyocardial infarctionElderly patientsGraft surgeryRevascularization ratesCoronary interventionMortality rateLower risk-standardized mortality ratesRate of catheterizationHospital transfer ratesInvasive cardiac proceduresTransfer of patientsRisk-standardized mortalityHospital outcomesInitial admissionMedian lengthService patientsCardiac proceduresHospital differences
2007
Cardiac Certificate of Need regulations and the availability and use of revascularization services
Ho V, Ross JS, Nallamothu BK, Krumholz HM. Cardiac Certificate of Need regulations and the availability and use of revascularization services. American Heart Journal 2007, 154: 767-775. PMID: 17893007, PMCID: PMC2084214, DOI: 10.1016/j.ahj.2007.06.031.Peer-Reviewed Original Research
2004
Regional variations in racial differences in the treatment of elderly patients hospitalized with acute myocardial infarction
Rathore SS, Masoudi FA, Havranek EP, Krumholz HM. Regional variations in racial differences in the treatment of elderly patients hospitalized with acute myocardial infarction. The American Journal Of Medicine 2004, 117: 811-822. PMID: 15589484, PMCID: PMC2790535, DOI: 10.1016/j.amjmed.2004.06.034.Peer-Reviewed Original ResearchConceptsBeta-blocker useMyocardial infarctionWhite patientsCoronary revascularizationBlack patientsRacial differencesCardiac catheterization useLower crude ratesUse of aspirinDay of admissionHealth care useTreatment of patientsAcute myocardial infarctionService Medicare beneficiariesMedical record dataQuality of careElderly feeRevascularization useAspirin useMultivariable adjustmentElderly patientsCardiac catheterizationCardiac proceduresCare useCrude rate
2001
Sex Differences in Cardiac Catheterization: The Role of Physician Gender
Rathore SS, Chen J, Wang Y, Radford MJ, Vaccarino V, Krumholz HM. Sex Differences in Cardiac Catheterization: The Role of Physician Gender. JAMA 2001, 286: 2849-2856. PMID: 11735761, DOI: 10.1001/jama.286.22.2849.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionCardiac catheterizationMale physiciansFemale physiciansPatient sexPhysician sexCardiac proceduresRetrospective medical record reviewSex differencesUS acute care hospitalsProcedure useCardiac procedure useDay of admissionMedical record reviewCooperative Cardiovascular ProjectAcute care hospitalsCare hospitalMultivariable analysisRecord reviewPotential confoundersMyocardial infarctionPhysician genderCatheterizationMAIN OUTCOMEClinical care
1998
Admission to Hospitals With On-Site Cardiac Catheterization Facilities
Krumholz H, Chen J, Murillo J, Cohen D, Radford M. Admission to Hospitals With On-Site Cardiac Catheterization Facilities. Circulation 1998, 98: 2010-2016. PMID: 9808598, DOI: 10.1161/01.cir.98.19.2010.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAngioplasty, Balloon, CoronaryCardiac Care FacilitiesCardiac CatheterizationCohort StudiesCoronary Artery BypassFemaleHealth Care CostsHospital MortalityHospitalizationHumansLength of StayMaleMedical RecordsPilot ProjectsRetrospective StudiesTime FactorsTreatment OutcomeConceptsSite cardiac catheterization facilitiesCardiac catheterization facilitiesAcute myocardial infarctionCatheterization facilitiesType of hospitalReadmission ratesCardiac proceduresMyocardial infarctionHospital costsMortality rateGood short-term clinical outcomesShort-term clinical outcomesLong-term mortality ratesAdjusted readmission ratesCardiac catheterization ratesBaseline patient characteristicsLong-term mortalityRetrospective cohort studyLower readmission ratesElderly Medicare patientsSignificant differencesCatheterization ratesRevascularization ratesCardiac catheterizationCohort study
1996
Aspirin for secondary prevention after acute myocardial infarction in the elderly: prescribed use and outcomes.
Krumholz HM, Radford MJ, Ellerbeck EF, Hennen J, Meehan TP, Petrillo M, Wang Y, Jencks SF. Aspirin for secondary prevention after acute myocardial infarction in the elderly: prescribed use and outcomes. Annals Of Internal Medicine 1996, 124: 292-8. PMID: 8554223, DOI: 10.7326/0003-4819-124-3-199602010-00002.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionPrescription of aspirinMyocardial infarctionPatient characteristicsPrescribed useMortality rate 6 monthsBetter overall health statusRate 6 monthsBeta-blocker therapyPatients 65 yearsUse of aspirinPatient demographic characteristicsAcute care hospitalsOverall health statusPrescribed aspirinDischarge medicationsElderly patientsHospital dischargeSecondary preventionCare hospitalClinical factorsMedical chartsMultivariable analysisCardiac proceduresTreatment characteristics