1997
Validation of a clinical prediction rule for left ventricular ejection fraction after myocardial infarction in patients ≥ 65 years old
Krumholz H, Howes C, Murillo J, Vaccarino L, Radford M, Ellerbeck E. Validation of a clinical prediction rule for left ventricular ejection fraction after myocardial infarction in patients ≥ 65 years old. The American Journal Of Cardiology 1997, 80: 11-15. PMID: 9205012, DOI: 10.1016/s0002-9149(97)00299-3.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCohort StudiesConnecticutEchocardiographyElectrocardiographyFemaleHumansMaleMedicareMultivariate AnalysisMyocardial InfarctionPilot ProjectsPredictive Value of TestsRetrospective StudiesRisk FactorsStroke VolumeTreatment OutcomeUnited StatesVentricular Function, LeftConceptsLeft ventricular ejection fractionAcute myocardial infarctionClinical prediction ruleVentricular ejection fractionPositive predictive valuePrediction ruleElderly patientsEjection fractionMyocardial infarctionExclusion criteriaPredictive valueEligible elderly patientsRetrospective chart reviewConnecticut cohortChest painBypass surgeryChart reviewDiabetes mellitusMedicare patientsPatientsPilot studyMultivariate modelInfarctionElectrocardiogram interpretationOriginal studyThrombolytic Therapy for Eligible Elderly Patients With Acute Myocardial Infarction
Krumholz HM, Murillo JE, Chen J, Vaccarino V, Radford MJ, Ellerbeck EF, Wang Y. Thrombolytic Therapy for Eligible Elderly Patients With Acute Myocardial Infarction. JAMA 1997, 277: 1683-1688. PMID: 9169894, DOI: 10.1001/jama.1997.03540450039032.Peer-Reviewed Original ResearchConceptsST-segment elevationAcute myocardial infarctionThrombolytic therapyBundle branch blockMyocardial infarctionChest painElderly patientsMental statusBranch blockTotal ST-segment elevationEligible elderly patientsThrombolytic therapy useRetrospective cohort studyHours of symptomsOnset of symptomsPopulation-based sampleLack of treatmentDirect angioplastyEligible patientsAbsolute contraindicationBypass surgeryCohort studyMedical chartsTherapy useContiguous leads
1994
Relationship of Age with Eligibility for Thrombolytic Therapy and Mortality Among Patients with Suspected Acute Myocardial Infarction
Krumholz H, Friesinger G, Cook E, Lee T, Rouan G, Goldman L. Relationship of Age with Eligibility for Thrombolytic Therapy and Mortality Among Patients with Suspected Acute Myocardial Infarction. Journal Of The American Geriatrics Society 1994, 42: 127-131. PMID: 8126322, DOI: 10.1111/j.1532-5415.1994.tb04938.x.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionEmergency departmentMyocardial infarctionThrombolytic therapyElderly patientsRelationship of agePain studiesEligible elderly patientsLateral chest painOnset of painPercentage of patientsProspective cohort studyFrequency of patientsPathologic Q wavesST-segment elevationMyocardial infarction patientsInvestigation of patientsCurrent eligibility criteriaChest painCohort studyAcute infarctionChief complaintLocal traumaInfarction patientsUniversity Hospital