2015
Qingdao Port Cardiovascular Health Study: a prospective cohort study
Spatz ES, Jiang X, Lu J, Masoudi FA, Spertus JA, Wang Y, Li X, Downing NS, Nasir K, Du X, Li J, Krumholz HM, Liu X, Jiang L. Qingdao Port Cardiovascular Health Study: a prospective cohort study. BMJ Open 2015, 5: e008403. PMID: 26656011, PMCID: PMC4679897, DOI: 10.1136/bmjopen-2015-008403.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAsian PeopleBody Mass IndexCardiovascular DiseasesChinaCohort StudiesCost of IllnessDiabetes Mellitus, Type 2Early DiagnosisEnvironmental ExposureFemaleHealth BehaviorHealth SurveysHumansHyperlipidemiasHypertensionIncidenceMaleMiddle AgedOccupational ExposurePhysical ExaminationPreventive Health ServicesProspective StudiesRisk FactorsSelf ReportSocioeconomic FactorsWorkplaceConceptsAnnual health assessmentCardiovascular diseaseRisk factorsUnique risk factor profileCardiovascular risk factorsClinical risk factorsProspective cohort studyRisk factor profileHospital medical recordsCardiovascular Health StudyPopulation-based studyPopulation-based strategiesHealth assessmentCardiovascular outcomesCohort studyCarotid ultrasoundMean agePhysical examinationCardiovascular healthHeart diseaseMedical recordsDisease onsetMedical insurance claimsHealth StudyUrine analysis
2001
The case for comprehensive quality indicator reliability assessment
Scinto J, Galusha D, Krumholz H, Meehan T. The case for comprehensive quality indicator reliability assessment. Journal Of Clinical Epidemiology 2001, 54: 1103-1111. PMID: 11675161, DOI: 10.1016/s0895-4356(01)00381-x.Peer-Reviewed Original ResearchConceptsComposite quality indicatorHospital medical recordsProcess of careRecent dischargeKappa valuesPrevalence effectBias-adjusted kappaHospital arrivalAntibiotic administrationMedical recordsOverall eligibilityOxygenation assessmentQuality indicatorsCareKappa statisticsInterrater agreementKappaEligibility
2000
Variations among hospitals in the quality of care for heart failure.
Luthi JC, McClellan WM, Fitzgerald D, Herrin J, Delaney RJ, Krumholz HM, Bratzler DW, Elward K, Cangialose CB, Ballard DJ. Variations among hospitals in the quality of care for heart failure. Effective Clinical Practice : ECP 2000, 3: 69-77. PMID: 10915326.Peer-Reviewed Original ResearchConceptsQuality of careCongestive heart failureLeft ventricular functionHeart failureVentricular functionEnzyme inhibitorsLeft ventricular systolic dysfunctionAngiotensin-converting enzyme inhibitorDaily weight monitoringPercent of patientsVentricular systolic dysfunctionProportion of patientsHospital medical recordsLow sodium dietQuality Improvement ProgramSubstantial hospitalSystolic dysfunctionDischarge medicationsHospital variationDischarge instructionsMedical recordsPractice patternsPatientsTarget doseWeight monitoring
1999
Beta-blocker therapy for secondary prevention of myocardial infarction in elderly diabetic patients
Chen J, Marciniak T, Radford M, Wang Y, Krumholz H. Beta-blocker therapy for secondary prevention of myocardial infarction in elderly diabetic patients. Journal Of The American College Of Cardiology 1999, 34: 1388-1394. PMID: 10551683, DOI: 10.1016/s0735-1097(99)00383-6.Peer-Reviewed Original ResearchConceptsBeta-blocker therapyElderly diabetic patientsAcute myocardial infarctionInsulin-treated diabeticsOne-year mortalityDiabetic patientsDiabetic complicationsMyocardial infarctionNational Cooperative Cardiovascular ProjectSix-month readmission ratesOne-year mortality rateRetrospective cohort studyRisk of readmissionHospital medical recordsCooperative Cardiovascular ProjectCommunity practice settingsElderly diabeticsCohort studyComplication rateReadmission ratesSecondary preventionClinical factorsHospital readmissionRandomized trialsPotential confounders
1998
Use and Effectiveness of Intravenous Heparin Therapy for Treatment of Acute Myocardial Infarction in the Elderly
Krumholz H, Hennen J, Ridker P, Murillo J, Wang Y, Vaccarino V, Ellerbeck E, Radford M. Use and Effectiveness of Intravenous Heparin Therapy for Treatment of Acute Myocardial Infarction in the Elderly. Journal Of The American College Of Cardiology 1998, 31: 973-979. PMID: 9561996, DOI: 10.1016/s0735-1097(98)00022-9.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionIntravenous heparin therapyIntravenous heparinMyocardial infarctionHeparin therapyMortality rateFull-dose intravenous heparinRetrospective cohort studyHospital medical recordsUse of heparinReperfusion strategyCohort studyElderly patientsMedical recordsBaseline differencesObservational studyMedicare beneficiariesInfarctionTherapeutic effectivenessPatientsTreatment factorsHeparinContraindicationsTreatmentTherapy
1995
Aspirin in the treatment of acute myocardial infarction in elderly Medicare beneficiaries. Patterns of use and outcomes.
Krumholz H, Radford M, Ellerbeck E, Hennen J, Meehan T, Petrillo M, Wang Y, Kresowik T, Jencks S. Aspirin in the treatment of acute myocardial infarction in elderly Medicare beneficiaries. Patterns of use and outcomes. Circulation 1995, 92: 2841-7. PMID: 7586250, DOI: 10.1161/01.cir.92.10.2841.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionUse of aspirinDays of hospitalizationElderly patientsMyocardial infarctionMedicare beneficiariesHospital medical recordsElderly Medicare beneficiariesHigh-risk characteristicsPopulation-based sampleDelivery of careQuality of careAspirin therapyMore comorbiditiesAspirin useChest painAbsolute contraindicationHeart failureThrombolytic therapyPotential confoundersMedical recordsSafe treatmentEffective therapyHigh riskLower odds