2004
Predictors of cardiologist care for older patients hospitalized for heart failure
Foody JM, Rathore SS, Wang Y, Herrin J, Masoudi FA, Havranek EP, Radford MJ, Krumholz HM. Predictors of cardiologist care for older patients hospitalized for heart failure. American Heart Journal 2004, 147: 66-73. PMID: 14691421, DOI: 10.1016/j.ahj.2003.07.005.Peer-Reviewed Original ResearchConceptsHeart failureSpecialty careOlder patientsMultivariable hierarchical logistic regression modelsCoronary Artery Bypass GraftingChronic obstructive pulmonary diseasePercutaneous transluminal coronary angioplastyArtery Bypass GraftingHeart failure careObstructive pulmonary diseaseTransluminal coronary angioplastyHierarchical logistic regression modelsLogistic regression modelsCardiologist careBypass GraftingHospital factorsPatient characteristicsCardiology consultCoronary angioplastyCoronary diseasePulmonary diseaseClinical presentationCardiology carePatient raceMedicare patients
2003
National and State Trends in Quality of Care for Acute Myocardial Infarction Between 1994-1995 and 1998-1999: The Medicare Health Care Quality Improvement Program
Burwen DR, Galusha DH, Lewis JM, Bedinger MR, Radford MJ, Krumholz HM, Foody JM. National and State Trends in Quality of Care for Acute Myocardial Infarction Between 1994-1995 and 1998-1999: The Medicare Health Care Quality Improvement Program. JAMA Internal Medicine 2003, 163: 1430-1439. PMID: 12824092, DOI: 10.1001/archinte.163.12.1430.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAgedAged, 80 and overAngioplasty, Balloon, CoronaryAngiotensin-Converting Enzyme InhibitorsAspirinFemaleHealth Care SurveysHumansMaleMedicareMiddle AgedMyocardial InfarctionPlatelet Aggregation InhibitorsQuality Indicators, Health CareQuality of Health CareSmoking CessationThrombolytic TherapyTime FactorsUnited StatesConceptsAcute myocardial infarctionQuality of careHospital arrivalEarly administrationMedian timeMyocardial infarctionPrimary percutaneous transluminal coronary angioplastyHealth Care Quality Improvement ProgramPercutaneous transluminal coronary angioplastyAcute reperfusion therapyBeta-blocker prescriptionEnzyme inhibitor prescriptionTransluminal coronary angioplastyGuideline-recommended processesQuality Improvement ProgramPopulation-based improvementsCessation counselingReperfusion therapySystolic dysfunctionInhibitor prescriptionCoronary angioplastyThrombolytic therapyMedicare patientsTherapyTime points
2002
Cardiogenic shock complicating acute myocardial infarction in elderly patients: Does admission to a tertiary center improve survival?
Berger AK, Radford MJ, Krumholz HM. Cardiogenic shock complicating acute myocardial infarction in elderly patients: Does admission to a tertiary center improve survival? American Heart Journal 2002, 143: 768-776. PMID: 12040336, DOI: 10.1067/mhj.2002.122289.Peer-Reviewed Original ResearchConceptsAcute myocardial infarctionCardiogenic shockMyocardial infarctionRevascularization servicesCoronary revascularizationPrognosis of patientsCommunity-based cohortCooperative Cardiovascular Project databaseCardiovascular resourcesEarly revascularizationIndex hospitalizationClinical characteristicsElderly patientsCoronary angioplastyTertiary centerBetter prognosisRevascularization capabilityInvasive strategyClinical trialsTreatment strategiesSurgery facilitiesInfarctionPatientsHospitalEarly benefits
2000
Are β-Blockers Effective in Elderly Patients Who Undergo Coronary Revascularization After Acute Myocardial Infarction?
Chen J, Radford MJ, Wang Y, Marciniak TA, Krumholz HM. Are β-Blockers Effective in Elderly Patients Who Undergo Coronary Revascularization After Acute Myocardial Infarction? JAMA Internal Medicine 2000, 160: 947-952. PMID: 10761959, DOI: 10.1001/archinte.160.7.947.Peer-Reviewed Original ResearchConceptsCoronary artery bypass surgeryPercutaneous transluminal coronary angioplastyBeta-blocker therapyAcute myocardial infarctionNonrevascularized groupCoronary revascularizationElderly patientsMyocardial infarctionNon-revascularized groupArtery bypass surgeryTransluminal coronary angioplastyClinical practice guidelinesCooperative Cardiovascular ProjectRandomized clinical trialsAmerican Heart AssociationBypass surgerySuccessful revascularizationClinical factorsCoronary angioplastyHeart AssociationPotential confoundersClinical trialsPractice guidelinesRevascularizationAmerican CollegeMental Disorders and Use of Cardiovascular Procedures After Myocardial Infarction
Druss BG, Bradford DW, Rosenheck RA, Radford MJ, Krumholz HM. Mental Disorders and Use of Cardiovascular Procedures After Myocardial Infarction. JAMA 2000, 283: 506-511. PMID: 10659877, DOI: 10.1001/jama.283.4.506.Peer-Reviewed Original ResearchMeSH KeywordsAgedAngioplasty, Balloon, CoronaryCardiac CatheterizationCohort StudiesComorbidityCoronary Artery BypassFemaleHumansLogistic ModelsMaleMental DisordersMultivariate AnalysisMyocardial InfarctionOutcome Assessment, Health CareRetrospective StudiesSocioeconomic FactorsSurvival AnalysisUnited StatesConceptsPercutaneous transluminal coronary angioplastyComorbid mental disordersAcute myocardial infarctionCardiac catheterizationMyocardial infarctionMental disordersProvider factorsCardiovascular proceduresRates of PTCACoronary artery bypass graft surgeryArtery bypass graft surgeryBypass graft surgeryPatients 65 yearsRetrospective cohort studyTransluminal coronary angioplastyLong-term outcomesCooperative Cardiovascular ProjectCoronary revascularization proceduresSex-based differencesGraft surgeryIndex hospitalizationCohort studyCoronary angioplastyMedical chartsRevascularization procedures
1999
Do “America's Best Hospitals” Perform Better for Acute Myocardial Infarction?
Chen J, Radford M, Wang Y, Marciniak T, Krumholz H. Do “America's Best Hospitals” Perform Better for Acute Myocardial Infarction? New England Journal Of Medicine 1999, 340: 286-292. PMID: 9920954, DOI: 10.1056/nejm199901283400407.Peer-Reviewed Original ResearchMeSH KeywordsAdrenergic beta-AntagonistsAgedAngioplasty, Balloon, CoronaryAspirinFemaleHealth Care SurveysHospitalsHumansLogistic ModelsMaleMedicareMultivariate AnalysisMyocardial InfarctionOutcome and Process Assessment, Health CareQuality of Health CareSeverity of Illness IndexThrombolytic TherapyUnited StatesConceptsAcute myocardial infarctionShort-term mortalityMyocardial infarctionAmerica's Best HospitalsBest HospitalsSurvival advantageLower short-term mortalityBeta-blocker therapyRates of therapyHigh rateOutcomes of patientsUse of aspirinCooperative Cardiovascular ProjectElderly Medicare beneficiariesType of hospitalQuality of hospitalsReperfusion therapyElderly patientsRate of useBypass surgeryCardiac catheterizationCoronary angioplastyMedicare beneficiariesInfarctionAspirin
1998
Trends in costs of percutaneous transluminal coronary angioplasty.
Heiat A, Mattera JA, Henry GA, Chen YT, Krumholz HM. Trends in costs of percutaneous transluminal coronary angioplasty. The American Journal Of Managed Care 1998, 4: 1667-74. PMID: 10339099.Peer-Reviewed Original ResearchConceptsPercutaneous transluminal coronary angioplastyTransluminal coronary angioplastyCoronary angioplastyClinical outcomesElective percutaneous transluminal coronary angioplastyYale-New Haven HospitalCatheterization laboratory costsMedical chart reviewGroup of patientsTotal hospital costsLength of stayHospital cost accounting systemChart reviewClinical characteristicsConsecutive patientsAngiographic featuresHospital recordsContrast volumeRetrospective studyPatient populationHospital costsLesion characteristicsStent useCatheterization laboratoryPatient profiles
1997
Health after coronary stenting or balloon angioplasty: Results from the Stent Restenosis Study
Krumholz H, Cohen D, Williams C, Baim D, Brinker J, Cabin H, Heuser R, Hirshfeld J, Leon M, Moses J, Savage M, Cleman M. Health after coronary stenting or balloon angioplasty: Results from the Stent Restenosis Study. American Heart Journal 1997, 134: 337-344. PMID: 9327686, DOI: 10.1016/s0002-8703(97)70065-6.Peer-Reviewed Original ResearchConceptsStent Restenosis StudyCoronary stentingBalloon angioplastyRestenosis StudyDuke Activity Status IndexPalmaz-Schatz coronary stentingCanadian Cardiovascular Society classificationPalmaz-Schatz coronary stent implantationPercutaneous transluminal coronary angioplastyU.S. clinical sitesLong-term HRQoLForm Health SurveyHealth-related qualityMedical Outcomes StudyTransluminal coronary angioplastyCoronary stent implantationConventional balloon angioplastyDisease-specific measuresAngiographic restenosisConventional angioplastyIschemic eventsBodily painConsecutive patientsCoronary angioplastyCardiovascular perspectiveDifferences in physician compensation for cardiovascular services by age, sex, and race.
Krumholz HM, Fendrick AM, Williams C, Hynes WM. Differences in physician compensation for cardiovascular services by age, sex, and race. The American Journal Of Managed Care 1997, 3: 557-63. PMID: 10169524.Peer-Reviewed Original ResearchConceptsConsecutive patientsCoronary angioplastyCardiovascular servicesPercutaneous transluminal coronary angioplastyPatients 75 yearsTransluminal coronary angioplastyPercutaneous coronary angioplastyPatients 40Patients 65Patient characteristicsPatient groupInsurance statusCardiology practicePhysiciansStress testingAngioplastySignificant differencesPatientsLower ratesSimilar differencesPhysician compensationAgeSexYearsDifferences
1996
Changes in health after elective percutaneous coronary revascularization. A comparison of generic and specific measures.
Krumholz HM, McHorney CA, Clark L, Levesque M, Baim DS, Goldman L. Changes in health after elective percutaneous coronary revascularization. A comparison of generic and specific measures. Medical Care 1996, 34: 754-9. PMID: 8709657, DOI: 10.1097/00005650-199608000-00003.Peer-Reviewed Original ResearchMeSH KeywordsActivities of Daily LivingAgedAngioplasty, Balloon, CoronaryBostonElective Surgical ProceduresFemaleHealth StatusHealth SurveysHumansMaleMental HealthMiddle AgedOutcome Assessment, Health CareProspective StudiesQuality of LifeReproducibility of ResultsSick RoleSurveys and QuestionnairesTime FactorsConceptsElective percutaneous coronary revascularizationCanadian Cardiovascular Society classificationPercutaneous coronary revascularizationHealth-related qualityCoronary revascularizationSpecific Activity ScaleRole limitationsElective percutaneous transluminal coronary angioplastyPercutaneous transluminal coronary angioplastyForm Health SurveyMedical Outcomes StudyTransluminal coronary angioplastyGeneral health perceptionRole physical scaleSF-36 Role Physical scaleSF-36 physical functioning scaleSF-36 measuresPhysical functioning scaleGeneral mental healthPhysical health problemsEmotional health problemsSymptomatic patientsCoronary angioplastyPhysical functioningSociety classification